ASTM D4660 Determination of the Isomer Content of Toluene diisocyanate

Plastic specimen undergoing tensile strength testing on universal testing machine

Scope: The ASTM D4660 test method is essential to get accurate readings at different sample concentrations. It helps determine the isomer content of toluene diisocyanates. It defines a standard to control the quality and application of these diisocyanates. It characterizes the isocyanates found in polyurethane products and is applicable for research purposes. It determines the...

Scope: The ASTM D4659 test method is important to determine the specific gravity of isocyanates. It defines a standard to control the quality and application of these isocyanates. It characterizes the isocyanates found in polyurethane products and is applicable for research purposes. It uses a digital density meter to calculate the specific gravity of isocyanates...

In our fast-growing world of material science, where precision and reliability can make or break, the next big innovation, engineers and industry professionals constantly pursue advanced testing methodologies to ensure their materials meet the highest standards of performance as well as quality. One important test in this realm is the ASTM D4273, a testing procedure...

Scope: ASTM D3769 is used for determining the heat sag of microcellular urethane. This method is essential for deformation in the baking assembly process and paint applications. It provides practical methods to determine the potential tendency of microcellular materials to deform. Procedure: In ASTM D3769, the thickness is measured in the clamping area of the...

Scope: At room temperature, ASTM D3768 test method is used to determine a material’s capacity to recover after a 180° bend around a 12.7-mm (0.5-in.) diameter mandrel. Any specifications for the material being tested must be consulted before beginning with this test technique. Procedure: Any test specimen preparation, conditioning, dimensions, or a combination, and testing...

Introduction ASTM D3576 method covers determining the apparent cell size of rigid cellular plastics by counting the number of cell-wall intersections in a specified distance. The values are taken in SI units. Scope ASTM D3576 yields an apparent cell size because it assumes no demonstrable change in the average cell size from edge to edge...

Scope: The ASTM D3575 test method applies to flexible closed cell materials made of olefin polymers or olefin polymer blends with other polymers. The data obtained by these test methods apply to the material under conditions of the particular test. They are not necessarily the same as obtained in other environments or use conditions. Procedure:...

ASTM D3574 Flexible Cellular Materials – Slab, Bonded, and Molded Urethane Foams Scope: ASTM D3574 provides information on various test methods made on slab, bonded, and molded urethane foams that can control manufacturing processes. This method is crucial for obtaining data for research and development, quality control, acceptance and rejection under specifications, and other purposes....

Scope: ASTM D3489 provides information on various test methods made on materials and has the potential in controlling manufacturing processes, giving considerable value in comparing the physical properties of different materials, and as a basis for writing specifications. Procedure: In ASTM D3489, all tests intend to be made by the methods given in Sections 7-23....

Scope: The goal of this test method ASTM D2842 is to compare the relative water absorption tendencies of several cellular polymers. It’s designed for use in product specifications, evaluation, and quality control. It is only applicable to specific end-use design criteria if the end-use conditions are similar to the test method’s immersion period and 5.1-cm...

Scope: ASTM D2126 test method is used to determine the response of rigid cellular plastic to thermal and humid aging. It is designed to recommend several different conditions from which you can choose one or more desired conditions of exposure. Artificial exposure to predict the effective behavior of rigid cellular plastics must be based mainly...

Introduction ASTM D1623 is a guideline for determining cellular plastic’s tensile and tensile adhesion properties. It also detects the effect of specific conditions like temperature, humidity, and machine speed on rigid cellular plastics. Different methods are used depending on the test sample’s quantity. The units of final results are in the SI system. Scope The...

Introduction The ASTM D1622 test method determines the properties of cellular materials by providing measures of their apparent overall density (including the skins formed in the manufacturing process) and apparent core density (after removing the skins formed in the manufacturing process). This method mainly applies to expanded plastics. The units of final results are in...

