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See Chinese contents: GB/T 40398.2-2021 GB/T 40398.2-2021: Test method for C-C composites -- Part 2: Flexural properties
This document specifies the principle, equipment, samples, test conditions, test procedures, calculation and test report of the test method for the flexural properties of C-C composites at room temperature. This document applies to the determination of flexural strength and flexural modulus of punctured three-dimensional C-C composites and needled quasi-three-dimensional C-C composites at room temperature. It also applies, as a reference, to C-C composites of similar structure.
