fracture grain size的意思|示意

The fatigue life is seen to depend on the grain size and stress amplitude, based on the nonequilibrium statistical theory of fatigue fracture and the model of interface energy.

在其它参数保持不变的情况下，得出细晶粒多晶体金属的平均疲劳寿命随晶粒尺寸和应力振幅的增加而减小的结论。

The effect of crystal content and grain size of feldspathic porcelain on fracture toughness was discussed in the paper.

本论文重点研究了长石瓷晶相含量和晶粒度对断裂韧性的影响。

The results show that the grain size have a obvious influence on strain-hardening rate and fracture behavior.

结果表明 ，晶粒尺寸对应变硬化率及断裂行为有显著的影响 ；

In this paper, the chemical contents, microstructure, inclusion, grain size and fracture analysis of the second grade gas turbine blade were investigated.

对燃气轮机二级动叶片失效件进行了化学成分分析、金相组织观察、晶粒度测定、夹杂物检查及断口分析。

The results showed that the metallurgical defects such as inclusions, coarse crystal grains and asymmetry of the grain size were the main reason resulting in fracture of the steel rods during drawing.

结果表明，原材料中存在的夹杂物、晶粒粗大及混晶等冶金质量缺陷是盘条在拉拔过程中发生断裂的主要原因。

An increase in crystal grain size of co-polypropylene probably resulted in a decrease in the specific nonessential work of fracture, which induced less ability in preventing fracture for long time.

共聚聚丙烯的晶粒尺寸较大可能造成其比基本断裂功减小，致使其耐长期破裂行为较差。