Introduction to ASTM D1621 Compressive Properties of Rigid Cellular Plastics Testing The ASTM D1621 test method covers the determination of compressive properties of rigid cellular plastics, consisting of compressive strength, compressive modulus, and deformation behavior under compressive forces that tend to crush the material. This standard applies to plastics such as polyurethane foams, polystyrene foams,...

Introduction The ASTM D8280 test method determines the amount of brominated flame retardants on the plastic surface. The collected bromide deposits from the chromatographic paper are placed on the plastic surface, and the total amount of bromine obtained through this method is then calculated with the help of an integrator. Scope The ASTM D8280 test...

Scope: The ASTM D8133 test method is important to identify and quantify phthalates in polyvinyl chloride by using the method of solvent extraction. The extracted articles are further analyzed with the help of a gas chromatograph/mass spectrometer. The method is valid for a wide range of polymeric substrates. Different readings are taken along with the...

Scope: The ASTM D7823 test method is important to identify and quantify polyvinyl chloride phthalates using thermal desorption, mass spectrometry, and gas chromatography. Different readings are taken along with the determination of the specifications of phthalates. This method is important in imposing standards of use, safety, health, and welfare for different phthalates. It is also...

Scope: The ASTM D3749 test method helps determine the amount of unreacted vinyl chloride monomer in a PVC resin. It measures RVCM, which is essential for specifying purposes, manufacturing control, and accepted application principles. Sample equilibration and temperature maintenance are also studied, which enhances the durability of the PVC resin. Procedure: In ASTM D3749, the...

ASTM D1921 Particle Size (Sieve Analysis) of Plastic Materials

Scope: ASTM D1921 test method measures particle size distribution which is important in lot-to-lot uniformity. The handling and processing characteristics are determined and dealt with. Based on the calculations, the daily application of plastic materials is decided. Procedure: In ASTM D1921, the sieves should be sufficient to cover the particle sizes and should be coated...

Scope: The standard test method, Torsion Testing of Wire ASTM A938, is a valuable technique for measuring wire ductility under torsional loading. The complex stress and strain conditions that arise in the sample throughout the test are sensitive to tiny differences in materials. A torsion test is used to examine how a sample reacts when...

ASTM A923 Intermetallic Phase in Duplex Ferritic Stainless Steels

Introduction ASTM A923 is the specification that identifies and evaluates the presence of intermetallic phases in duplex ferritic stainless steels. Alloys combining ferritic and austenitic phases offer strength, corrosion resistance, and toughness balance. However, undesirable sigma (σ), chi (χ), and delta (δ) intermetallic phases are inevitably formed during the manufacturing or heat treatment process. Such...

Scope: The ASTM E2903 method is advantageous as it allows users to do geometric calculations to determine the practical focal spot dimensions of the X-ray source. The results of this method are used for maintaining the desired maximum magnification possible or degree of geometric unsharpness, or both, for a given radiographic imaging application. Test Procedure:...

ASTM C1259 Dynamic Young’s Modulus, Shear Modulus, and Poisson’s Ratio for Advanced Ceramics

Scope: The elastic properties of advanced ceramics such as dynamic young’s modulus, shear modulus, and Poisson’s ratio are determined using the ASTM C1259 test method, which involves impulse excitation of vibration. For quality control and acceptance of test specimens of both regular and complex shapes, this method can be employed to detect resonance frequencies alone....

Scope: ASTM D746 test method involves standard impact testing for the brittleness and low-temperature behavior of plastic material and elastomers. The temperature at which half of the test specimens show brittle failure under specified conditions of impact is known as brittleness temperature. ASTM D746 test does not help predict the lowest temperature for the use...

Scope: The ASTM D4443 test technique can be used to determine the residual vinyl chloride monomer (RVM) content of vinyl chloride homopolymers and copolymers down to a concentration of 5 ppb. This test method can be used with any polymer that can be dissolved in a suitable solvent, such as resin, compound, film, bottle walls,...

