This document specifies the principle, equipment, samples, test conditions, test procedures, calculations and test reports of the room temperature bending performance test method for carbon-carbon composite carbon materials. This document is applicable to the determination of the flexural strength and flexural modulus of three-dimensional punctured carbon-carbon composite carbon materials and quasi-three-dimensional needle-punched carbon-carbon composite carbon materials at room temperature. Carbon-carbon composite carbon materials with similar structures can also be implemented by reference.
GB/T 40398.2-2021 Referenced Document
GB/T 1446 Fiber-reinforced plastics composites-The generals for determination of properties
GB/T 33501-2017 Test method for tensile property of C/C composites
GB/T 40398.2-2021 history
2021GB/T 40398.2-2021 Test method for C-C composites—Part 2: Flexural properties