... 金刚砂 carborundum 金相试验 metallographic test 金相显微镜 metallographic microscope ...
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本文用金相试验的方法对抗弹性能不同的铝合金靶板，作了弹坑解剖分析。
The crater analysis for Al-alloy targets of different ballistic properties by metallography is presented in this paper.
金相试验表明，适当降低轧制温度有利于晶粒的细化，从而改善钢材的力学性能。
Metallographic experiment indicate that reducing the rolling temperature properly is propitious to thin crystal, consequently the mechanical performance of steel products is also improved.
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。
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.
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