Scope: ASTM D4275 test technique utilizes gas chromatography for the detection of butylated hydroxytoluene (BHT) in ethylene polymers and ethylene-vinyl acetate (EVA) copolymers. Stabilizers used in the production of polypropylene are separated and evaluated in order to link the performance characteristics to the polymer composition. Flame ionization is used to detect the substance, and internal...

ASTM D4218 Determination of Carbon Black Content in Polyethylene Compounds

Scope: ASTM D4218 test method is used to determine the carbon black content in polyethylene compounds by the Muffle-Furnace technique. The muffle furnace is an important laboratory testing tool that is used to test a variety of materials. With this technique, ASTM D4218 is aimed to provide improved temperature uniformity and isolate heated materials from...

ASTM D4001 Average Molecular Weight of Polymers By Light Scattering

Scope: ASTM D4001 test method outlines how to use the light scattering method to determine the weight-average molecular weight Mw of polymers. The weight-average molecular weight, when combined with the average molecular weight, provides a useful estimate of the molecular-weight distribution’s breadth. This information on molecular weight also aids in the calibration of molecular weight...

ASTM E1815 Classification of Film Systems for Industrial Radiography

ASTM E1815 Test Scope: ASTM E1815 test method gives a relative means of classifying industrial radiography film systems. The film system consists of the film and the processing system that goes with it. Only direct exposure-type film exposed with lead enhancing screens should be tested using this procedure. This test method cannot accurately measure the...

Scope: ASTM E1695 test method evaluates and summarizes the overall performance of a CT system. Separate documents, especially Guide E1000, Practice E2737, and Practice E2002, cover performance tests of system components such as X-ray tubes, gamma sources, and detectors and should be consulted for additional system analysis. ASTM E1695 allows the buyer or seller of...

Scope: The standard test method ASTM E1165 permits the user to determine the X-ray source’s adequate focal size. The reference to the object and object-to-detector distances are calculated, which is appropriate for preserving the desired degree of geometric unsharpness, maximum magnification, or both for a specific radiographic imaging application. The test can also assess if...

Scope: The ASTM E2971 standard is used to quantify the effective boron-10 areal density in aluminum neutron absorber materials used in systems to manage criticalities. The test is done for containers used to transfer and transport nuclear fuel, spent nuclear fuel pools, spent nuclear fuel dry storage canisters, and new nuclear fuel transport containers. This...

Scope: The standard test method, L/D Ratio of Neutron Radiography Beams ASTM E803, is used to determine and periodically measure the actual collimation ratio. By using ASTM E803, neutron beamlines with cold or heat neutron spectrums are tested. For this test method, neutron pictures can be created on a radiographic film using a conversion screen...

Scope: The standard test method ASTM E2861 is used to test thermal neutron imaging. To obtain an image, typically, a high flux reactor source with a well-defined collimation mechanism is used by classical neutron radiography. In neutron computed tomography, knowing the beam’s centerline and degree of beam divergence with some precision is critical, especially if...

Scope: ASTM E561 test method determines the crack extension values of the materials by a careful study of the KRCurve. The yield strength and toughness of the materials are adjusted. Slow crack extension resulting from the growth of plastic zones in the presence of a progressing crack driving force contributes to the toughness and reliability...

Scope: The standard test method ASTM E545 is used to determine quantitative data on neutron beam and image system parameters that influence film exposure and, as a result, image quality. In addition, the Beam Purity Indicator (BPI) is used to check the neutron radiography quality on a day-to-day basis. The BPI is developed and tested...

Introduction The ASTM E1004 test technique describes the electromagnetic (eddy current) approach to determine the electrical conductivity of nonmagnetic metals. Although this test technique does not cover them, electrical conductivity measurements can also be made with general-purpose eddy current devices. The units are in the SI system. Scope The standard test method, ASTM E1004, can...

Scope: The standard test method, Drop-Weight Tear Tests ASTM E436, is used to determine the appearance of propagating fractures in plain carbon or low-alloy pipe steels (yield strengths less than 825 MPa) over the temperature range where the fracture mode changes from brittle (cleavage or flat) to ductile. The goal of ASTM E436 is to...

