一项关于微观结构,机械性能和优化摩擦的磨损行为的研究处理AlCrCoFeNi高透合金加固SS410使用响应表面方法
S Ragunath1, N Radhika1, S Aravind Krishna1
1Department of Mechanical Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India.
Heliyon
|January 31, 2024
概括
使用摩擦处理 (FSP) 用AlCrCoFeNi高合金 (HEA) 粉末对SS410钢的表面修改显著改善了机械性能. 这种HEA涂层增强了微硬度和抗拉强度,同时优化了工业应用的耐磨性.
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?
- 机械工程 机械工程
背景情况:
- 对于工业应用,SS410钢需要增强的机械性能.
- 使用高透合金 (HEA) 的表面修饰提供了一个有前途的方法.
- 气体原子化和摩擦混合加工 (FSP) 是材料增强的先进技术.
研究的目的:
- 通过FSP,研究使用AlCrCoFeNi HEA粉末对SS410钢的表面修饰.
- 评估HEA结合对SS410钢的机械性能和磨损行为的影响.
- 通过响应表面方法来优化加工材料的磨损率.
主要方法:
- 合成AlCrCoFeNi HEA粉末的气体原子化合成.
- 使用摩擦处理 (FSP) 修改SS410钢的表面.
- 微硬度测试,拉伸强度测量和磨损率分析.
- 响应表面的方法和差异分析,用于优化和建模.
主要成果:
- 在FSP-HEA样本中,微硬度增加了41.3%,最终抗拉强度增加了39.1%.
- 观察到显著的粒度提炼至2.84μm,并观察到HEA颗粒的均分布.
- 优化的工艺参数导致了最小的磨损率,这归因于粒子刺激核化,霍尔-佩奇关系和动态再结晶.
结论:
- 通过FSP通过AlCrCoFeNi HEA对SS410钢的表面修改有效地提高了机械性能.
- 增强强度归因于谷物精炼和HEA颗粒的屏障效应.
- 优化的FSP参数和HEA的整合大大提高了耐磨性,使其适用于苛刻的工业场景.
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