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评述了Ｃ／Ｃ复合材料室温及高温断裂韧性测试的各种影响因素，以及当前Ｃ／Ｃ复合材料断裂韧性的表征方法，表明了Ｃ／Ｃ复合材料室温及高温断裂韧性测试和评价规范化的迫切性
The various influencing factors of C / C composites at room temperature and high temperature, as well as the characterization methods of the fracture toughness of C / C composites, are reviewed, which show that C / C composites are urgent and urgent to test and evaluate the fracture toughness at room temperature and high temperature Sex