ASTM E1922 Translaminar Fracture Toughness of Polymers

Scope: The standard test method, Translaminar Fracture Toughness of Polymers ASTM E1922, is used to determine the parameter KTL under opening mode loading, which is a measure of a polymer matrix composite laminate’s resistance to notch-tip damage and effective translaminar crack propagation. KTL data is used to set material processing, component inspection criteria, test speed,...

Crack-Tip-Opening Angle (CTOA) is crucial in understanding the behavior of cracks in materials across many fields. CTOA is a fracture mechanics parameter that helps predict crack propagation. It is vital in assessing material toughness and designing safer structures. The ASTM E3039 standard provides a method for determining CTOA. This standard is widely used in aerospace,...

Scope: ASTM E2899 test method defines a standard for test and analysis of surface cracks that aid in research and helps explain test specimens in three regimes: an elastic-plastic regime, a linear-elastic regime, and a field-collapse regime. It provides details about the design, crack-front behavior, and toughness of the material. The electric potential, crack mouth...

Introduction ASTM E1921 is a standard test method that determines the reference temperature, ᵀₜ, for ferritic steels. This temperature is essential in understanding their fracture toughness behavior in the ductile-to-brittle transition region. It provides a consistent framework for evaluating the material’s fracture properties, and engineers can predict performance under various service conditions and temperatures. Scope...

Scope: ASTM E3098 test method covers the shape memory effect properties of the specimen. The stiffness of the material, recovery of the deformed portion, strain calculation, functioning, product assessment, transformation temperatures, quality control, specification acceptance, and research are dealt with in this method. This creates ease for the customer and supplier to reach an agreement....

Scope: ASTM E3097 test method defines a standard for the selection and design of shape memory alloys. Constant force thermal cycling tests cover the effect of thermal cycling on the material. The method is helpful for compression testing and measuring the potential strength of shape memory alloys. The impact of temperature on the specimen and...

Scope: ASTM E2948 test method forms a standard for the fatigue response of a small diameter solid wire with rotating bending tests. It can help study internal structures and regulate the studies of inclusion, melt techniques, and hard work processing. It determines the effect of surface processes like corrosion and cavitation on the fine solid...

Introduction The evaluation of creep and fatigue characteristics of simple materials in thermal isothermal conditions is accomplished using the ASTM E2714 test method. It studies the deformation of materials, cracks, and cyclic inelasticity, indicating material durability and ability to withstand performance. The test measures strain and cyclic stress at a specific temperature while observing failure...

Scope: ASTM E2246 test method defines a standard for calculating the strain gradient of thin, reflecting films that help design and fabricate the microelectromechanical systems. Moreover, the strain gradient value can contribute to the application of Young’s Modulus. It obtains 3-D data sets by using a non-contact optical interferometric microscope which can help determine the...

Scope: ASTM E2245 test method defines a standard for calculating the residual strain of thin, reflecting films that help design and fabricate the microelectromechanical systems. Moreover, the residual strain value can contribute to the application of Young’s Modulus. It obtains 3-D data sets by using a non-contact optical interferometric microscope which can help determine the...

Scope: ASTM E2244 test method determines the in-plane length and deflection of reflecting films in unproven fabrication processes. It helps receive the topographical 3-D data sets through the use of an interferometric microscope. The measurements obtained can be used in parameter calculations, such as Young’s modulus and strain. In-plane deflection values are essential for various...

Introduction The ASTM F76 standard test has two ways to check single-crystal semiconductor samples’ resistivity and Hall coefficient. The main difference is the test sample requirements. The values are in standard metric units. Scope The ASTM F76 standard test helps determine the quality of materials for making semiconductor devices. It measures how well electricity moves through the...

ASTM E837 Determining Residual Stresses by the Hole Drilling Strain-Gage Method

Scope: ASTM E837 test method defines a standard to determine the usefulness of a workpiece by measuring the residual stress through the hole-drilling strain-gage method. It helps in the design process, choosing failure risks, corrosion possibilities, and service loads. It contributes to the reliability and acceptance of the material by calculating its residual stress through...

