Study on wear resistance of TiN multi-permeation layer using glow plasma surface alloying
Study on wear resistance of TiN multi-permeation layer using glow plasma surface alloying
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DOI：
10.1016/j.surfcoat.2006.07.125
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发表时间：
2007-02
影响因子：
5.4
通讯作者：
X. Kui;J. Wang;Yanliang Liu;Jinyong Xu;Yuee Gao;Zhong Xu
中科院分区：
文献类型：
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作者：
X. Kui;J. Wang;Yanliang Liu;Jinyong Xu;Yuee Gao;Zhong Xu
本文首先介绍了一种新技术，主要利用等离子体点放电、空心阴极效应和反应气相沉积技术在碳钢表面合成由扩散层和沉积层组成的TiN渗透层，然后在该表面沉积TiN膜（PVD）形成TiN多渗透层。厚度在10 μm以上，成分和组织呈梯度分布。与基体的冶金结合良好，结合力较好，无剥落现象。随后对TiN渗透层和TiN多渗透层的表面形貌、相结构、显微硬度和耐磨性进行了对比研究。结果表明，两种材料的表面形貌均为致密细腻的细胞结构，颜色呈金黄色。从x射线衍射结果看，多渗透层表面为纯TiN层，（200）晶面衍射峰最强，有明显的择优取向。TiN多渗层表面显微硬度较高，可达2500hv左右。与TiN渗透层相比，其磨损曲线更稳定，平均摩擦系数更低，磨损裂纹也更窄。所以耐磨性比那好。
In this paper, a new technique has been firstly introduced that TiN permeation layer composed of diffusion and deposition layer was synthesized on the surface of carbon steel, mainly according to plasma point discharge, hollow cathode effect and reactive vapor deposition technique, and then TiN film was deposited (PVD) on this surface to form TiN multi-permeation layer. The thickness was above 10 μm, and all the composition and structure were graded distribution. And it also was metallurgical bonding with substrate and cohesion force was better without any spallation phenomenon. Subsequently comparative research between TiN permeation layer and TiN multi-permeation layer on surface appearance, phase structure, microhardness and wear resistance were investigated. The results show that both surface appearances consist of compact and fine cellular structure and color are golden. From X-ray diffraction results the surface of multi-permeation layer is pure TiN layer and the diffraction peak of (200) crystal face is the strongest having obvious preferred orientation. Surface microhardness of TiN multi-permeation layer is higher, reaching about 2500 HV. But also the abrasion curve is more stable, mean friction coefficient is lower, and abrasion crack is also narrower, compared to TiN permeation layer. So the wear resistance is better than that.