引用本文:刘鑫宇,张艳,蔡吴敏,王军军.(CrNbTiMoZr)C薄膜在人工海水环境中的摩擦腐蚀性能*[J].中国表面工程,2022,34(2):35~44
LIU Xinyu,ZHANG Yan,CAI Wumin,WANG Junjun.Friction and Corrosion Properties of (CrNbTiMoZr)C Coating in Artificial Seawater[J].China Surface Engineering,2022,34(2):35~44
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(CrNbTiMoZr)C薄膜在人工海水环境中的摩擦腐蚀性能*
刘鑫宇, 张艳, 蔡吴敏, 王军军
重庆理工大学材料科学与工程学院 重庆 400050
摘要:
高熵合金碳化物(HEAC)薄膜具有高硬度、耐磨性和耐腐蚀性良好等特性，在摩擦腐蚀环境下的材料防护领域具有广阔的应用前景，但关于 HEAC 薄膜的摩擦腐蚀行为以及腐蚀磨损之间交互作用的研究较少。为促进 HEAC 薄膜在海水环境下的应用，利用反应直流磁控溅射技术制备(CrNbTiMoZr)C 薄膜，并对其微观结构和力学性能进行表征，对薄膜在人工海水环境中不同载荷(1 N、2 N、4 N)条件下的摩擦腐蚀行为进行研究。研究结果表明，(CrNbTiMoZr)C 薄膜在人工海水中表现出良好的耐腐蚀和耐磨损性能，即使在较高载荷(4 N)条件下，薄膜总腐蚀磨损率(T=0.158 7 mm3 ·d-1 )也仅为相同测试条件下 304L SS 的 1 / 3。交互作用分析表明，薄膜的腐蚀加速磨损速率所占总腐蚀磨损率(T)的比值最大(约 80 %)， 腐蚀磨损过程中腐蚀对于磨损的促进作用更为明显。为促进(CrNbTiMoZr)C 薄膜在海水环境下材料防护领域中的应用及摩擦腐蚀交互作用分析提供了理论与数据支持。
关键词:  反应磁控溅射  摩擦腐蚀  人工海水环境  交互作用
DOI：10.11933/j.issn.1007-9289.20210628003
分类号:TG156;TB114
基金项目:重庆基础研究与前沿技术研究(cstc2021jcyj-msxmX0396)；重庆市技术创新与应用发展专项(cstc2019jscx-fxydX0046)资助项目
Friction and Corrosion Properties of (CrNbTiMoZr)C Coating in Artificial Seawater
LIU Xinyu, ZHANG Yan, CAI Wumin, WANG Junjun
College of Materials Science and Engineering, Chongqing University of Technology, Chongqing 400050 , China
Abstract:
High entropy alloy carbide (HEAC) films have high hardness, good wear resistance and corrosion resistance, which have a broad application in the field of material protection in frictional corrosion environment. However, there are few studies on the frictional corrosion behavior and the interaction between corrosion and wear of HEAC films. In order to promote the application of high entropy alloy carbide films in seawater environment, reactive DC magnetron sputtering technology is used to prepare (CrNbTiMoZr)C thin films, and the microstructure and mechanical properties of the films are characterized. The tribological corrosion behavior of the as-prepared thin films under different loads (1 N, 2 N, 4 N) in artificial seawater environment is studied. The results show that the (CrNbTiMoZr)C thin films exhibit good corrosion and wear resistance under all load conditions. The total corrosion wear rate (T=0.1587 mm3 ·d?1 ) is only 1 / 3 of the 304L SS even under high load (4 N). The interaction analysis shows that the ratio of corrosion accelerated wear rate (ΔWc) to the total corrosion wear rate (T) is the largest (about 80 %), indicating that corrosion has a more obvious promoting effect on wear. Theory and data support is provided for promoting the application of (CrNbTiMoZr)C film in the field of material protection in seawater environment and analyzing the interaction of friction and corrosion.
Key words:  reactive magnetron sputtering  friction corrosion  artificial seawater environment  interaction
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