... metallographic（al）金相学的 metallographic testing金相检验 metalloid准金属、半金属、类金属（如As、Sb、B、Te具有金属和非金属两种性质） ...
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metallographic test method 金相检测方法
metallographic test laboratory 金属试验室
After visual inspection and metallographic test, analysis and discuss the welding zone cracking reasons for 6061 and A7003 aluminum alloy thin-walled tube after TIG (argon shielded arc) welding.
通过宏观及微观检测，分析了6061铝合金管及A7003铝合金薄壁管经TIG(氩弧)焊后的焊接区开裂的原因。
It was approved by metallographic test that the sound velocity measured by the instrument was more accurate. The instrument was easy for operation and could be used to realize automatic control.
用该仪器进行现场检测并通过金相试验对比，试验证明，用球化率测定仪比用测厚仪和探伤仪测得的声速值要精确，而且操作简单，可实现全过程自动控制。
The concept and grading method of the "martensitic grade" in the standard of "Metallographic test for Carburizing Auto Gear" were analyzed and discussed according to the experience and test results.
通过生产中的试验例证和检验结果，针对《汽车渗碳齿轮金相检验》标准中“马氏体级别”的概念和评级方法进行了分析和讨论。
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