Effect of hardness gradient of laser bionic coupling unit on wear resistance of 6082 aluminum alloy

被引：15

作者：

Zhao, Guoping ^{[1
,2
]}

Yuan, Yuhuan ^{[4
]}

Zhang, Peng ^{[3
]}

Zhou, Ti ^{[3
]}

Wang, Haowei ^{[1
]}

Li, Xianfeng ^{[1
]}

Zhou, Hong ^{[3
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China

[2] Anhui Prov Engn Res Ctr Aluminum Matrix Composites, Huaibei 235000, Peoples R China

[3] Jilin Univ, Sch Mat Sci & Technol, Changchun 130025, Peoples R China

[4] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2022年 / 153卷

基金：

中国国家自然科学基金;

关键词：

Aluminum alloy; Laser; Biomimetic unit; Hardness gradient; Wear; MECHANICAL-PROPERTIES; MODEL;

D O I：

10.1016/j.optlastec.2022.108172

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Different hardness units were processed by laser melting according to the study and observation of wear-resistant surfaces of shells. Then a biomimetic 6082 aluminum alloy surface consisting of various hardness gradient units was formed to simulate the non-smooth surface of natural organisms. The influence of unit hardness gradient on wear resistance was discussed. Wear test showed the bionic units positively affected the wear resistance of samples. Experiment showed the wear resistance of bionic samples with units of three hardness gradients was the highest.At the same time, The bionic wear-resistant mechanism of "soft and hard phases" was deeply analyzed and discussed.

引用

页数：10

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