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Why Epoxy Coating Selection Matters Epoxy coatings are among the most widely used protective and functional surface treatments in industry. They protect metals from corrosion, provide electrical insulation, serve as adhesive layers in composite manufacturing, and form the basis of flooring, pipeline linings, and structural adhesives. However, epoxy coating failures — delamination, blistering, cracking, UV...
Selecting the appropriate materials for downhole tubing and casing in offshore production wells is crucial to ensure the long-term reliability and integrity of the wellbore. Offshore wells present unique challenges due to harsh environments, high pressures, and corrosive fluids. The selection process involves considering factors such as mechanical properties, corrosion resistance, temperature resistance, and cost-effectiveness....
In the demanding environments of oil and gas production — high-pressure wellbores containing CO₂, H₂S, chloride-laden brines, and elemental sulfur — the selection of tubing and casing materials is a safety-critical engineering decision. 13Cr-type stainless steels are among the most widely used alloys for Oil Country Tubular Goods (OCTG) in these environments, offering a favorable...
What Is Leak Testing? Leak testing is the process of evaluating the integrity of a sealed system, component, or product by detecting and measuring the escape (or ingress) of fluid, gas or liquid through defects such as cracks, pinholes, porosity, improper seals, or loose connections. It is one of the most critical non-destructive examination (NDE)...
Corrosion is one of the most costly and pervasive material degradation mechanisms, causing billions of dollars in infrastructure damage annually across the oil and gas, construction, automotive, aerospace, marine, and chemical processing industries. Corrosion testing evaluates material resistance to environmental degradation, validates protective measures, and predicts service life—enabling engineers to make informed material selection and...
What Is Top-of-Line Corrosion? Top-of-Line Corrosion (TLC) is a form of internal pipeline corrosion that occurs at the top of partially filled, inclined, or horizontal pipelines transporting wet hydrocarbon gases. It is a particularly aggressive and challenging corrosion mechanism because it occurs in the vapour phase at the pipe crown — where cooling of the...
What Is Pre-Startup Corrosion Prevention? Pre-startup corrosion prevention encompasses the chemical and physical treatments applied to metallic piping systems, pressure vessels, heat exchangers, and storage tanks during construction, commissioning, and pre-commissioning phases — before the system enters normal service. During construction, metallic equipment surfaces are exposed to moisture, oxygen, mill scale, weld deposits, and construction...
Introduction The 13Cr steels are broadly categorized as martensitic stainless steels; however, these exhibit excellent mechanical properties, corrosion resistance, and economical cost. With an average content of about 13% Cr, these stainless grades present moderate corrosion resistance and strength. The 13Cr grades find considerable application in the oil and gas industry. These mainly operate under...
Flexible pipes are engineered multi-layer composite structures used in offshore oil and gas production to transport hydrocarbons, water, and chemicals between subsea equipment and floating production platforms. Their ability to accommodate dynamic movement, thermal expansion, and installation loads makes them indispensable for deepwater operations. Rigorous material testing and qualification ensure that flexible pipes maintain integrity...
The critical process of coating analysis is used to examine and assess the effectiveness, integrity, and quality of various coatings applied to diverse surfaces. Coatings are used to improve the look and performance of substrates as well as to protect them from corrosion, wear, abrasion, and other environmental conditions. Examining Coatings Surface protection layers keep...
Discoloration analysis is a crucial process used to identify and understand the causes of color changes in various materials, surfaces, or products. Discoloration can occur due to a wide range of factors, including chemical reactions, exposure to environmental conditions, heat, light, and aging. Materials discoloration Several checks and balances are built into today’s production methods...
What Is Delamination? Delamination is the separation of bonded layers within a laminated composite, coated substrate, or adhesively bonded assembly — occurring along the interface between plies, between coating and substrate, or within the adhesive bond line. It is one of the most prevalent and damaging failure modes in composite structures, coated products, and bonded...
Glass has evolved into a genuine high-tech product during the past few decades. Spectacle lenses for the general public are very basic in comparison to doped lenses used in optoelectronics or coated special lenses used in the solar power industry. Many glass qualities are very malleable because of the abundance of additives. Materials, Pollutants, and...