Introduction to ASTM D3591 Logarithmic Viscosity Number of Polyvinyl Chloride (PVC) The test method ASTM D3591 covers the determination of logarithmic viscosity number, hereinafter referred to as intrinsic viscosity, of polyvinyl chloride resins in solution. Intrinsic viscosity reflects the average molecular weight of the polymer and is related to its processing behavior, mechanical properties, and...

Scope: ASTM D3124 test method studies the characteristics of the vinylidene group. The chemical and physical properties of the resin affected by the different types of olefinic groups are determined. The information obtained from the study can help in identifying and characterizing unknown resins or other blends of it. Vinylidene unsaturation plays a significant role...

Chiral HPLC chromatogram separating enantiomers of pharmaceutical compound

Introduction ASTM D1601 is an essential test method used to measure the viscosity of a dilute solution for ethylene polymers. The determination of viscosity informs about molecular weights and structural properties of polymers. This makes it critical to help understand and control the performance characteristics of the materials. Like other ethylene polymers and their derivatives,...

The Grip of Safety Ensuring Wire Rope Performance through ASTM A931

What Is ASTM A931? ASTM A931 — Standard Test Method for Tension Testing of Wire Ropes and Strand — defines the procedure for measuring the breaking strength of wire ropes and metallic strands under axial tensile loading. The standard covers termination methods, testing machine requirements, loading rate, and data reporting for wire rope and strand...

ASTM A1081 Evaluating Bond of Seven-Wire Steel Prestressing Strand

Scope: ASTM A1081 method establishes the standard for prestressing steel strands in pre-tensioned and post-tensioned concrete constructions. The strand bond is impacted by manufacturing processes, subsequent handling, and storage conditions. The bond strength and bond breaker can be determined. Performance and reliability for construction use are studied. Test Procedure: In ASTM A1081, six strand samples...

Scope: The standard test method ASTM D494 is a valuable technique for acetone extraction of phenolic products. Acetone extraction shall be treated simply as a quantitative expression of a feature generally related to the degree of cure for molded phenolic products. The numerical value of the acetone test has no demonstrable strict relationship with the...

ASTM A1061 Testing Multi-Wire Steel Prestressing Strand

Scope: ASTM A1061 test method deals with the proper application of the mechanical properties of the strand and how they can be maintained or manipulated. This test determines the breaking strength of the strand and calculates the conditions of premature failure. The test failure risks and errors in testing can be determined and dealt with....

ASTM A1034 Testing Mechanical Splices for Steel Reinforcing Bars

Scope: ASTM A1034 determines the standard for measuring the performance and strength of bar slice assembly. It specifies the acceptability of a mechanical splice under specific design criteria for varied concrete structural members. Performance evaluation of the mechanical splices is dependent on the similarity of the materials and methods of assembly. Test Procedure: In ASTM...

ASTM A1032 Hydrogen Embrittlement Resistance for Steel Wire

Scope: ASTM A1032 test method establishes a standard for providing pipes with long-term performance. The time passed by the stressed wire specimen in tolerating a heated solution of NH₄SCN without failure is its resistance to hydrogen-induced embrittlement. Test Procedure: Prepare a test specimen for ASTM A1032 testing by sealing the ends of the cell and...

Introduction ASTM A754 is a standard practice in determining metallic coatings on steel using the X-ray fluorescence technique. This non-destructive technique is valuable for quality control since it measures accurately without product destruction. The high utilization of metallic coatings protects steel substrates from corrosion, wear, and environmental damage. These coatings improve steel’s lifetime and performance...

ASTM A428 Weight of coating on aluminum-coated iron or steel articles

Scope: ASTM A428 test technique establishes a standard for determining the mass of aluminum coatings applied to iron or steel items. Aluminum coatings on iron or steel objects produce a relatively inert barrier that protects the objects against corrosion. A thicker layer will provide more protection against mechanical damage that would otherwise cause the coating...

