Test Methods Overview

Test methods are standardized procedures for assessing the physical, chemical, mechanical, thermal, electrical, and environmental properties of materials and products. Test methods ensure the repeatability of test results in different labs, industries, and regulatory environments.

International organizations such as ISO, ASTM, MIL-STD, DIN, and IEC, as well as other regulatory agencies, usually develop standardized test procedures. Test methods allow us to evaluate materials, verify product quality, and ensure compliance with industry-standard test procedures.

Our test service supports many internationally recognized test methods for the precise characterization and certification of materials across aerospace, automotive, electronics, polymers, medical devices, and advanced materials.

Importance of Standardized Test Methods

Standardized test methods are integral to product development, quality, and regulatory requirements. Some of the advantages of standardized test methods include:

• Consistency: the test results remain the same across labs.
• Regulation: the tests comply with safety and quality standards.
• Materials: The tests ensure that materials conform to the specifications.
• Product Development: The tests provide the much-needed information for the R&D process.
• Quality: The tests help maintain quality control.

Categories of Test Methods

Test methods are typically grouped based on the type of property or environmental condition being evaluated.

Mechanical Test Methods

Mechanical tests are used to determine a material’s strength and durability, as well as its structure under different forms of stress. These tests include: 

• Tensile & Compressive Strength Testing — ASTM E8, ASTM D638, ASTM D695
• Hardness Testing — Brinell (ASTM E10), Rockwell (ASTM E18), Vickers (ASTM E92)
• Fatigue & Fracture Testing — ASTM E399, ASTM E647
• Impact Resistance (Charpy & Izod) — ASTM E23, ASTM D256
• Flexural Strength — ASTM D790, ASTM C1684
• Adhesion & Bond Strength Testing — ASTM D1002, ASTM D4541
• Nanoindentation Testing — for thin films and micro-scale components
• Dynamic Mechanical Analysis (DMA) — ASTM E1640
• Thermomechanical Analysis (TMA)

These tests apply to different materials, ranging from metals to polymers and composites.

Thermal Test Methods

Thermal tests assess how the material responds to changes in temperature, to heat, and to heat-induced deterioration. The tests that are usually performed include:

• Differential Scanning Calorimetry (DSC) — ASTM E793 (enthalpy of fusion), ASTM E794 (melting & crystallization), ASTM E1356 (glass transition Tg), ASTM D3418, ISO 11357
• Thermogravimetric Analysis (TGA) — ASTM E1131 (compositional analysis), ASTM D6370 (polymer degradation), ISO 11358
• Thermomechanical Analysis (TMA) — ASTM E831 (CTE linear), ASTM E1545 (glass transition by TMA), ISO 11359
• Dynamic Mechanical Analysis (DMA) — ASTM E1640, ASTM D4065 (viscoelastic properties), ISO 6721
• Oxidative Induction Time (OIT) — ASTM E1858, ASTM D3895 (polyolefins), ISO 11357-6
• Specific Heat Capacity — ASTM E1269, ISO 11357-4
• Coefficient of Thermal Expansion (CTE) — ASTM E228, ASTM E289 (dilatometry), ISO 11359-2
• Vicat Softening Temperature — ASTM D1525, ISO 306
• Heat Deflection / Distortion Temperature (HDT) — ASTM D648, ISO 75
• Thermal Conductivity — ASTM E1461 (laser flash), ASTM C518 (steady-state heat flow), ISO 22007
• Flammability & Fire Testing — ASTM D635 (horizontal burning), ASTM D3801 (vertical burning/UL94), ASTM E84 (surface burning), ASTM E1354 (cone calorimeter), ISO 5660

Corrosion and Environmental Test Methods

In corrosion and environmental testing, the focus is on how well something will withstand harsh conditions. The tests usually involve:

• Temperature and humidity
• Salt spray tests
• UV tests
• Testing for explosive atmospheres
• Ingress Protection tests

This type of testing is usually important for industries such as aerospace, automotive, electronics, and outdoor gear.

Chemical and Material Characterization Methods

The tests used to characterize materials determine their chemical composition, purity, and structure. The tests commonly used include: 

• Spectroscopy 
• Elemental Testing
• Moisture Testing 
• Polymer Testing 

These tests are commonly used in labs dealing with advanced materials, plastics, and research.

Industries Served

Test methods have been employed across various industries to ensure safety, reliability, and compliance with standards. Industries that rely the most on standardized testing include:

• Aerospace & Defense
• Automotive Manufacturing
• Electronics & Electrical
• Plastics & Polymers
• Construction & Structural Materials
• Energy & Power Systems

Why Choose Infinita Lab?

With Infinita Lab (www.infinitalab.com), you are guaranteed a Nationwide Network of Accredited Laboratories spread across the USA, the best Consultants from around the world, Convenient Sample Pick-Up and Delivery, and Fast Turnaround Time. 

Our team understands the stakes and subtleties of every test. Whether you’re validating a new Product, de-risking a prototype, or navigating complex compliance requirements, our specialists guide the process with rigor and clarity.  

Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090  to learn more about our services and how we can support you. Request a Quote