\nT/CSTM 00440-2023 Test Method for Thermal Expansion Coefficient and Residual Stress of CVD Ceramic Coatings
T/CSTM 00440-2023
Basic Information
Scope
Scope: This document specifies the principles of thermal expansion coefficient and residual stress testing for CVD ceramic coatings (thickness > 0.03 mm) at room temperature, and stipulates the instruments and equipment required for the test, sample requirements, test procedures, data calculation, and rules for preparing test reports, etc. This document is applicable to CVD ceramic coatings on metal or ceramic substrates. This test method can be used for material performance research, quality control, characteristic description, and data collection, etc. Main technical content: This document specifies the principles of thermal expansion coefficient and residual stress testing for CVD ceramic coatings (thickness > 0.03 mm) at room temperature, and stipulates the instruments and equipment required for the test, sample requirements, test procedures, data calculation, and rules for preparing test reports, etc. This document is applicable to CVD ceramic coatings on metal or ceramic substrates. This test method can be used for material performance research, quality control, characteristic description, and data collection, etc.