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

被引：1

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

页码：70 / 74

页数：5

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