表面工程是针对零件表面失效的形式、特征和机理，综合运用各种表面技术进行防护的工程。
Based on the knowledge of formation, characteristic, and mechanism of component's failure, surface engineering is extensively used to protect component surface by different of surface technology.
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.
在高速和轻载工况条件下，打滑擦伤往往成为圆柱滚子轴承的主要失效形式，而表面粗糙度对轴承打滑损伤有很大的影响。
Under high speed lightly loaded conditions, skidding damage often becomes one of the main damage forms for cylindrical roller bearings while surface roughness has great effect on skidding damage.
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