The Science of Polymer Adhesive Failure Analysis Polymer adhesive failure analysis is the systematic investigation of bonded polymer systems that have failed to perform as designed. It combines fracture mechanics, surface chemistry, microscopy, and spectroscopy to identify whether failure originated at the adhesive-substrate interface, within the adhesive, at the substrate, or through a combination of...
Silicon-based polysiloxane, generally known as silicone or silicone oil, is a synthetic polymer. Its exceptional physical and chemical qualities and a broad range of possible applications mean it is ubiquitous in modern life. Polysiloxane, for instance, is used as a component in hand creams, body lotions, shampoos, and soaps to give the skin or hair...
Cleaning up debris and dust from manufactured components is the focus of film pollution analysis. Contaminant films can obstruct adhesion and coating procedures because they are produced by byproducts and operational aids. For analysis, methods like SEM/EDX, FTIR, and ToF-SIMS are employed. Analyzing contaminated film is demonstrated in a case study. In many fields of...
What Is Cleanliness Analysis? Cleanliness analysis in the coatings and surface preparation context refers to the systematic evaluation and verification of substrate surface condition before the application of protective coatings, adhesives, or sealants. It encompasses the detection and quantification of surface contaminants — oil, grease, rust, scale, dust, soluble salts, and moisture — that adversely...
What Are Inorganic Multilayer Systems? Inorganic multilayer systems are engineered thin film structures consisting of multiple layers of inorganic materials—metals, semiconductors, dielectrics, or combinations—deposited sequentially on a substrate to create a material stack with properties that cannot be achieved by any single layer alone. The individual layers may be just a few atomic layers (angstroms)...
What Is Bond Pad Analysis? Bond pad analysis is the systematic characterization of the metallic contact pads on semiconductor die — the interface between the silicon chip and its external connections through wire bonds, flip-chip bumps, or probe contacts. Bond pads are the final electrical connection point before the chip is enclosed in its package,...
The oxidation state, or oxidation number, is a key concept in chemistry which defines the charge of an atom in a molecule or ion. Understanding the oxidation state is essential for comprehending chemical reactions, bonding, and the characteristics of elements in different compounds. An element’s oxidation state offers important information about its reactivity and properties....
Modern manufacturing techniques and extensive safety protocols can reduce the likelihood of contamination, but production-related contamination and surface contamination are nonetheless commonplace. Coatings, adhesives, and joining procedures all benefit from clean surfaces, whether they’re applied to metal, plastic, glass, or ceramic substrates. In many fields of manufacturing, parts must be free of dirt and dust....
Why Additive Analysis in Coatings Matters Modern coating formulations are complex chemical systems comprising film-forming resins, crosslinkers, pigments, solvents, and a wide array of functional additives — wetting agents, defoamers, thickeners, UV stabilizers, corrosion inhibitors, biocides, adhesion promoters, and slip agents. Each additive serves a specific function, and its presence, concentration, and chemical integrity directly...
What Is Blooming? Blooming is a surface defect phenomenon in which dissolved substances (typically low-molecular-weight additives, waxes, or migration-prone components) migrate from the bulk of a material to its surface and crystallise or deposit as a visible haze, film, or powder layer. The term is derived from the waxy, cloudy, bloom-like appearance that forms on...
What Are OLEDs and Why Do Biological Films Matter? Organic Light Emitting Diodes (OLEDs) are electroluminescent devices in which thin organic semiconductor films emit light when an electrical current is passed through them. OLED technology has become the display standard for premium smartphones, OLED TVs, automotive instrument clusters, and wearable devices — offering unmatched contrast...
What Are Paint Craters? Paint craters — also called fisheyes, silicone contamination craters, or cratering defects — are small, circular depressions or pits in a freshly applied or cured paint film that resemble tiny volcanic craters. They range in diameter from fractions of a millimetre to several millimetres and typically have a centre hole or...
What Is Fouling? Fouling is the unwanted accumulation of contaminants, deposits, biological organisms, or degradation products on the surface of a material, reducing its functional performance, increasing operational costs, or creating safety and regulatory concerns. In the context of polymers, plastics, and industrial surfaces, fouling occurs in heat exchangers, membrane filtration systems, marine structures, medical...
