扫描速度对Rockit 606涂层的微观结构和磨损性能的影响
Tianqing Li1, Zhiwei Bi1, Yucheng Lei1
1School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China.
Materials (Basel, Switzerland)
|October 16, 2024
概括
这项研究表明,Rockit 606激光覆盖增强了用于农业机械的60Si2Mn钢的耐磨性和耐腐蚀性. 最佳的扫描速度提高了硬度,减少了摩擦和磨损.
科学领域:
- 材料科学 材料科学 材料科学
- 表面工程是什么?表面工程是什么?
- 部落学 (tribology) 是一个学科.
背景情况:
- 60Si2Mn钢对农业机械至关重要,但其耐磨性和耐腐蚀性需要改进.
- 罗基特606涂料显示了增强表面性能的潜力.
- 对于60Si2Mn钢的Rockit 606激光涂层存在有限的研究.
研究的目的:
- 为了研究Rockit 606激光覆盖层在60Si2Mn钢上的微观结构和特性.
- 为了评估扫描速度对涂层特性的影响.
- 为了评估耐磨性和耐腐蚀性改进.
主要方法:
- 激光覆盖被用于在60Si2Mn钢上沉积Rockit 606涂层.
- 使用SEM和XRD分析了微结构和相分布.
- 测量了微硬度,摩擦,磨损和耐腐蚀性.
主要成果:
- 涂层的微观结构包括γ-Fe,V8C7和Cr7C3相.
- 微硬度随着扫描速度的增加而下降,在4mm/s (3x基板) 时达到867.2 HV.
- 较低的扫描速度降低了摩擦系数和磨损率,氧化和粘合剂磨损的速度为4mm/s.
- 耐腐蚀性显著改善,自我腐蚀电流密度降低了一级.
结论:
- 罗基特606激光层有效地提高了60Si2Mn钢的耐磨性和耐腐蚀性.
- 扫描速度是影响涂层硬度,摩擦和磨损的关键参数.
- 开发的涂层为农业机械应用提供了卓越的性能.
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