Mechanical properties and microstructure characteristics of 2024-T351 aluminum alloy specimen subjected to paint removal by laser cleaning

被引：13
作者：
Sun, Qi [1 ]
Zhou, Jianzhong [1 ]
Meng, Xiankai [1 ]
Li, Pengfei [1 ]
机构：
[1] Jiangsu Univ, Sch Mech Engn, Zhenjiang 212013, Peoples R China
来源：
VACUUM | 2023年 / 211卷
关键词：
Laser cleaning; 2024-T351 aluminum alloy; Microstructure; Microhardness; Tensile properties;
D O I：
10.1016/j.vacuum.2023.111927
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, the mechanical properties and microstructure characteristics of 2024-T351 aluminum alloy specimen subjected to paint removal by laser cleaning were explored. The measurement of surface microhardness and tensile properties of the samples were performed before and after laser cleaning. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were used to inspect the microstructural characteristics. Compared with the untreated sample, the results of experiment indicated that the surface microhardness and tensile strength of the specimen treated by laser clearing increased by 10.6% and 8.4%, respectively. Additionally, grain refinement and dislocation proliferation induced in the laser cleaning process have a critical contribution to enhancing the microhardness and tensile properties of 2024-T351 aluminum alloy.
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页数：6
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