Introduction to Fuel Cell Polymer Contamination Proton Exchange Membrane (PEM) fuel cells are electrochemical devices that generate electricity from hydrogen and oxygen, with water as the only by-product. The performance and durability of PEM fuel cells depend critically on the chemical integrity of the polymer electrolyte membrane (typically Nafion — a sulfonated tetrafluoroethylene copolymer) and...
In today’s world, nanoparticles are necessary and can be found in cosmetics, antibacterial plasters, packaging, and pharmaceuticals. XPS is used to examine and compare the chemical makeup of insulin-loaded nanoparticles intended for oral intake, assuring good encapsulation. Nanoparticles are everywhere now; they’ve quickly become an essential component of modern life. Cosmetics may contain nanoparticles of...
Corrosion is one of the most pervasive and costly material degradation processes affecting infrastructure, manufacturing, and product reliability worldwide. The electrochemical deterioration of metals, alloys, coatings, and polymers costs industries billions of dollars annually in equipment replacement, maintenance, and downtime. Corrosion analysis provides the scientific framework for identifying, classifying, and mitigating these failures across the...
Semiconductor analysis encompasses the comprehensive set of testing and characterisation techniques used to evaluate the electrical, physical, chemical, and structural properties of semiconductor materials and devices. As electronic devices become smaller, faster, and more complex, the demand for precise semiconductor analysis has grown exponentially across the electronics, automotive, aerospace, medical devices, and telecommunications industries. For...
Why Screws Fail: Primary Failure Modes Screw failures can be grouped into several primary categories, each with characteristic physical evidence that guides the analytical investigation: Fatigue Fracture Fatigue is the most common cause of screw fracture in service. Repeated cyclic loading — from vibration, thermal cycling, or fluctuating mechanical loads — initiates a crack at...
Wire ropes are critical load-bearing components in some of the most demanding engineering applications on earth — cranes, elevators, suspension bridges, offshore platforms, mining hoists, and aerial lifts. When wire rope fails, the consequences are severe: equipment loss, production downtime, and potentially catastrophic safety incidents. Understanding why wire rope fails — and preventing recurrence —...
Understanding Failure Analysis and Its Importance Failure analysis is the structured technical investigation of why a product, component, material, or system failed to perform its intended function. It combines physical examination, non-destructive evaluation, mechanical testing, chemical analysis, and fractographic investigation to identify the root cause of failure — providing the actionable information needed to prevent...
Stainless Steel Corrosion Resistance Stainless steel is known for its corrosion resistance due to its unique protective layer, a thin layer of chromium oxide that forms when exposed to oxygen. This layer, called a “passive layer” or “passive film,” is highly stable and adheres tightly to the metal. If damaged or scratched, it can self-repair...
Corrosion is the electrochemical degradation of metals in their environment, causing billions of dollars in infrastructure damage, equipment failure, and safety hazards annually. Understanding the specific corrosion mechanisms that attack metals in service is essential for material selection, protective system design, and maintenance planning across the oil and gas, marine, construction, automotive, aerospace, and chemical...
Because of its distinctive blend of qualities, stainless steel is a versatile and well-liked material that is used in many different sectors and commonplace applications. It is a particular kind of alloy with distinguishing stainless or corrosion-resistant properties due to its minimum 10.5% chromium content. Stainless Steel’s Primary Characteristics Corrosion Resistance: Even in hostile settings,...
Hardness is a fundamental mechanical property of metals that describes resistance to permanent surface deformation—indentation, scratching, or abrasion. Hardness correlates with tensile strength, wear resistance, and machinability, making it one of the most frequently tested properties in metallurgical quality control, heat treatment verification, and incoming material inspection. For manufacturers seeking metal hardness testing at a...
What Is Annealing? Annealing is a heat treatment process that involves heating a metallic material to a defined temperature, holding it for a sufficient time to achieve thermal equilibration and desired microstructural changes, and then cooling it — typically slowly — to produce a specific combination of mechanical properties, microstructure, and residual stress state. The...
Metals engineering integrates material science, mechanical design, and manufacturing process knowledge to create components that meet demanding performance, cost, and reliability requirements. From initial alloy selection through prototype testing and production validation, metals engineering decisions directly impact product safety, weight, durability, and manufacturing efficiency across the automotive, aerospace, construction, oil and gas, and medical devices...
