Microstructure and mechanical property considerations in additive manufacturing of aluminum alloys

被引：118

作者：

Ding, Y. ^{[1
]}

Muniz-Lerma, J. A. ^{[1
]}

Trask, M. ^{[1
]}

Chou, S. ^{[1
]}

Walker, A. ^{[1
]}

Brochu, M. ^{[2
]}

机构：

[1] McGill Univ, Aluminum Res Ctr REGAL, Dept Min & Mat Engn, Montreal, PQ H3A 2T5, Canada

[2] McGill Univ, Dept Min & Mat Engn, Montreal, PQ H3A 2T5, Canada

来源：

MRS BULLETIN | 2016年 / 41卷 / 10期

关键词：

AL-12SI ALLOY; LASER; AL; EVOLUTION; DENSIFICATION; FABRICATION; COMPONENTS; PRESSURE; POWDERS; MG;

D O I：

10.1557/mrs.2016.214

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Aluminum alloys are in high demand for additive manufacturing (AM) processing. However, the physical properties of Al alloys are less favorable for the production of repeatable and reliable parts, with factors such as surface oxide scales, high thermal conductivity, and large solidification shrinkage. Despite these characteristics, processing strategies have been developed to overcome these hurdles. The objective of this article is to highlight the different microstructure-processing-properties characteristics for the three main families of aluminum alloys: pure, casting, and wrought chemistries. The article focuses on AM processes involving solidification, including powder bed and direct energy deposition for both powder and wire feedstock.

引用

页码：745 / 751

页数：7

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