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英文: By using optical microscope, SEM, x-ray diffraction, MSF-M stress testing instrument and microhardness testing an investigation has been made about the failure behavoor and oxide film structure of CrW8V tube mill piercer point.
中文: 本文运用金相分析、扫描电镜、X射线、MsF-M应力测试仪等方法对 CrW8V穿管机顶头的失效特征和氧化皮结构进行了分析。
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