Corrosion — the electrochemical degradation of metals in reactive environments — manifests in dozens of morphologically and mechanistically distinct forms, each with characteristic visual features, preferential locations, and underlying chemical driving forces. Effective corrosion management begins with accurate corrosion analysis and observation — the systematic characterization of corrosion type, extent, and mechanism that provides the...
Why Shaft Failure Analysis Is Critical Rotating shafts are the backbone of power transmission in industrial equipment — motors, pumps, compressors, gearboxes, fans, turbines, and conveyors all rely on shafts to transmit torque and motion. When a shaft fails, the consequences extend far beyond the cost of the shaft itself: unplanned downtime, emergency maintenance labor,...
Why PVC Pipe Failure Analysis Matters PVC pipe systems are the backbone of water distribution, drainage, waste management, electrical conduit, and irrigation infrastructure worldwide. Despite the material’s excellent track record, PVC pipes do fail — through cracking, splitting, deformation, joint leakage, or chemical degradation — and when they do, the consequences range from service disruption...
What Is Pump Failure Analysis? Pump failure analysis is a systematic, multi-disciplinary investigation process used to determine the root cause of a pump malfunction, degradation, or catastrophic failure. It combines visual inspection, non-destructive testing, material analysis, mechanical testing, and operational history review to identify the specific mechanisms — and their underlying causes — that led...
Pipe failure analysis involves a step-by-step approach that focuses on the unique aspects of pipe systems. This includes collecting data about the pipe, its installation, service history, operating conditions, material of construction, and any unusual incidents or changes in service conditions. A visual examination is used to inspect the failed pipe for visible signs of...
Materials engineering plays a pivotal role in manufacturing cost reduction by identifying opportunities to substitute less expensive materials, optimize material utilization, reduce processing costs, and eliminate over-specification without compromising product performance or safety. Systematic material testing and characterization validate that cost-reduction changes maintain required performance levels. For companies seeking materials engineering and testing support at...
Rigidity is a fundamental attribute in mechanical engineering that describes a material’s or structure’s capacity to resist deformation under applied loads. Torsional stiffness and lateral rigidity are two fundamental rigidity types, both crucial in many applications. Understanding the distinctions between these two categories is crucial for building and analysing different mechanical systems. In previous articles,...
What Is Shaft Diameter Determination Under Axial Load? Shaft diameter determination under axial load is a mechanical measurement and analysis process used to characterize how a shaft or cylindrical component’s cross-sectional dimensions change under axial compressive or tensile forces. When an axial load is applied to a shaft, Poisson’s ratio is the transverse (radial) dimensional...
In mechanical engineering, shaft design is one of the most fundamental and frequently encountered structural challenges. Power transmission shafts in engines, gearboxes, turbines, propulsion systems, and precision machinery must transmit torque reliably while meeting weight, stiffness, fatigue life, and material efficiency requirements. The choice between a hollow shaft and a solid shaft — while seemingly...
We talked about various keys for shafts in the last post. In this article, we’ll talk about the various forces that can act on keys as well as the design of keys for shafts. Several forces affecting the Keys We need to first understand the many forces that are affecting the keys. When a key...
What Is an Optical Square? An optical square is a precision optical instrument used in metrology to deflect a laser beam, collimated light beam, or line of sight by exactly 90° — enabling alignment measurement, machine tool squareness verification, and structural plumb/level inspection with sub-arcsecond angular accuracy. It is a fundamental reference tool in precision...
Failure analysis experts are highly skilled professionals who investigate and determine the root causes of failures in various materials, components, products, and structures. These experts play a crucial role in identifying the reasons behind failures, whether they occur in mechanical systems, electrical components, industrial equipment, or infrastructure. Infinita Lab is a state-of-the-art failure analysis facility...
Spring failure analysis is a methodical procedure to ascertain the cause of a spring’s failure, be it a coil spring, leaf spring, torsion spring, or any other form. Understanding the causes of failure aids in preventing it in the future. A spring failure analysis is essential in various industries, as it helps engineers identify the...
