高频感应熔覆-电接触强化复合工艺制备WC/Ni60涂层的组织与性能

doi:10.13251/j.issn.0254-6051.2026.02.050

摘要/Abstract

摘要： 采用高频感应熔覆-电接触强化复合工艺,在退火态42CrMo钢表面制备了WC/Ni60涂层,涂层经处理后形成345~520 μm的有效致密层,并通过超景深显微镜、X射线衍射仪、显微硬度计及摩擦磨损试验机对涂层的微观组织和力学性能进行分析。结果表明,电接触强化处理显著细化WC/Ni60涂层的晶粒,提高涂层的致密性。电接触强化处理后,涂层中生成了W₂C、Cr₇C₃、Cr₂₃C₆等硬质相,涂层显微硬度从电接触强化前的600~650 HV0.2提高至700~900 HV0.2。电接触强化后涂层耐磨性表现优异,10 h磨损试验后,其磨损量分别仅为未强化涂层和42CrMo钢基体的18%和13%,耐磨性分别提升了5.6倍和7.7倍。

关键词: 高频感应熔覆, 电接触强化, WC/Ni60涂层, 组织, 显微硬度, 耐磨性

Abstract: A WC/Ni60 coating with an effective dense layer thickness of 345-520 μm was fabricated on annealed 42CrMo steel by high-frequency induction cladding combined with electric contact strengthening. The microstructure and mechanical properties of the coating were analyzed using a super-depth-of-field microscope, X-ray diffractometer, microhardness tester, and friction wear testing machine. The results show that the electrical contact strengthening treatment significantly refines the grain size of the WC/Ni60 coating and improves the density of the coating. After electric contact strengthening, new hard phases such as W₂C, Cr₇C₃, and Cr₂₃C₆ are formed in the coating, and the microhardness of the coating increases from 600-650 HV0.2 to 700-900 HV0.2. The wear resistance of the coating after electric contact strengthening is outstanding, with the wear mass loss after 10 h of testing being only 18% and 13% of that of the non-strengthened coating and 42CrMo steel substrate, respectively, indicating a 5.6 and 7.7 times improvement in wear resistance.

Key words: high-frequency induction cladding, electric contact strengthening, WC/Ni60 coating, microstructure, microhardness, wear resistance

中图分类号:

TG174.44

毕雅萱, 赵帅. 高频感应熔覆-电接触强化复合工艺制备WC/Ni60涂层的组织与性能[J]. 金属热处理, 2026, 51(2): 334-339.

Bi Yaxuan, Zhao Shuai. Microstructure and properties of WC/Ni60 coating prepared by high-frequency induction cladding and electric contact strengthening composite process[J]. Heat Treatment of Metals, 2026, 51(2): 334-339.

