高合金CoCrCuFeTi的微观结构和tribological行为通过摩擦处理加强SS304通过摩擦处理
N Radhika1, S Aravind Krishna2, Animesh Kumar Basak3
1Department of Mechanical Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore, India. n_radhika1@cb.amrita.edu.
Scientific reports
|February 14, 2024
概括
在不钢 (SS304) 中通过摩擦处理添加--铜-铁-高合金 (CoCrCuFeTi HEA),可显著提高耐磨性. 化SS304与HEA在各种测试条件下显示出更好的性能.
科学领域:
- 材料科学 材料科学 材料科学
- 部落学 (tribology) 是一个学科.
- 表面工程是什么?表面工程是什么?
背景情况:
- 表面修饰可以提高材料的性能,使其适用于苛刻的应用.
- 不钢 (SS304) 通常需要提高耐磨性.
- 高透合金 (HEAs) 为材料增强提供了独特的特性.
研究的目的:
- 通过使用摩擦处理,分析用CoCrCuFeTi HEA增强的SS304的三元学性能.
- 为了比较经过加工的SS304与HEA的耐磨性,与经过热的样本进行比较.
- 研究HEA增强对SS304.4的微观结构和硬度的影响.
主要方法:
- 球磨CoCrCuFeTi HEA以获得体中心立方 (BCC) 阶段粒子.
- 摩擦处理以加强SS304的CrCuFeTi HEA.
- 处理样品的化,以实现谷物精炼和纳米级谷物.
- 在不同的负载,滑动速度和滑动距离下进行针盘磨损测试.
- 使用显微镜分析磨损的表面,以确定磨损机制.
主要成果:
- 摩擦处理导致SS304.4中均的HEA分布和显著的谷物精炼.
- 化促进了纳米级的颗粒,导致了特殊的微硬度.
- 与加工的基样相比,SS304样本在火后使用HEA的耐磨性提高了29.8%至58.49%.
- 观察到的主要磨损机制是分层,磨损,粘附和氧化物层的形成.
结论:
- 与结合的摩擦处理是提高SS304.4的耐磨性的一种有效方法.
- CoCrCuFeTi HEA增强显著提高了SS304.4的三角学性能.
- 该研究为耐磨强度应用的表面修饰技术提供了宝贵的见解.
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