Weld failure analysis is a procedure used to ascertain the cause of a failed weld and how to avoid repeat failures. In many different industries, including construction, automotive, shipbuilding, and oil and gas, weld failures can have major repercussions, including safety hazards and financial losses. The preliminary investigation involves gathering information about the weld, including...
What Is a Phase Diagram? A phase diagram is a graphical representation of the equilibrium states of a material system — showing which phases (solid, liquid, gas; or specific crystal structures, compounds) are stable as functions of thermodynamic variables, most commonly temperature and composition (for binary alloy systems) or temperature and pressure (for single-component systems)....
Aluminium alloys are among the most widely used engineering materials across the aerospace, automotive, construction, electronics, and packaging industries. Classified into distinct families based on their primary alloying elements, aluminium alloys offer an exceptional combination of light weight, corrosion resistance, thermal conductivity, and mechanical strength. Understanding the metallurgy behind each alloy family is essential for...
Atomic Layer Deposition (ALD) is a precise thin-film deposition technique that allows for the controlled growth of atomic layers, offering uniformity and accuracy in various applications, especially in semiconductor manufacturing. Title: Atomic Layer Deposition (ALD) Diffusion barrier layers in semiconductor devices are currently measured in nanometers, but Moore’s law predicts that this will soon change...
The mass of a sample or body divided by its volume defines density. For solids, this value is frequently expressed in kg per m3 or g per cm, while for fluids at a specific temperature, it is expressed in g per mL. Specific gravity is an alternative, which is a dimensionless ratio between the densities...
The zeta potential describes the electrokinetic potential of colloidal dispersions composed of liquids or solids. When subjected to an electric field, charged particles will demonstrate specific electrokinetic effects such as electrophoresis, electroosmosis, streaming potential, or sedimentation potential. Zeta potential is assessed at Infinita Lab using either a Litesizer 500 (Anton Paar) system or a Zetasizer...
Differential Scanning Calorimetry (DSC) is one of the most powerful and versatile techniques in thermal analysis. By measuring the heat flow associated with thermal transitions in a material as a function of temperature, DSC provides precise, quantitative information about melting, crystallisation, glass transition, curing, and thermal stability — all from a single small sample. For...
Introduction Thermogravimetric analysis is a thermal analytical technique that can comment on the material’s behavior when it undergoes thermal stress. This technique measures mass for a sample under various temperatures and is also helpful in identifying the composition, thermal stability, and decomposition kinetics of materials. Scope The scope of TGA varies from general scientific investigation...
Why SEM Matters for Engineers SEM provides depth of focus and high magnification — up to 60,000× for secondary electron images and 30,000× for backscattered electron images — delivering precise images of sample surfaces with levels of detail impossible to achieve with optical instruments. Importantly, SEM supports a range of sample sizes without necessarily requiring...
The physical characteristics of the material as well as the particular processing circumstances in the handling system have a direct impact on a powder’s ability to flow. A “single number” used to depict the movement of a powder may not be practical or may not provide enough information for such a complicated system. Physical characteristics...
EDS or EDX uses an electron beam and X-ray detector to determine the elemental composition of a sample. It is appropriate for metals, ceramics, and other materials, analyses sample material for a variety of reasons, and necessitates sample drying. For eligibility and benefits, contact Infinita Lab. Atoms in a sample are stimulated by an electron...
Mrphologically directed Raman spectroscopy (MDRS), which combines Raman spectroscopy with automatic static image processing, offers chemical specificity and particle identification. It uses the Malvern Morphologi 4-ID device for in-depth analysis and is used to determine chemical forms, pollutants, and particle morphology in a variety of materials. Read more: What is Raman Spectroscopy? Raman spectroscopy offers...
What Is Mercury Intrusion Porosimetry? Mercury Intrusion Porosimetry (MIP) is a characterization technique that determines the pore size distribution, total pore volume, and pore connectivity of porous materials by incrementally forcing mercury under pressure into the pore network of a dried sample. Because mercury is a non-wetting liquid with respect to most materials, it does...
What Are Mesopores? According to IUPAC nomenclature, pores are classified by diameter: Micropores: < 2 nm Mesopores: 2–50 nm Macropores: > 50 nm Mesopores—in the range of 2 to 50 nanometers—are critically important in determining the adsorption capacity, diffusion rate, and reactivity of porous materials used as catalysts, adsorbents, drug delivery vehicles, energy storage materials,...
