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采用两种具有代表意义的KIC测试方法 ,对两类试验材料 (0Y ZrO2 /MoSi2 基复合材料和2 5Y ZrO2 /MoSi2 基复合材料 )的断裂韧度进行了对比和分析 ,探讨了两类ZrO2 增韧机制所伴随的两类显微结构对断裂韧度测试方法的不同响应关系和内在作用机制。
Two representative KIC test methods were used to compare and analyze the fracture toughness of two types of test materials (0Y ZrO2 / MoSi2 based composite and 25YYO2 / MoSi2 based composite) Toughness mechanism accompanied by two types of microstructure on fracture toughness test method of different response and intrinsic mechanism of action.