Abstract

The wear-resistant coatings formed by the vacuum ion-plasma codeposition of titanium and carbon have been studied in this work. Single-layer and multilayer coatings with the systematically repeated [(Ti_{1 – x}C_x/a-C] pair are deposited onto P8M5 and 18KhN10T steel substrates. The highest erosion resistance is inherent in the multilayer [Ti_0.2C_0.8/a-C]₄₀ coating with a layer thickness of 25 nm. The erosion wear rate of this coating is 1.6–1.8 times lower than the wear rate of the single-layer а-С and Ti_0.2C_0.8 coatings. The wear of [Ti_0.2C_0.8/a-C]₄₀ occurs layer by layer without crumbling of individual square sections of the coating, thus increasing its service life. The interphase boundaries in the Ti_0.2C_0.8 composite layer, as well as the Ti_1 ‒ xC_x → а-С interface boundaries, serve as a barrier for the propagation of microcracks, decreasing the probability of macrocracking, which destroys the continuity of a coating.

中文翻译：

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Ti 1 – x C x –类金刚石碳结构形成对的涂层的冲蚀磨损的特定特征（х= 0.2，0.8）

摘要

在这项工作中，已经研究了由钛和碳的真空离子等离子共沉积形成的耐磨涂层。将具有系统重复的[（Ti _{1 – x} C _x / aC）对的单层和多层涂层沉积到P8M5和18KhN10T钢基底上，多层[Ti _0.2 C _0.8 / aC] ₄₀涂层固有的最高耐蚀性厚度为25 nm的涂层，其腐蚀磨损率比单层а-С和Ti _0.2 C _0.8涂层的磨损率低1.6-1.8倍[Ti _0.2 C _0.8 / aC ] ₄₀涂层会逐层出现，而不会破坏涂层的各个方形部分，从而增加了使用寿命。Ti _0.2 C _0.8复合层中的相间边界以及Ti _{1 ‒  x} C _x →а-С界面边界，充当了微裂纹扩展的障碍，降低了微裂纹的可能性，破坏了微裂纹的连续性。涂层。