Nanoporous materials are essential in regulated pharmaceutical administration, energy conversion, and other uses. Analysing their pore size, surface area, and distribution is crucial to choosing and enhancing their performance in areas like catalyst design and reaction selectivity. Gases like N2, Ar, and CO2 that physically absorb energy are used to describe micropores and mesopores. Specialised...
The ability of a molten polymer to flow through a narrow channel under controlled conditions of temperature and pressure is one of the most practically significant — and often misunderstood — properties in materials characterisation. Capillary flow pyrometry, also known as capillary rheometry, provides precise, quantitative data on melt flow behaviour across shear rates that...
Introduction The Brunauer-Emmett-Teller (BET) specific surface area is used to measure the surface area of solids and powders. It’s a widely recognized method in many industries, including pharmaceuticals, environmental, and automotive. This analysis is a multi-point evaluation of an analyte’s specific surface area (m2/g) using gas adsorption analysis, in which an inert gas, such as...
Water activity (Aw) is the dimensionless difference between the sample water’s vapour pressure (P) and the pure water’s vapour pressure (P0) at the same temperature. The water’s thermodynamic energy condition in the system is indicated by the water activity level, which varies from 0 to 1.00. This value can alternatively be determined using the equilibrium...
Introduction to Dynamic Vapor Sorption Dynamic Vapor Sorption (DVS) is a gravimetric analytical technique that measures the mass of a material as it absorbs and desorbs water vapor or other volatile solvents at precisely controlled relative humidity or partial pressure levels. By monitoring the real-time mass change of a small specimen — typically in the...
What Is Chemisorption? Chemisorption is the process by which gas molecules adsorb onto a solid surface through the formation of chemical bonds — typically covalent or ionic bonds with surface atoms. Unlike physisorption (physical adsorption driven by weak van der Waals forces), chemisorption involves electron transfer or sharing between the adsorbate molecule and the surface,...
What Is Air Permeability? Air permeability is the measure of how easily air passes through a porous material — fabric, paper, membrane, filter, or geotextile — under a defined pressure differential. It quantifies the resistance of the material’s pore structure to airflow, characterising its breathability, filtration efficiency, acoustic performance, and fluid handling behaviour. Air permeability...
What Is Sieve Analysis? Sieve analysis is a particle size distribution test performed by passing a granular material through a series of progressively finer mesh sieves. Each sieve retains particles larger than its aperture size, and the mass retained on each sieve is recorded as a percentage of the total sample mass. The result is...
What Is Image Analysis in Material Science? Image analysis in material science refers to the use of digital imaging tools, software algorithms, and microscopy techniques to extract quantitative and qualitative information from images of material microstructures and surfaces. Rather than relying on visual interpretation alone, image analysis translates microscopy data into measurable parameters—grain size, porosity,...
Introduction to Nanoparticle Tracking Analysis Nanoparticle Tracking Analysis (NTA) is a direct, real-time analytical technique for measuring the size distribution and number concentration of nanoparticles in liquid suspension by tracking the Brownian motion of individual particles under a microscope. Unlike ensemble techniques (DLS, laser diffraction) that average the behaviour of millions of particles simultaneously, NTA...
What Is Dynamic Light Scattering? Dynamic Light Scattering (DLS) — also known as Photon Correlation Spectroscopy (PCS) or Quasi-Elastic Light Scattering (QELS) — is a non-invasive analytical technique that measures the size and size distribution of particles and macromolecules in solution or suspension by analysing the temporal fluctuations in scattered laser light intensity caused by...
Introduction to the Electric Sensing Zone Method The Electric Sensing Zone (ESZ) method — also known as the Coulter principle or electrozone sensing — is a particle counting and sizing technique that detects individual particles suspended in an electrolyte solution by measuring the electrical resistance change they cause as they pass through a small aperture...
What Is Single Particle Optical Sensing (SPOS)? Single Particle Optical Sensing (SPOS) is a highly sensitive particle counting and sizing technique that detects and measures individual particles one at a time as they pass through a narrow optical sensing zone. Unlike ensemble techniques such as laser diffraction — which measure the collective scattering behaviour of...
