对H13热挤压齿轮模的表面失效进行了分析，为提高H13热挤压齿轮模的寿命对其进行了离子渗氮。
The surface invalidation of H13 hot extruding gear die is analyzed, ion nitriding is used in order to improve H13 hot extruding gear die life.
针对3DK9开关晶体管在应用中出现表面漏电失效的具体案例进行分析研究。
Some failures of 3DK9 switch transistors with higher surface leakage current were analyzed.
利用场发射扫描电镜(FESEM)及其附带能谱仪研究了失效空心阴极发射体的表面形貌、元素组成。
Surface morphology and composition analysis of the failure emitter of hollow cathode were characterized by using FESEM and EDS.
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