...ers hardness）1.3 材料的冲击韧性1.3.1 摆锤式一次冲击试验1.3.2 小能量多次冲击试验1.4 材料的断裂韧性（cracking toughness）思考题第2章 金属材料的基础知识2.1 金属的晶体结构2.1.1 晶体与非晶体2.1.2 金属的晶体结构2.1.3 金属的同素异构转变2.1.
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材料的断裂韧性可充分满足焊缝细节疲劳抗力的发挥。
The material fracture toughness was adequate to ensure development of the full fatigue resistance of the weld detail.
目前很难对晶须增韧陶瓷复合材料的断裂韧性进行理论计算。
It is very difficult to compute fracture toughness for silicon carbide whisker reinforced ceramic composite theoretically so far.
石墨渗铜材料的断裂韧性与高强石墨相比基本相当，主要是由于铜相与石墨结合强度低而未能发挥铜相增韧的作用。
The results indicate that, the fracture toughness of copper impregnated graphite is not much greater than that of graphite at room temperature, because the liquid copper does not wet the graphite.
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