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[1]孙 艳*,任伟和.Cr12MoV模具钢电沉积不同Co基镀层的抗磨损性能研究[J].电镀与精饰,2024,(12):70-78.
　Sun YanRen Weihe.Anti-wear performance of different Co-based coatings electrodeposited on Cr12MoV die steel[J].Plating & Finishing,2024,(12):70-78.
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Cr12MoV模具钢电沉积不同Co基镀层的抗磨损性能研究

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2024年12 页码: 70-78 栏目: 出版日期: 2024-12-15
Title:
Anti-wear performance of different Co-based coatings electrodeposited on Cr12MoV die steel
作者:
孙 艳1*; 任伟和2
(1. 忻州职业技术学院 机电系,山西 忻州 034000 ;2. 河北工程技术学院,河北 石家庄 050091 )
Author(s):
Sun Yan1Ren Weihe2
(1. Department of Mechanical and Electrical Engineering, Xinzhou Vocational and Technical College, Xinzhou 034000, China; 2. Hebei Polytechnic Institute, Shijiazhuang 050091, China)
关键词:
抗磨损性能; 电沉积; Co-W合金镀层; Co-W/ZrO2复合镀层; Co-W/MoS2复合镀层; Co-W/ZrO2+MoS2复合镀层
Keywords:
anti-wear performance;  electrodeposition;  Co-W alloy coating;  Co-W/ZrO2 composite coating;  Co-W/MoS 2 composite coating;  Co-W/ZrO 2+MoS2 composite coating
分类号:
TQ153
文献标志码:
A
摘要:
摘要：为有效提高Cr12MoV模具钢的抗磨损性能，采用电沉积工艺在Cr12MoV模具钢表面制备Co-W合金镀层、Co-W/ZrO2复合镀层、Co-W/MoS2复合镀层和Co-W/ZrO2+MoS2复合镀层。分析了不同Co基镀层的形貌特征、成分和物相结构，并检测了不同Co基镀层的厚度、硬度和抗磨损性能。结果表明：Co-W合金镀层、Co-W/ZrO2复合镀层、Co-W/MoS2复合镀层和Co-W/ZrO2+MoS2复合镀层的形貌特征存在差异，平均晶粒尺寸依次减小，硬度依次增大，抗磨损性能依次增强；但不同Co基镀层的厚度基本相同，并且都呈现Co3W相（200）晶面择优取向。ZrO2颗粒和MoS2颗粒共同参与电沉积过程起到明显的细晶强化作用，还可能引起晶格畸变，促进形成晶粒细小（平均晶粒尺寸为54.2 nm）、结构致密的Co-W/ZrO2+MoS2复合镀层，具有高硬度（543.2 HV）以及更强的抗塑性变形能力和抗刮擦损伤能力，其抗磨损性能明显好于Co-W合金镀层、Co-W/ZrO2复合镀层、Co-W/MoS2复合镀层。Co-W/ZrO2+MoS2复合镀层作为功能性镀层能有效减轻Cr12MoV模具钢表面磨损。
Abstract:
Co-W alloy coating, Co-W/ZrO2 composite coating, Co-W/MoS 2 composite coating and Co-W/ZrO 2+MoS2 composite coating were prepared on the surface of Cr12MoV die steel by electrodeposition in order to effectively improve the anti-wear performance of Cr12MoV die steel. The morphology characteristics, composition and phase structure of different Co-based coatings were analyzed, and the thickness, hardness and anti-wear performance of different Co-based coatings were tested. The results show that the morphology characteristics of Co-W alloy coating, Co-W/ZrO 2 composite coating, Co-W/MoS 2 composite coating and Co-W/ZrO 2+MoS2 composite coating are different, the average grain size decreases sequentially, the hardness increases sequentially and the anti-wear performance improves sequentially. However, the thickness of different Co-based coatings is similar, and all show the Co 3W (200) crystal face preferred orientation. ZrO2 particles and MoS 2 particles participate in electrodeposition can significantly refine grains, and may also cause lattice distortion, and promote the formation of dense Co-W/ZrO2+MoS2 composite coating with fine grains (average grain size is 54.2 nm), high hardness (543.2 HV) and stronger resistance to plastic deformation and scratch damage. The anti-wear performance of Co-W/ZrO 2+MoS2 composite coating is obviously better than that of Co-W alloy coating, Co-W/ZrO 2 composite coating and Co-W/MoS 2 composite coating. Co-W/ZrO 2+MoS2 composite coating can be used as a functional coating, which can effectively reduce the surface wear of Cr12MoV die steel.

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更新日期/Last Update: 2024-12-18