ASTM A1084 Detecting Detrimental Phases in Lean Duplex Ferritic Stainless Steels

Scope: There are three test methods in ASTM A1084 used for detecting the presence of detrimental phases in Lean Duplex Stainless Steels – The Etch method, the Charpy V-notch Impact Test, and the Inhibited Ferric Chloride Corrosion Test. These test methods are essential to reveal the presence or absence of a detrimental phase to the...

ASTM A1058 Mechanical Testing of Steel Products-Metric

Introduction ASTM A1058 is the standardized method of mechanical testing of steel products in metric units, providing consistency and reliability in evaluating material properties. This standard is precious in international trade and applications requiring precise characterization of mechanical properties. By harmonizing testing methodologies, ASTM A1058 facilitates global quality assurance for steel products. These test techniques...

ASTM F2877 Structural Insulation of A-Class Divisions Constructed of Steel or Aluminum

Scope: ASTM F2877 is crucial to define and measure the response of the products, materials, or assemblies to flame and heat in controlled conditions. The non-combustible passive fire safety insulation installed meets the best degree of commercial fire resistance expected. Mainly this test method is beneficial to assess the ability of a non-flammable passive fire...

ASTM A991 Conducting Temperature Uniformity Surveys

Scope: The standard test method, ASTM A991, is used to determine the capability of a furnace to fulfill the permitted temperature variation specified in the applicable product specification. The uniformity survey aims to select the temperature range present in different furnace parts under normal operating conditions. Those who utilize, manufacture, and provide calibration services to...

Scope: ASTM E1935 is an excellent method for measuring density variations; these measurements can evaluate parts, compare different systems, or characterize a particular system. This method is helpful for the determination of the adequate X-ray energy of a CT system. The ASTM E1935 test method is more precise and less susceptible to errors than other...

Scope: ASTM C1351 test method is essential for measuring the viscosity of glass between the range within which rotational viscometry and the field in which beam bending viscometry are helpful. It can be used to calculate the temperature/viscosity curve near the softening point. ASTM C1351 is useful for offering information about the behavior of glass....

Scope: The ASTM C1730 standard is helpful for both – the producer and user of ceramic powders. Manufacturers rely on the ASTM C1730 test data for its use in specification preparation or predicting the quality of the materials examined.The test standards can be applied to other ceramic materials based on their property of X-ray absorption. ...

Introduction ASTM C371 is a laboratory test method that helps in finding the particle size distribution of nonplastic ceramic powders such as silica, alumina, feldspar, nepheline syenites, pyrophyllite, as well as titanates, talc, and zircon. This test employs wire cloth sieves to measure the particle size distribution for the neat powders to comply with specific...

ASTM C324 Determination of Free Moisture in Ceramic Clays

Introduction The test method ASTM C324 is related to determining the value of the free moisture content of ceramic clays. The determination involves oven-drying a sample and the weight difference before and after the operation, then calculating the moisture percentage in the sample. Free moisture content is used for the analysis of the properties of...

ASTM C326 Drying and Firing Shrinkage of Ceramic Whiteware Clays

Introduction ASTM C326 is a Test Method primarily utilized for Drying and Firing Shrinkage of Ceramics; it outlines the methods to measure the dimensional changes in ceramic whiteware clays during these critical stages. Ceramic materials are foundational in various industries, from construction to advanced manufacturing. The properties of dry products depend entirely on the behavior...

Scope: The ASTM C1274 standard is suitable for measuring surface areas of enhanced ceramic powders up to 0.05 m2 (if krypton at 77.35 K is used as an adsorbent in combination with nitrogen). Both – suppliers and customers – of advanced ceramics can use this standard method for material improvement and comparison, product characterization, design...

Scope: The ASTM F218 test method helps in the quantitative evaluation of stresses. The performance of different glass products may be affected by the presence of residual process stresses, differential thermal expansion between cast components and inclusions. Test...