What Is Laser Diffraction? Laser diffraction — also called static light scattering or low-angle laser light scattering (LALLS) — is the most widely used particle size analysis technique for characterising the size distribution of particles, droplets, and bubbles in the 0.02 µm to 3.5 mm size range. It measures the angular distribution of light scattered...
What Is Karl Fischer Testing? Karl Fischer (KF) titration is the definitive analytical method for determining water content in solid, liquid, and gaseous materials. Developed by Karl Fischer in 1935, it remains the gold standard for moisture determination — offering specificity for water (as opposed to total volatile content), sensitivity from ppm to percentage levels,...
What Is Hazardous Materials Testing? Hazardous materials testing is a systematic process of evaluating substances that pose risks to human health, environmental integrity, or infrastructure safety. It encompasses chemical characterisation, toxicological assessment, flammability evaluation, reactive hazard screening, and regulatory compliance verification. Industries spanning chemical manufacturing, defence, environmental remediation, and transportation rely on hazardous materials (HAZMAT)...
The foundation of ECT lies in electromagnetic induction, which is the study of the interaction between electricity and magnetism. The probe (the housing for the test coil) is one of the three main parts of an eddy current (EC) system, along with the fault detector device and software. The test coils are made up of...
What Is Eddy Current Testing? Eddy Current Testing (ECT) is a non-destructive testing technique that uses electromagnetic induction to detect surface and near-surface defects in electrically conductive materials without requiring physical contact with the inspection surface. It is one of the most sensitive and versatile NDT methods for detecting cracks, corrosion, dimensional changes, and variations...
What Is Ultrasonic Testing? Ultrasonic testing (UT) is a non-destructive testing (NDT) technique that uses high-frequency sound waves — typically 0.1 MHz to 25 MHz — to detect and characterise internal and surface-connected discontinuities in materials and components. It is one of the five primary NDT methods recognised globally (alongside visual inspection, radiographic testing, magnetic...
What Is Radiography Testing? Radiography Testing (RT) is a non-destructive testing technique that uses penetrating radiation — X-rays or gamma rays — to create images of the internal structure of solid components. When radiation passes through a material, it is attenuated (absorbed and scattered) by the material’s density and thickness. Variations in internal structure —...
Magnetic field induction (MPI) is a technique used to detect cracks and faults in ferromagnetic materials. If the material is structurally sound, the magnetic flux is concentrated inside the material, but if there’s a crack, the magnetic field is distorted, and the magnetic flux leaks out. Small iron particles cover the surface and demonstrate the...
Magnetic Particle Inspection (MPI) is a non-destructive testing method used to detect surface and near-surface discontinuities in ferromagnetic materials such as iron, nickel, cobalt, and their alloys. MPI is fast, relatively inexpensive, and highly sensitive to surface cracks, making it one of the most widely used NDT methods in the automotive, aerospace, construction, oil and...
What Is Magnetic Particle Inspection? Magnetic Particle Inspection (MPI) — also called Magnetic Particle Testing (MT) — is a non-destructive testing method for detecting surface and near-surface discontinuities in ferromagnetic materials (iron, nickel, cobalt, and their alloys). It works by magnetising the component and applying fine magnetic particles (iron oxide powder) to the surface. Magnetic...
Understanding Liquid Penetrant Testing (LPT) Liquid Penetrant Testing (LPT) — also referred to as Dye Penetrant Inspection (DPI) or Penetrant Testing (PT) — is a widely used non-destructive testing (NDT) method for detecting surface-breaking discontinuities in materials. It relies on capillary action: a liquid dye is applied to a surface, allowed to seep into open...
What Is Non-Destructive Testing? Non-Destructive Testing (NDT) is a collection of analysis techniques used to evaluate the properties of a material, component, or system without causing damage. Unlike destructive testing, which requires specimen extraction and sacrifice, NDT allows the full component to remain in service after inspection. It is one of the most critical quality...
