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1·It is analyzed and deduced that the fracture toughness KIC of the reactor material after being used 5 years. The two reactors is safety …

在推导出反应器材料使用5年后断裂韧度值K＿（IC）的基础上，对两台反应器的缺陷进行了安全评定。

2·The fracture toughness KIC of TiAlN coating has been measured by Weishi indenter indentor and the appearance of impress has also been observed by SEM.

并采用维氏压头测量断裂韧性KIC和通过扫描电子显微镜观察压痕形貌来评定涂层的韧性。

3·If the density and size of flaking is above the critical value the tensile properties are reduced, but no effect on fracture toughness KIC is obscrued.

当白点含量较多或尺寸较大时，使拉伸性能下降，但对断裂韧性没有影响。

4·Microwave Sintering, as a new aspect on the study of ZTA ceramics, improves the bending strength and the fracture toughness KIC of ZTA and the micro structure.

选用微波烧结新工艺，对ZTA陶瓷力学性能进行了研究，获得了较传统烧结工艺优良的陶瓷力学强度和断裂韧性。同时，新工艺改善了陶瓷体的显微结构。

5·Plane strain fracture toughness (KIc). The critical value of the stress intensity factor (i. e., at which crack propagation occurs) for the condition of plane strain.

平面应变断裂韧性(KIc)：平面应变条件下应力强度因子的临界值(即达到该值时裂纹发生扩展)。

6·The results show that the fracture toughness of Kic increased with lower loading rate and higher test temperature and the incision depth has no significant impact on the test results.

结果显示，断裂韧度随加载速率降低和试验温度提高而增大，而切口深度对结果的影响不显著。