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。
The results show that 82b wire rod brittle fracture is mainly caused by excessive inclusion, reticulate carbide, lower sorbite in the microstructure, and surface defect of wire rod.
结果表明，82B钢盘条脆断的主要原因是夹杂物级别超标、组织中出现网状碳化物、索氏体含量偏低以及盘条表面缺陷等。
The microstructure and chemical composition of cracked water-cooling wall pipe used in power plant were analyzed, and its fracture was analyzed by SEM.
对开裂的电厂水冷壁管进行了化学成分及金相组织分析，并对断口进行了扫描电镜分析。
The results show that the carbide networks in microstructure tend to break, and fracture toughness and wear-resisting properties of the alloy were improved.
结果表明，变质处理后钨合金白口铸铁的微观组织中碳化物网络断裂，其抗冲击韧性和耐磨损性能显著提高。
The result shows that due to the reason of unsuitable control of the forging process, the forging fracture is in stone shape and the microstructure is extremely rough.
研究结果表明，锻材断口呈石状、显微组织枝晶特粗大的原因主要是由于锻造加热工艺控制不当造成。
An analysis on chemical composition, microstructure and manufacturing processes of the fracture piston and bearing cover of oil pumps was carried out in this paper.
对断裂的油泵柱塞、轴承外套从成分、组织、工艺等方面进行了检验分析。
The microstructure of MDF cement and its fracture surface were investigated in detail by SEM/EDAX, STEM et al.
应用SEM／EDAX、STEM等仪器比较详细地研究了MDF水泥及其断口的微观结构。
In this paper, the fracture surface of a failed axle was examined macroscopically. The chemical composition, mechanical properties, ma-cro-and microstructure of the fracture surface were analysed.
本文对断轴进行了宏观断口检查并对化学成分、力学性能、高低倍组织及微观断口进行了分析。
The results show that chemical composition and microstructure of the fracture bolt were in normal state.
结果表明，该螺栓化学成分和金相组织未见异常。
The results show that chemical composition and microstructure of the fracture bolt were in normal state.
结果表明，该螺栓化学成分和金相组织未见异常。
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