The article talks about crank crack of shearing machine caused by flakes through testing tower-shaped texture and fracture, dipping in less-acid solution and analyzing its microstructure.
分别进行了塔形发纹检验、显微组织分析、低倍酸浸试验及断口试验分析，确定出该曲轴中的主要缺陷为“白点”。
The tensile properties, deformed microstructure and fracture at 77K in high-Mn austenitic steels have been investigated.
研究了高锰奥氏体钢在77K下的抗拉性能、形变组织和断裂特点。
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。
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