玻璃粉改性Ni60复合涂层的制备及其摩擦磨损性能

兰州理工大学学报 ›› 2024, Vol. 50 ›› Issue (3): 14-20.

玻璃粉改性Ni60复合涂层的制备及其摩擦磨损性能

温鸿武^*1, 余伦², 张鹏¹, 陈绍娟¹, 李福顺¹, 韩彦兵²

1.甘肃省科工建设集团有限公司, 甘肃兰州 730070;
2.兰州理工大学材料科学与工程学院, 甘肃兰州 730050

收稿日期:2024-03-31 出版日期:2024-06-28 发布日期:2024-07-02
通讯作者: 温鸿武(1970-),男,甘肃天水人,高级工程师.Email:357512327@qq.com
基金资助:
甘肃省自然科学基金(20JR5RA471)

Preparation and tribological properties of Ni60 composite coating modified with glass powder

WEN Hong-wu¹, YU Lun², ZHANG Peng¹, CHEN Shao-juan¹ LI Fu-shun¹, HAN Yan-bing²

1. Gansu Science and Industry Construction Group Co. Ltd., Lanzhou 730070, China;
2. School of Materials Science and Engineering, Lanzhou Univ. of Tech., Lanzhou 730050, China

Received:2024-03-31 Online:2024-06-28 Published:2024-07-02

摘要/Abstract

摘要： 采用火焰喷涂技术在45钢表面制备了Ni基合金/玻璃粉复合涂层,通过扫描电镜(SEM)、能谱分析(EDS)、X射线衍射(XRD)、显微硬度分析以及销-盘式摩擦磨损试验等方法,研究了玻璃粉添加量对Ni基合金涂层微观结构、物相组成、硬度及摩擦学性能的影响.结果表明:随着玻璃粉含量的增加,复合涂层的显微硬度值呈现先升高后降低的趋势,最高达到681 HV_0.2.复合涂层的摩擦系数和体积磨损率均呈现先降低后升高的趋势.10%玻璃粉添加量的复合涂层摩擦系数低至0.13,磨损率低至0.21×10^－5 mm³/(N·m).表明适量玻璃粉的添加有利于Ni基合金涂层摩擦学性能的改善.

关键词: 火焰喷涂, 镍基涂层, 玻璃粉, 摩擦学性能

Abstract: The nickel-based alloy/glass powder composite coating was prepared on the surface of 45 steel by flame spraying technology. The coating was analyzed by scanning electron microscopy (SEM), energy spectrum analysis (EDS), X-ray diffraction analysis (XRD), microhardness analysis and pin-disk friction wear test. The effects of the amount of glass powder on the microstructure, phase composition, hardness and tribological properties of the nickel-based coating were studied. The results showed that the microhardness of the composite coating increases first and then decreases with the increase of glass powder content, and the maximum hardness reach 681 HV_0.2. The friction coefficient and volume wear rate of the composite coating decrease first and then increase. The friction coefficient of the composite coating with 10% glass powder addition is as low as 0.13, and the wear rate is as low as 0.21×10^－5 mm³/(N·m),which show that the addition of appropriate glass powder is beneficial to the improvement of the tribological properties of thenickel-based alloy coating.

Key words: flame sprayed, nickel-based coating, glass powder, tribological properties

中图分类号:

TG146

温鸿武, 余伦, 张鹏, 陈绍娟, 李福顺, 韩彦兵. 玻璃粉改性Ni60复合涂层的制备及其摩擦磨损性能[J]. 兰州理工大学学报, 2024, 50(3): 14-20.

WEN Hong-wu, YU Lun, ZHANG Peng, CHEN Shao-juan LI Fu-shun, HAN Yan-bing. Preparation and tribological properties of Ni60 composite coating modified with glass powder[J]. Journal of Lanzhou University of Technology, 2024, 50(3): 14-20.

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