[1]李静娇,李凤蛟*,杨翠蕾,等.doi: 10.3969/j.issn.1001-3849.2025.07.002机械轴承的表面改性与耐蚀耐磨性能研究[J].电镀与精饰,2025,(07):0.
　Li Jingjiao,Li Fengjiao *,Yang Cuilei,et al.Research on surface modification and corrosion & wear resistance of mechanical bearings[J].Plating & Finishing,2025,(07):0.
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doi: 10.3969/j.issn.1001-3849.2025.07.002机械轴承的表面改性与耐蚀耐磨性能研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年07
页码:
0
栏目:
出版日期:
2025-07-31

文章信息/Info

Title:
Research on surface modification and corrosion & wear resistance of mechanical bearings
作者:
李静娇1; 李凤蛟1*; 杨翠蕾1; 王玉彩1; 王 聪2; 李超峰3
(1. 石家庄铁路职业技术学院,河北 石家庄,050041;2. 河北科技大学 理学院,河北 石家庄 050018 ;3. 河北工业大学 材料科学与工程学院,天津 300401)
Author(s):
Li Jingjiao1;  Li Fengjiao1 *;  Yang Cuilei1;  Wang Yucai1;  Wang Cong2;  Li Chaofeng3
(1. Shijiazhuang Institute of Railway Technology, Shijiazhuang 050041, China; 2 College of Science, Hebei University of Science and Technology, Shijiazhuang 050018, China; 3. School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300401, China)
关键词:
机械轴承钢; 双辉等离子改性; 植被温度; 耐磨性; 耐蚀性
Keywords:
mechanical bearing steel;  double glow plasma modification;  synthesis temperature;  wear resistance;  corrosion resistance
文献标志码:
A
摘要:
为提高机械轴承的表面耐蚀性能和耐磨性能，采用双辉等离子改性技术在机械轴承钢表面制备了Ta过渡层和SiC表面层形成的改性层，研究了制备温度对改性层表面和截面形貌、物相组成、耐磨和耐蚀性能的影响。结果表明，制备温度的升高会使表面改性层从花瓣状形态向颗粒堆积形态演变；温度为725 ℃～875 ℃时，双辉等离子改性技术在机械轴承钢基体表面都成功制备了Ta过渡层和SiC表面层构成的改性层，但是改性层厚度和内部质量存在一定差异。机械轴承基体的摩擦曲线波动幅度较大且摩擦系数较高，而改性层的摩擦系数相对波动幅度较小、平均摩擦系数降低；随着温度从725 ℃增加至875 ℃，改性层的磨损体积、比磨损率和腐蚀电流密度先减少后增加，在温度为775 ℃时获得磨损体积、比磨损率和腐蚀电流密度最小值，分别为2.13×103 mm 3、5.16×105 mm 3/(N·m)和1.92×106 A/cm 2，此时改性层具有最佳的耐磨和耐蚀性能。
Abstract:
In order to improve the surface corrosion resistance and wear resistance of mechanical bearings, a modified layer formed by Ta transition layer and SiC surface layer was prepared on the surface of mechanical bearing steel using dual glow plasma modification technology. The influence of synthesis temperature on the surface and cross-sectional morphology, phase composition, wear resistance and corrosion resistance of the modified layer was studied. The results indicate that an increase in synthesis temperature will cause the surface modified layer to evolve from a petal like morphology to a particle stacking morphology; When the synthesis temperature is between 725 ℃ and 875 ℃, the dual glow plasma modification technology has successfully prepared a modified layer of Ta transition layer+SiC surface layer on the surface of the mechanical bearing steel substrate. However, there are certain differences in the thickness and internal quality of the modified layer. The friction curve of the mechanical bearing substrate fluctuates greatly and has a high friction coefficient, while the friction coefficient of the modified layer fluctuates relatively small and the average friction coefficient decreases; As the synthesis temperature increased from 725 ℃ to 875 ℃, the wear volume and specific wear of the modified layer first decreased and then increased, the corrosion potential shifted positively and then negatively, and the corrosion current density first decreased and then increased. The minimum values of wear volume, specific wear rate and corrosion current density were obtained at a synthesis temperature of 775 ℃, which were 2.13×103 mm3, 5.16×105 mm3/(N·m) and 1.92×106 A/cm2, respectively. At this time, the modified layer had the best wear and corrosion resistance

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更新日期/Last Update: 2025-07-08