The Applied Technical Services Family of Companies (ATS FoC) uses ASTM E2546 as the industry standard for instrumented indentation testing (IIT) to assess and characterize the mechanical properties of small-sized samples, thin coating materials, or microscale features when traditional mechanical testing methods are not applicable.
Since modern nuclear materials like microelectronic coatings and microscale films are often too small for standard tensile or hardness tests, ASTM E2546 helps provide precise indentation data to confirm whether the materials, coatings, or processes will perform reliably under real-world conditions.
What is ASTM E2546 Instrumented Indentation Testing and How Does it Work?
Instrumented indentation testing, or nanoindentation, measures a material’s mechanical properties by pressing a precision indenter into its surface while continuously recording force and penetration depth. By analyzing the resulting force-displacement curve, our engineers can determine key characteristics such as hardness, elastic modulus, stiffness, creep behavior, and deformation response, providing a detailed understanding of materials at the microscale.
Verifying Nuclear Material Performance with ASTM E2546
When issues such as scratching, abrasion, surface degradation, or premature wear occur, ASTM E2546 testing can determine whether the material is too soft or the coating does not meet standard performance requirements. In the nuclear industry, IIT data from ASTM E2546 helps operators and manufacturers evaluate the mechanical properties of reactor materials and safety-critical, small-scale components.
Common applications that support long-term safety and reliability of nuclear systems include:
- Assessing the condition of irradiated materials
- Evaluating radiation effects and irradiation-induced embrittlement
- Verifying the performance of protective coatings and welds
- Monitoring material aging and degradation over time
- Optimizing heat-treatment processes
- Measuring wear resistance and surface durability
- Comparing material formulations and processing methods
- Characterizing welds and heat-affected zones in critical components
ASTM E2546 testing is also regularly used across industries that rely on small components and thin-film coatings, such as aerospace, automotive, electronics, and medical devices.
ATS Testing: When You Need to be Sure
Since 1967, ATS and our growing family of companies have established strong partnerships throughout the TICC industry. We support mission-critical operations by verifying system and material performance through advanced testing and inspection. Our expanding laboratory network, accredited to ISO/IEC 17025:2017 and operating under an ISO 9001:2015-registered quality management system, delivers reliable quality control and accurate data.
As part of SGS, the global leader in testing, inspection, and certification, ATS provides trusted local support and access to global technical resources. We help you make informed decisions about the performance, reliability, and safety of your people and products, demonstrating our commitment to a safer, more reliable world.
Contact Us
To verify material performance at the microscale, schedule ASTM E2546 instrumented indentation testing with ATS. Submit a web request form or call us directly at +1 (888) 287-5227 to speak with one of our experts today.

