高温下氮化硅陶瓷摩擦磨损性能的演变及机理研究

硅酸盐通报 ›› 2024, Vol. 43 ›› Issue (1): 302-311.

高温下氮化硅陶瓷摩擦磨损性能的演变及机理研究

刘文进¹, 周国相^{1, 2}, 杨治华^{1, 2}, 贾德昌¹

1.哈尔滨工业大学特种陶瓷研究所,哈尔滨 150006;
2.哈尔滨工业大学重庆研究院,重庆 401120

收稿日期:2023-05-22 修订日期:2023-09-14 出版日期:2024-01-15 发布日期:2024-01-16
通信作者: 杨治华,博士,研究员。E-mail:zhyang@hit.edu.cn
作者简介:刘文进(1993—),女。主要从事功能陶瓷方面的研究。E-mail:1227614254@qq.com

Evolution and Mechanism of Friction and Wear Properties of Silicon Nitride Ceramics at High Temperature

LIU Wenjin¹, ZHOU Guoxiang^1,2, YANG Zhihua^1,2, JIA Dechang¹

1. Institute for Advanced Ceramics, Harbin Institute of Technology, Harbin 150006, China;
2. Chongqing Research Institute, Harbin Institute of Technology, Chongqing 401120, China

Received:2023-05-22 Revised:2023-09-14 Online:2024-01-15 Published:2024-01-16

摘要/Abstract

摘要： Si₃N₄陶瓷因具有耐高温、耐腐蚀、耐磨损、高硬度等特点,在高温耐磨损领域的应用备受关注。本文研究了高温下Si₃N₄陶瓷与C/SiC陶瓷或GH214合金摩擦时的平面摩擦磨损性能及磨损机理。结果表明:Si₃N₄陶瓷和C/SiC陶瓷对磨时,随着温度升高,摩擦系数先增大后减小;当温度为1 200 ℃时,Si₃N₄陶瓷平均摩擦系数低于 0.4,且其磨损表面出现磨痕、磨粒和SiO₂氧化膜,磨损形式主要为磨粒磨损和氧化磨损。Si₃N₄陶瓷与GH214合金对磨时,随着温度升高,摩擦系数增大,陶瓷样品表面出现明显的金属氧化物层,其磨损形式主要为粘着磨损和氧化磨损。Si₃N₄陶瓷与两种对磨材料摩擦时,氧化磨损均产生氧化膜并对Si₃N₄陶瓷均有保护和润滑作用,可有效减少Si₃N₄陶瓷基体的磨损,提高Si₃N₄陶瓷的磨损使用寿命。

关键词: Si₃N₄陶瓷, 摩擦系数, 平面摩擦磨损, 磨损机制, 高温摩擦性能

Abstract: Si₃N₄ ceramics have attracted much attention in the field of high temperature wear resistance because of high temperature resistance, corrosion resistance, wear resistance and hardness. In this paper, the plane friction and wear properties and mechanism of Si₃N₄ ceramics when wearing with C/SiC ceramics or GH214 superalloy at high temperature were investigated. The results show that the friction coefficient of Si₃N₄ ceramics against C/SiC ceramics increases first and then decreases with the increase of temperature. The average friction coefficient of Si₃N₄ ceramics at 1 200 ℃ is lower than 0.4, and wear marks, wear particles and SiO₂ oxide film appear on wear surface. The wear forms are mainly abrasive grain wear and oxidation wear. When Si₃N₄ ceramics and GH214 superalloy are worn against each other, the friction coefficient increases with the increase of temperature. Meanwhile, obvious metal oxide layer is formed on the surface of ceramic samples, so the wear forms are mainly adhesive wear and oxidation wear. During the friction process of Si₃N₄ ceramics and two kinds of friction materials, the oxide film produced by oxidation wear has protective and lubricating effects on Si₃N₄ ceramics, which can effectively reduce the wear of Si₃N₄ ceramics matrix and improve the wear life of Si₃N₄ ceramics.

Key words: Si₃N₄ ceramics, friction coefficient, plane friction and wear, wear mechanism, high temperature friction property

中图分类号:

TQ175

刘文进, 周国相, 杨治华, 贾德昌. 高温下氮化硅陶瓷摩擦磨损性能的演变及机理研究[J]. 硅酸盐通报, 2024, 43(1): 302-311.

LIU Wenjin, ZHOU Guoxiang, YANG Zhihua, JIA Dechang. Evolution and Mechanism of Friction and Wear Properties of Silicon Nitride Ceramics at High Temperature[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2024, 43(1): 302-311.

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