Multi-material laser powder bed fusion additive manufacturing in 3-dimensions

被引：38

作者：

Walker, Joseph ^{[1
]}

Middendorf, John R. ^{[1
]}

Lesko, Cherish C. C. ^{[2
]}

Gockel, Joy ^{[2
]}

机构：

[1] Open Addit LLC, 2750-A Indian Ripple Rd, Beavercreek, OH 45440 USA

[2] Wright State Univ, 3640 Colonel Glenn Hwy, Dayton, OH 45435 USA

来源：

MANUFACTURING LETTERS | 2022年 / 31卷

关键词：

Additive manufacturing; Laser powder bed fusion; Functionally graded materials; Machine design; Multi-material;

D O I：

10.1016/j.mfglet.2021.07.011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Functionally grading material composition in laser powder bed fusion (LPBF) provides the potential for complex components with spatially tailored properties. Novel LPBF machine technology is described addressing a combination of the significant challenges for multiple material fabrication including grading in both the vertical and horizontal directions, clearing of unwanted powder compositions from previous layers, local processing parameter changes, grading of materials with disparate melting temperature and demonstration of complex geometries with graded composition. Multi-directional graded composition components are presented for titanium to tantalum and nickel-based superalloy 718 to copper-alloy GRCop-42, demonstrating the potential for tailored, location specific functionality. (C) 2021 Society of Manufacturing Engineers (SME). Published by Elsevier Ltd. All rights reserved.

引用

页码：74 / 77

页数：4

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