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[目的]为实现某型发动机执行机构活门表面氮化钛涂层的自主制备。[方法]采用多弧离子镀技术在W2ZH耐磨钢表面制备TiN涂层，对比研究俄制与自制氮化钛涂层的微观结构、物相组织、硬度、结合力等性能。[结果]俄制TiN涂层由厚度1.85μm的TiN层和0.26μm的Ti结合层组成，其物相主要是面心立方Ti N相，基本不存在择优生长取向，表面粗糙度Ra为(32.6±1.5) nm。自制TiN涂层由2.15μm厚的TiN层和0.24μm厚的Ti结合层组成，也是TiN相，但存在明显的TiN(111)择优取向，表面粗糙度Ra为(18.7±0.5) nm。自制TiN涂层的纳米硬度和弹性模量分别为(27.84±1.06) GPa和(409.89±20.39) GPa，结合力达到(66.9±3.1) N，都比俄制TiN涂层高。[结论]本TiN涂层制备工艺对于实现W2ZH耐磨钢涂层的有效自主修复具有较强的可行性。
Abstract：[Objective] In order to realize the autonomous fabrication of titanium nitride(TiN) coatings on engine actuator valve surfaces. [Method] TiN coatings were deposited on the surface of W2 ZH wear-resistant steel by multi-arc ion plating. The microstructure, phase constitution, hardness, adhesion, and adhesion of the Russian-made and home-made TiN coatings were compared. [Result] The Russian-made TiN coating consisted of a 1.85 μm-thick TiN layer and a 0.26 μm-thick Ti bonding layer, exhibiting primarily face-centered cubic Ti N phase without significant preferential orientation, with a surface roughness Ra of(32.6 ± 1.5) nm. The home-made TiN coating comprised a 2.15 μm-thick TiN layer and a 0.24 μm-thick Ti bonding layer, also composed of TiN phase but with distinct TiN(111) preferential orientation and a surface roughness Ra of(18.7 ± 0.5) nm. The home-made TiN coating showed superior performance with nanohardness of(27.84 ± 1.06) GPa, elastic modulus of(409.89 ± 20.39) GPa, and adhesion(critical load) of(66.9 ± 3.1) N, all exceeding those of the Russian-made TiN coating. [Conclusion] The developed TiN coating process shows strong feasibility for autonomous repair of W2 ZH wear-resistant steel components.
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基本信息:
DOI：10.19289/j.1004-227x.2025.11.008
中图分类号:V263;TG174.4
引用信息:
[1]慕娟娟,王志高,温泉,等.航空用W2ZH耐磨钢表面氮化钛涂层的制备与性能研究[J].电镀与涂饰,2025,44(11):49-54.DOI:10.19289/j.1004-227x.2025.11.008.
基金信息: