Lubricating property of cast iron combined with two-scale unit structure by biomimetic laser treatment

被引：6
|
作者：
Sui, Qi [1 ]
Zhou, Hong [1 ]
Yang, Lin [1 ]
Liang, Gaoyuan [1 ]
Zhang, Haifeng [1 ,2 ]
Zhang, Peng [1 ]
Chen, Zhikai [3 ]
机构：
[1] Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130025, Jilin, Peoples R China
[2] Changchun Univ, Dept Mech & Automot Engn, Changchun 130025, Jilin, Peoples R China
[3] Acad Xuzhou Construct Machinery, Xuzhou Construct Machinery Grp, Xuzhou 221004, Jiangsu, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2018年 / 117卷
基金：
中国国家自然科学基金;
关键词：
Two-step laser treatment; Two-scale unit structure; Lubricating property; THERMAL FATIGUE BEHAVIOR; H13 DIE STEEL; NONSMOOTH SURFACE; RESIDUAL-STRESSES; WEAR-RESISTANCE;
D O I：
10.1016/j.triboint.2017.08.026
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A damaged surface with a residual hardened layer was observed on a failure guide surface. Using a two-step laser treatment, a two-scale unit structure with a different spacing was distributed on the failure surface to form a biomimetic surface to recover its property/function. A theoretical equation describing the relationship between the wear resistance increase rate of biomimetic samples and the spacing between units was formulated in this study. In addition, finite element (FE) method was used to analyze the lubricating property of biomimetic surface and the effect of the distribution of units on the sliding wear resistance. Moreover, the dynamic cycle wear process of the biomimetic surface similar to the flexion and extension movement of earthworms in soil was analyzed.
引用
收藏
页码：180 / 188
页数：9
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