1·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。
2·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。
3·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。
4·This paper has investigated the influence of alloying element Nb on structure and properties of the soft nitriding layer by means of experiments of the matrix steels containing Nb and Nbfree.
通过含铌与不含铌基体钢气体软氮化工艺对比实验，初步探索了合金元素铌对基体钢软氮化渗层组织与性能的影响。
5·It is discovered that commercial pure titanium has good biocompatibility after plasma nitriding, the formed blood vascularized tissue reaction layer is thin and cell reaction is good.
发现钛经过等离子氮化后具有良好的组织相容性，形成薄的血管化的组织反应层，且细胞反应良好。
6·Nitriding and oxidation: diffusion layer and oxidation layer improve soldering resistance, adhesion resistance and crack resistance.
氮化扩散层和氧化层：可以提高模具耐溶损性、耐过烧性、耐粘着性和耐热裂性。
7·Higher nitrogen potential may promote formation of white layer, increase hardness and wear resistance but at the same time increase brittleness of nitriding case.
提高氮势可促使白层形成，提高渗层硬度和耐磨性，但使其脆性增高。
8·In this article, double layer glow discharge is discussed in terms of the theory of gas discharge and experiments on ion nitriding equipment and technology.
本文在离子氮化装置及离子氮化工艺试验研究的基础上，根据气体放电理论，提出并讨论了双层辉光放电现象。