参考文献

[1] 张琦, 张秀芬, 蔚刚. 磨损失效零件激光增材再制造性神经网络量化评价方法[J]. 中国表面工程, 2022, 35(6): 244-256.
Zhang Qi, Zhang Xiufen, Yu Gang. Quantitative evaluation of wear failure part's remanufacturability for laser additive remanufacturing based on neural network[J]. Lubrication Engineering, 2022, 35(6): 244-256.
[2] 李云峰, 石岩. 激光熔覆耐磨耐冲击复合涂层组织与性能研究[J]. 机械工程学报, 2021, 57(12): 237-246.
Li Yunfeng, Shi Yan. Investigation on microstructure and performance of wear-resistant and impact-resistant composite coating produced by laser cladding[J]. Journal of Mechanical Engineering, 2021, 57(12): 237-246.
[3] 赵帅. 表面微弧处理对QT600-3组织及性能的影响研究[J]. 材料保护, 2021, 54(2): 113-117, 121.
Zhao Shuai. Effects of micro arc strengthening on microstructure and properties of QT600-3[J]. Materials Protection, 2021, 54(2): 113-117, 121.
[4] Li Guijing, Ma Yuanyuan, Zhang Xiaolong. Interface strengthening and fracture characteristics of the Ag-based contact materials reinforced with nanoporous SnO₂(Cu, CuO) phases[J]. Applied Surface Science, 2021, 543: 148812.
[5] 李海宁, 张周周, 刘佳, 等. 缸筒内壁高频感应熔覆铜合金温度场的数值模拟与试验研究[J]. 热加工工艺, 2025(4): 32-37.
Li Haining, Zhang Zhouzhou, Liu Jia, et al. Numerical simulation and experimental study on temperature field of high frequency induction cladding copper alloy on inner wall of cylinder[J]. Hot Working Technology, 2025(4): 32-37.
[6] 黄本生, 陈灵芝, 吴松松, 等. CeO₂改性对感应熔覆自润滑复合涂层性能的影响[J]. 材料热处理学报, 2021, 42(12): 151-158.
Huang Bensheng, Chen Lingzhi, Wu Songsong, et al. Effect of CeO₂ modification on properties of induction cladding self-lubricating composite coatings[J]. Transactions of Materials and Heat Treatment, 2021, 42(12): 151-158.
[7] 董建伟, 郭岩宝, 王德国, 等. 高频感应熔覆NiTiFe合金涂层摩擦学性能研究[J]. 润滑与密封, 2024, 49(2): 11-18.
[8] 翟昌民. 高频感应熔覆WC/Ni60复合涂层工艺与性能研究[D]. 青岛: 中国石油大学(华东), 2021.
[9] Sun Ze, Zhu Shigen, Dong Weiwei, et al. Characteristic comparison of stacked WC-based coatings prepared by high-velocity oxygen-fuel spray and electric contact strengthening[J]. Surface and Coatings Technology, 2021, 421: 127289.
[10] 李志宏, 丁浩, 朱世根. 电接触强化对Ni/Cu复合镀层组织与性能的影响[J]. 金属热处理, 2020, 45(8): 228-232.
Li Zhihong, Ding Hao, Zhu Shigen. Effect of electrical contact strengthening on microstructure and properties of Ni/Cu composite coatings[J]. Heat Treatment of Metals, 2020, 45(8): 228-232.
[11] Sun Z, Zhu S, Dong W, et al. Densification during the formation of WC-based coating prepared by electric contact strengthening[J]. Ceramics International, 2021, 47(12): 16441-16449.
[12] Wang B, Zhang Y, Tian B, et al. Nanoscale precipitates evolution and strengthening mechanism of the aged Cu-Mg-Fe-Sn-P-Y electrical contact wire[J]. Journal of Materials Research and Technology, 2020, 9(3): 6352-6359.
[13] 丁浩, 周珊, 朱世根. 基于电接触强化的铝合金表面电刷镀镍层改性研究[J]. 电镀与涂饰, 2024, 43(3): 41-47.
Ding Hao, Zhou Shan, Zhu Shigen. Study on modification of electrobrush-plated nickel coating on aluminum alloy by electrical contact strengthening[J]. Electroplating and Finishing, 2024, 43(3): 41-47.
[14] 王旭东, 周友龙, 陈昊宇, 等. 火焰喷焊制备风机叶片Ni基WC涂层的耐磨耐蚀性研究[J]. 材料保护, 2024, 57(12): 27-34.
Wang Xudong, Zhou Youlong, Chen Haoyu, et al. Study on the wear resistance and corrosion resistance of Ni-based WC coatings on wind turbine blades prepared by flame spray welding[J]. Materials Protection, 2024, 57(12): 27-34.
[15] 赵帅, 毕雅萱, 许新军. 42CrMo钢表面高频感应熔覆微米WC-12Co涂层组织及性能的研究[J]. 热加工工艺, 2017, 46(4): 155-157.
Zhao Shuai, Bi Yaxuan, Xu Xinjun. Study on microstructure and properties of micron WC-12Co coating on surface of 42CrMo steel prepared by high frequency induction heating sintering[J]. Hot Working Technology, 2017, 46(4): 155-157.