高速钢的薄改性化层
Khrystyna Berladir1,2, Tetiana Hovorun1, František Botko2
1Department of Applied Materials Science and Technology of Constructional Materials, Faculty of Technical Systems and Energy Efficient Technologies, Sumy State University, 116, Kharkivska St., 40007 Sumy, Ukraine.
Materials (Basel, Switzerland)
|June 13, 2025
概括
离子等离子化增强了像AISI M2和AISI M41这样的高速钢. 最佳的参数产生高的马石,提高耐磨性和延长工具寿命.
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?
- 金工业是金工业的一个方面.
背景情况:
- 高速钢 (HSS) 对于切削工具至关重要,但对于苛刻的应用需要增强性能.
- 提高HSS的机械和 tribological性能对于延长工具使用寿命和降低制造成本至关重要.
研究的目的:
- 研究离子等离子化对AISI M2和AISI M41高速钢的结构,机械和 tribological 特性的影响.
- 确定最佳的化条件,以实现改性钢层的优质性能.
主要方法:
- 对AISI M2和AISI M41钢样进行了离子体化.
- 分析了相位组成,微硬度,耐磨性和层深度.
- 研究了结构转换,包括epsilon (ε) 和gamma prime (γ') 阶段的存在.
主要成果:
- 在最佳的化条件下 (480-520°C,长达1小时) 形成了一层硬化层 (25-40μm),其中含有高的马石和极少的过量化物.
- 微硬度增加到10-12 GPa,耐磨性显著改善.
- 形成 ε 和 γ' 阶段有助于增强强度和降低摩擦系数.
结论:
- 离子等离子化是一种有效的方法,可以提高高速钢的性能.
- 识别的化参数优化了有益相的形成,从而提高了机械和三元学性能.
- 这些发现支持HSS热处理工艺的进步,促进机械工程和金领域的切削工具和部件的使用寿命延长.
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