Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.
要
用宏、微观检验、化学成分分析和硬度测试等方法对断头的排气门进行了分析。
Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.
要
用宏、微观检验、化学成分分析和硬度测试等方法对断头的排气门进行了分析。
Research on the failure reasons of the cooling tube were carried out by means of macroexamination, thickness measurement, X ray diffraction, optical microscopy and chemical analysis.
用宏、微观分析、化学成分分析等手段,对冷却水管的腐蚀穿孔进行了失效分析。
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