soft nitriding layer 软氮化层
nitriding layer depth 渗氮层深度
gas nitriding layer 气相渗氮
hardness of carbo nitriding layer 渗层硬度
structure of carbo nitriding layer 渗层组织
surface layer nitriding 表面层氮化法
The nitriding layer and the borided layer are investigated by optical microscopy,X-ray diffraction,electron probe micro analyzer,knoop micro-hardness tester, micro-tribometer and scanning electron microscopy.
利用光学显微镜、X射线衍射仪、电子探针分析仪、努氏显微硬度计、微摩擦磨损试验机和扫描电镜对渗氮层和渗硼层进行分析。
参考来源 - 表面化学热处理在大型离心压缩机中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
The effect of the atmosphere on the structure and properties of ion nitriding layer of alloy TC4 was investigated.
研究了在不同气氛下进行离子渗氮对TC 4钛合金渗氮层的组织与性能的影响。
The results of experiments showed that the Nb can raise the depth of diffusion zone, hardness, wear resistance, strength and toughness of the nitriding layer of the matrix steel.
实验结果表明，铌能增加扩散层深度、 硬度及耐磨性，提高渗层的强韧性。
For obtaining high surface hardness and great thickness, the main factors which affect the nitriding layer structure and properties were analyzed, and the optimized parameters were obtained.
以获得较高表面硬度和渗层厚度为依据，分析影响渗氮层结构和性能的主要工艺因素，确定出最佳工艺参数。
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