Metallic materials — Instrumented indentation test for hardness and materials parameters — Part 2: Verification and calibration of testing machines

This technical specification addresses the procedures for verifying and calibrating apparatuses used in indentation testing of metallic materials to determine hardness and associated mechanical parameters. As part of a broader series focusing on instrumented indentation, the document outlines specific requirements to ensure measurement accuracy and reliability across different testing environments. It provides detailed methodologies for assessing the performance of testing machines, including checks on force application, displacement measurement systems, and data processing algorithms. The guidelines facilitate consistent evaluation of material behavior under controlled loads, enabling comparisons of test results obtained from various laboratories or equipment units. By establishing strict protocols for machine validation, the standard supports the maintenance of high-quality data in research and industrial applications involving metal characterization. Adherence to these technical provisions helps mitigate errors arising from equipment drift or improper setup, thereby contributing to the overall integrity of mechanical property assessments. The content focuses exclusively on the operational aspects of calibration, ensuring that testing facilities can maintain the necessary precision for valid scientific and engineering outcomes.