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在滑板燃烧后,C45钢样本表面层的选择性质
Agnieszka Skoczylas1, Mariusz Kłonica1
1Department of Production Engineering, Mechanical Engineering Faculty, Lublin University of Technology, 20-618 Lublin, Poland.
Materials (Basel, Switzerland)
|October 14, 2023
概括
滑板打磨显著改善C45钢的表面性能. 机床流体的选择影响表面粗度,微硬度和耐磨性,油,聚甲基甲基酸和二硫化物混合物产生最佳结果.
科学领域:
- 材料科学与工程 材料科学与工程
- 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:
- 幻灯片打磨是一种完善表面质地和机械性能的成品工艺.
- 了解加工流体的影响对于优化烧焦结果至关重要.
- C45钢是一种常见的工程材料,需要在苛刻的应用中提高表面特性.
研究的目的:
- 为了研究不同加工流体在C45钢的滑板烧焦后对表面性能的影响.
- 为了评估2D/3D表面粗度,地形,微硬度和表面自由能量的变化.
- 为了确定最佳的加工流体,以提高表面功能和耐磨性.
主要方法:
- 使用预C45钢样本进行实验研究.
- 用各种加工流体进行滑板磨的应用.
- 分析表面参数,包括Ra,Rt,Rpk,Rk,Rvk,Abbott-Firestone曲线,微硬度和表面自由能量 (SFE).
主要成果:
- 与研磨相比,滑板抛光减少了Ra的8倍以上,Rt的5倍以上.
- 参数Rpk,Rk和Rvk下降,而材料比率Smr增加,表明耐磨性得到改善.
- 微硬度增加了高达25%,硬化层厚度为20微米.
- 油 + 聚甲基甲酸 (PMM) + 二硫化物 (MoS2) 的混合物提供了最有利的表面性能.
结论:
- 滑板抛光显著提高C45钢的表面质量和机械性能.
- 机床流体的选择极大地影响了滑板磨的有效性.
- 油,PMM和MoS2的组合为 tribological 应用提供了卓越的性能.
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