Effect of interlayer rapid cooling on the microstructure and properties of aluminum alloys produced by wire arc additive manufacturing

被引：3
作者：
Sun, Guorui [1 ]
Sun, Xiaoyu [1 ]
Zhao, Xiaohui [1 ]
Chen, Chao [1 ]
机构：
[1] Jilin Univ, Sch Mat Sci & Engn, Key Lab Automobile Mat, Changchun 130025, Peoples R China
来源：
MANUFACTURING LETTERS | 2024年 / 40卷
关键词：
Aluminum alloy; Wire arc additive manufacturing; Rapid cooling; Double pulse; Microstructure; MECHANICAL-PROPERTIES;
D O I：
10.1016/j.mfglet.2024.03.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To reduce the impact of heat accumulation during additive manufacturing, this study used the dual-pulse GMAW-AM (Gas Metal Arc Welding-Additive Manufacturing) method for the preparation of aluminum silicon alloy components, and an interlayer rapid cooling device was designed for additive manufacturing. The results showed that the proportion of small-angle grain boundaries in the IRC-WAAM (Interlayer Rapid Cooling-Wire Arc Additive Manufacturing) component was 10.893% greater than that in the WAAM (Wire Arc Additive Manufacturing) component, and the proportion of small grains was greater. The hardness of the IRC-WAAM component in the bottom area increased by 12.65% compared to that of the WAAM component, and the hardness in the middle area increased by 15.16%. CO 2024 Society of Manufacturing Engineers (SME). Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：70 / 74
页数：5
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