Scope: The chemical examination of clays by ASTM C323 holds enormous significance as the data obtained significantly impacts the technological characterization of the ceramic clays. It provides information on plasticity, drying and firing shrinkage, mechanical resistance, and forming capacity of the given clay sample. ASTM C323 can determine all the elements present in the clay...

Scope: The ASTM C1494 test method is valid for the chemical analysis of a mass fraction of carbon, nitrogen, and oxygen in silicon nitride powder. These standard methods are used in the research, development, acceptance, production, and quality control of silicon nitride powders, which are utilized to produce ceramic components having silicon nitride content. Test...

Introduction ASTM C1070 describes a standardized test procedure for measuring the PSD of alumina using laser light scattering, a widely adopted technique for particle size analysis. In terms of its applications – from ceramics and refractories to electronics and abrasives – alumina, or aluminum oxide (Al₂O₃), is a very versatile material. PSD significantly affects application...

Scope: Finding the density of glass by ASTM C1350M is essential for measuring the viscosity of glass in ranges higher than those covered by parallel plate and rotational viscometry. This test method helps provide information related to the behavior of glass when it has been changed into an object of business and in research and...

Introduction ASTM C770 is the standard test method for determining the stress-optical coefficient of glass. This is a critical property in understanding the relationship between the stress in the material and its optical changes. This coefficient is vital in photoelastic analysis, where the glass under mechanical stresses is analyzed with the help of optical patterns...

Scope: ASTM C730 has been made to compare Knoop indentation hardness with tensile strength, grinding speeds, and other hardness scales. Knoop hardness is one of many properties that is used for the characterization of glass. Test Procedure: In ASTM C730, the Knoop Indentation Hardness of Glass is an imprint of the undeformed indentation. An Indentation...

Scope: ASTM C729 is the most accurate method of finding densities of small-sized specimens of glass. This data holds colossal importance in the quality control of production, development, and research of glass samples. This test can also be used for solids with higher densities by adding miscible liquids such as thallium malonate-formate (up to 5.0...

Scope: Finding the density of glass by ASTM C693 is essential as it provides information about its mass and volume. Density data provide information about the purity of raw materials of glass and is different for various composites. It has several applications in development, construction, research, and production. Test Procedure: In ASTM C693, the mass...

Scope: ASTM C338-93 is a test method that measures the ‘flow points’ or temperature at which the viscosity of glass reaches 105 poise. A glass fiber of 0.65 mm diameter and 235 mm length begins to elongate under its own weight at the rate of 0.1mm/min as the upper 100 mm of the glass fiber...

Scope: By calculating the viscous elongation rate of the fiber of the given glass, using ASTM C336, the annealing and strain points of the glass can be determined. ASTM C336 provides information to develop an appropriate annealing schedule, stress release estimation, and estimation of setting points for seals. Test Procedure: ASTM C336 test takes place...

Introduction ASTM C158-02 is a specified test that assesses the flexural strength of glass and glass ceramics. This strength parameter indicates the ultimate load-carrying capacity of a glass material before it cracks, which is a critical factor for its utilization. Simple central loading test equipment is employed while testing, and results are expressed in units...

Understanding ASTM C1652 Testing: ASTM C1652 serves as a pivotal test method for inspecting laminated and tempered automotive glass in transmitted light. This digital imaging technique offers precise evaluation of the optical properties of the glass under inspection. Here’s how it works: Procedure: The process involves capturing reflected images of processed glass, enabling accurate assessment...

ASTM C1651 Roll Wave Distortion measurement in Heat-Treated Flat Glass

Scope: The standard method ASTM C1651 helps determine the peak-to-valley depth and the wavelength of a roll wave in flat glass which then helps in selecting the optical distortion resulting from that rolling wave. Peak-to-valley measurements provide a way of monitoring the roll wave distortion which occurs in flat, heat-treated architectural glass substrates processed in...

