Chen Wenju*,Li Bo,Zhou Shengjie.Preparation and friction and wear properties of diamond-like carbon films[J].Plating & Finishing,2024,(6):8-16.[doi:10.3969/j.issn.1001-3849.2024.06.002]
类金刚石膜层制备及摩擦磨损性能
- Title:
- Preparation and friction and wear properties of diamond-like carbon films
- Keywords:
- diamond-like carbon film ; gradient transition ; binding force ; wear resistance and lubrication performance
- 分类号:
- TG174.444
- 文献标志码:
- A
- 摘要:
- 为解决某型扭力臂轴及配合衬套的磨损问题，使用磁控溅射和等离子增强化学气相沉积技术，在 30CrMnSiNi2A 表面制备了渐变过渡结构的类金刚石膜层（ DLC ）。使用球磨法、纳米压痕法、划痕法测量 DLC 膜层性能，膜厚为 4.3 μ m ，硬度 ≥ 1900 HV ，膜基结合力 ≥ 30 N 。经过滑动磨损测试，膜层摩擦系数 ≤ 0.2 ，摩擦磨损率 ≤ 2×10 -6 mm 3 ·r -1 。经过 20000 转次耐磨测试，与硬铬镀层的扭力臂轴对比， DLC 膜层配合衬套的磨损量远低于硬铬镀层配合衬套，可满足扭力臂轴耐磨润滑需求。
- Abstract:
- ： To solve the wear problem of torsion arm shaft and sleeve ， diamond-like carbon film （ DLC ） with a gradual transition structure was prepared on the surface of 30CrMnSiNi2A using magnetron sputtering and plasma enhanced chemical vapor deposition technology. The performance of DLC film w as measured using ball milling ， nano-indentation and scratch methods ， with a film thickness of 4.3 μ m. The hardness was higher than 1900 HV ， and the binding force between the film and substrate was higher than 30 N. By sliding wear test ， the friction coefficient of the film was less than 0.2 ， and the friction and wear rate was less than 2×10 -6 mm 3 ·r -1 . Through 20000 revolutions of wear resistance testing ， compared with the torsion arm shaft of hard chromium coating ， the wear amount of DLC film matching sleeve was much lower than that of hard chromium coating matching sleeve ， which could meet the wear and lubrication requirements of the torque arm shaft.
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备注/Memo
收稿日期： 2023-09-23 修回日期： 2023-11-07 * 通信作者： 陈文举（ 1982 —），男，大学本科（学士），高级工程师，主要从事飞机起落架特种工艺及理化检测相关研究工作， email ： 363393461@qq.com?/html>