What Is Non-Destructive Testing? Non-Destructive Testing (NDT) — also called Non-Destructive Evaluation (NDE) or Non-Destructive Inspection (NDI) — is the evaluation of materials and components using techniques that do not damage or alter the test object. NDT determines material integrity, detects defects, measures properties, and verifies dimensions — providing quality assurance for safety-critical and high-value...
What Is Non-Destructive Testing? Non-Destructive Testing (NDT) — also called Non-Destructive Evaluation (NDE) or Non-Destructive Inspection (NDI) — encompasses a broad family of examination techniques that evaluate the integrity, properties, and condition of materials and components without causing damage, removing material, or impairing the component’s fitness for service. NDT methods detect and characterise defects, measure...
Non-Destructive Testing a Crucial Tool Non-destructive testing (NDT) is a comprehensive set of inspection methods that do not involve damaging the object being inspected. It is often used interchangeably with non-destructive inspection (NDI) to refer to both the methodology and tools used in NDT. The primary purpose of NDT is to ensure the safety of...
The Growing Importance of Advanced Magnet Testing The rapid expansion of electric vehicles, wind turbines, industrial servo motors, and consumer electronics has created unprecedented demand for high-performance permanent magnets. With this growth comes intensified focus on magnet quality assurance—verifying not only bulk magnetic properties but also dimensional uniformity, microstructural integrity, coating quality, and long-term stability...
What Is Magnet Testing? Magnet testing encompasses a range of laboratory and field test methods used to characterize the magnetic properties of permanent magnets, soft magnetic materials, and magnetic components. These tests verify that magnetic materials meet performance specifications for their intended applications, from electric motors and generators to sensors, MRI systems, and consumer electronics....
Optical Property Testing Optical Characteristics and Typical Testing Procedures: Infinita Lab offers various options for calculating a plastic’s opacity based on its intended use. These include checking for turbidity, reflective sheen, matrix of colors, thermal transmittance, uniformity of color, and flaws in the surface. Turbidity is related to the scattering of light caused by minute...
Electrical Test Method Electrical checks are crucial for understanding how electrical charges travel through and across a substance. Different materials have varying electrical conductivities, with insulators being materials that do not conduct electricity, while conductors are materials with high conductivity. Insulators include rubber, wood, plastic, and glass, while conductors include copper, graphite, and the human...
Fire resistance testing evaluates how materials, components, and assemblies respond to fire exposure by measuring properties such as flame spread, heat release, smoke generation, and structural integrity under fire conditions. This testing is mandatory for materials used in the construction, aerospace, automotive, electronics, and textile industries, where fire safety directly impacts human life. For manufacturers...
Fire Resistance Testing Services and Testing Standards Fire resistance testing is conducted on various materials, including building materials, furnishings, electrical products, and transportation components. Common testing standards include ASTM E119, ISO 834, UL 263, and BS 476. These standards ensure fire resistance, flame spread, and smoke production in construction, furniture, bedding, electrical products, and transportation....
ASTM E572 test method covers the analysis of stainless and alloy steels by Wavelength Dispersive X-ray Fluorescence Spectrometry (WDXRF). It provides rapid, multi-element determinations with sufficient accuracy to assure product quality.
The ASTM D2674 test is a standard test method for the analysis of sulfochromate etch solutions used in the surface preparation of aluminum. The ASTM D2674 standard specifies a method for determining the efficacy of an etchant used to prepare the surface of aluminum alloys for subsequent adhesive bonding.
An immunological method for quantization of Hevea Natural Rubber (HNRL) proteins using rabbit anti-HNRL serum. Rabbits immunized with HNRL proteins react to the majority of the proteins present, and their sera have the capability to detect most if not all the proteins in HNRL.
ASTM G65 measures the resistance of metallic materials to abrasion using the dry sand/rubber wheel apparatus. The quality, durability, and toughness of the sample are determined using this test. Metallic materials are ranked in their resistance to scratching abrasion under a controlled environment.
ASTM E2141 test methods provide accelerated aging and monitoring of the performance of time-dependent electrochromic devices (ECD) integrated in insulating glass units (IGU). This test helps to understand the relative serviceability of electrochromic glazings applied on ECD.
ASTM C724 test method is used in analyzing the quality and ease of maintenance of a ceramic decoration on architectural-type glass. This test method is useful in the acknowledgment of technical standards.
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