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Study on tribological properties of surface concave convex micro-texture on the mold steel
Industrial Lubrication and Tribology ( IF 1.5 ) Pub Date : 2020-05-06 , DOI: 10.1108/ilt-03-2020-0081
Xiping Yang , Yonghong Fu , Jinghu Ji , Tianyang Chen , Caiyun Pan

The purpose of this paper is to describe the tribological characteristics with different area density of concave-convex micro-texture on the mold surface. It is a new technology to improve the quality of the workpiece to control the tribological properties through the application of concave-convex micro-texture on the mold surface.,Five groups of laser micro-texture with different area density (ratio of the concave-convex micro-texture area to the all-area) were processed on the surface of the mold steel, and the tribological properties were compared with the smooth surface of the reference sample.,The time of the running-in stage in different experimental groups was about 300 s. The fluctuation amplitude of concave-convex micro-texture friction coefficient is much larger than that of smooth plane specimen in the running-in stage. After the running-in stage, the friction coefficients were lower than that in the smooth condition and decreased with the increase of the concave-convex micro-texture area density. When the area density reached 25%, the friction coefficients no longer decreased significantly. In addition, the wear of concave-convex micro-texture surface is much lower than that of smooth surface and decreases with the increase of concave-convex micro-texture area density.,Domestic and foreign scholars have done a lot of research on the relationship between concave micro-texture and tribological properties. However, the object of this paper is a new concave-convex micro-texture, which is rarely studied in the field of tribology.,The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-03-2020-0081/

中文翻译:

模具钢表面凹凸微织构的摩擦学特性研究

本文的目的是描述模具表面凹凸微纹理不同面积密度的摩擦学特性。是一种通过在模具表面应用凹凸微织纹来控制摩擦学性能来提高工件质量的新技术。,五组不同面积密度(凹凸比例)的激光微织纹在模具钢表面加工凸微纹理区至全区),并与参考样品的光滑表面进行摩擦学性能比较,不同实验组的磨合阶段时间为约 300 秒。磨合阶段凹凸微织构摩擦系数的波动幅度远大于光滑平面试件的波动幅度。磨合阶段后,摩擦系数低于光滑状态,并随着凹凸微纹理面积密度的增加而降低。当面密度达到25%时,摩擦系数不再显着下降。此外,凹凸微纹理表面的磨损远低于光滑表面,并随着凹凸微纹理区域密度的增加而减小。国内外学者对两者的关系做了大量研究。凹微纹理和摩擦学特性之间的关系。然而,本文的对象是一种新的凹凸微纹理,在摩擦学领域很少研究。,本文的同行评审历史可在:https://publons.com/publon/10.1108 /ILT-03-2020-0081/ 摩擦系数低于光滑状态,并随着凹凸微纹理区域密度的增加而减小。当面密度达到25%时,摩擦系数不再显着下降。此外,凹凸微纹理表面的磨损远低于光滑表面的磨损,并随着凹凸微纹理区域密度的增加而减小。,国内外学者对其关系进行了大量研究凹微纹理和摩擦学特性之间的关系。然而,本文的对象是一种新的凹凸微纹理,在摩擦学领域很少研究。,本文的同行评审历史可在:https://publons.com/publon/10.1108 /ILT-03-2020-0081/ 摩擦系数低于光滑状态,并随着凹凸微纹理区域密度的增加而减小。当面密度达到25%时,摩擦系数不再显着下降。此外,凹凸微纹理表面的磨损远低于光滑表面,并随着凹凸微纹理区域密度的增加而减小。国内外学者对两者的关系做了大量研究。凹微纹理和摩擦学特性之间的关系。然而,本文的对象是一种新的凹凸微纹理,在摩擦学领域很少研究。,本文的同行评审历史可在:https://publons.com/publon/10.1108 /ILT-03-2020-0081/ 摩擦系数不再显着下降。此外,凹凸微纹理表面的磨损远低于光滑表面的磨损,并随着凹凸微纹理区域密度的增加而减小。,国内外学者对其关系进行了大量研究凹微纹理和摩擦学特性之间的关系。然而,本文的对象是一种新的凹凸微纹理,在摩擦学领域很少研究。,本文的同行评审历史可在:https://publons.com/publon/10.1108 /ILT-03-2020-0081/ 摩擦系数不再显着下降。此外,凹凸微纹理表面的磨损远低于光滑表面的磨损,并随着凹凸微纹理区域密度的增加而减小。,国内外学者对其关系进行了大量研究凹微纹理和摩擦学特性之间的关系。然而,本文的对象是一种新的凹凸微纹理,在摩擦学领域很少研究。,本文的同行评审历史可在:https://publons.com/publon/10.1108 /ILT-03-2020-0081/ 国内外学者对凹面微织构与摩擦学性能的关系进行了大量研究。然而,本文的对象是一种新的凹凸微纹理,在摩擦学领域很少研究。,本文的同行评审历史可在:https://publons.com/publon/10.1108 /ILT-03-2020-0081/ 国内外学者对凹面微织构与摩擦学性能的关系进行了大量研究。然而,本文的对象是一种新的凹凸微纹理,在摩擦学领域很少研究。,本文的同行评审历史可在:https://publons.com/publon/10.1108 /ILT-03-2020-0081/
更新日期:2020-05-06
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