ASTM D116 Vitrified Ceramics for Electrical Applications

Scope: The insulators used in ASTM D116 are inert, non-conductive, and gas-tight, due to which they do not interact with the sample, and the analysis can be done accurately. Ceramic insulators can be semi-automated or fully automated and insulate temperature-controlled enclosures or electrically conductive materials. The use of these insulators avoids the risk of power...

Scope: ASTM C1607 method is a convenient tool to estimate and evaluate fracture toughness and the related mechanical parameters of brittle materials on a small scale. It does not require a large sized sample. Procedure: For ASTM C1607, a traverse scratch is placed in the center of the flexure specimen, and then the specimen is...

Scope: ASTM C1606 is one of the most efficient testing methods for determining hazardous waste (lead and cadmium) in the glassware industry and gauges their level of toxicity on people and the environment. It can also determine whether or not an alternative testing procedure is required. As it requires percolation of liquid from the waste,...

ASTM C1605 WDXRF Spectrometry for Chemical Analysis of Ceramic Materials

Introduction to ASTM C1605 – WDXRF Spectrometry for Chemical Analysis of Ceramic Materials ASTM C1605 describes the analytical method for determining the chemical composition of ceramic materials by Wavelength Dispersive X-Ray Fluorescence (WDXRF) spectrometry. The technique is of prime importance for ceramics, since small variations in chemistry may have very significant effects on performance factors...

ASTM C1161 | USA Testing Labs for ASTM C1161

Scope: ASTM C1424 test technique covers the determination of compressive strength of advanced ceramics under uniaxial loading at ambient temperature (at a steady rate with no reversals from test initiation to final breakage). Compression testing is used to identify a material’s behavior or response when subjected to a compressive force by measuring fundamental factors including...

Introduction to ASTM C1421 Fracture Toughness of Advanced Ceramics Testing The standardized test method ASTM C1421 was designed to measure the fracture toughness of advanced ceramics at ambient temperature. Ceramics are inherently brittle, so it is important to understand their behavior when a crack forms in the material. The test evaluates the material’s ability to...

Scope: ASTM C1368 determines slow crack growth parameters of ceramics by constant stress-rate flexural testing at ambient temperature. This test method provides empirical parameters for estimating ceramic materials’ relative slow crack growth (SCG) susceptibility in specific settings. It can be used to determine the effects of composition and processing factors on SCG as well as...

Scope: Under uniaxial stress at elevated temperatures, the ASTM C1366 test method is used to measure the tensile strength of monolithic advanced ceramics. Tensile tests reveal the strength and deformation of materials when subjected to uniaxial loads. This uniaxially loaded tensile strength test yields information on faults that limit the strength of a larger volume...

Introduction ASTM C1327 enables measuring the Vickers indentation hardness of advanced ceramics. Hardness testing uses a diamond indenter pressed into the surface of the ceramic with a specified load to determine its deformation resistance. This method efficiently determines the hardness of brittle ceramic materials used in high-performance applications due to their superior strength, wear resistance,...

Scope: Knoop indenters are used to make indentations in advanced ceramics as per ASTM C1326 and are one of the parameters used to characterize advanced ceramics. Knoop indents can also be used to measure the coating hardness of advanced ceramics. It is primarily used to prevent cracking in brittle materials and to make hardness testing...

ASTM C1291: Elevated Temperature Tensile Creep Strain, Rate, and Time-to-Failure for Monolithic Advanced Ceramics

Scope: The ASTM C1291 test method for advanced monolithic ceramics evaluates tensile creep strain, creep strain rate, and creep time-to-failure at elevated temperatures. Creep tests determine the material’s load-carrying capability for limited deformations by measuring the time-dependent deformation under load at a specific temperature. Creep-rupture tests, when correctly interpreted, provide a measure of the material’s...

Introduction to ASTM C1211 Flexural Strength of Advanced Ceramics at Elevated Temperatures The ASTM C1211 test method covers the determination of flexural strength (modulus of rupture) of advanced ceramic materials at elevated temperatures. This test measures the mechanical performance of ceramics under conditions that simulate high-temperature environments to which components are frequently subjected in aerospace,...