Wire based additive layer manufacturing: Comparison of microstructure and mechanical properties of Ti-6Al-4V components fabricated by laser-beam deposition and shaped metal deposition

被引：490

作者：

Baufeld, Bernd ^{[1
]}

Brandl, Erhard ^{[2
]}

van der Biest, Omer ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Dept Met & Mat Engn, Louvain, Belgium

[2] EADS Innovat Works Metall Technol & Surface Engn, Munich, Germany

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2011年 / 211卷 / 06期

关键词：

Additive layer manufacturing; Shaped metal deposition (SMD); Laser beam melting; Ti-6Al-4V; Ultimate tensile strength; High cycle fatigue; POWER DIODE-LASER; PART II; TITANIUM; EVOLUTION;

D O I：

10.1016/j.jmatprotec.2011.01.018

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

The microstructure and the mechanical properties of Ti-6Al-4V components, fabricated by two different wire based additive layer manufacturing techniques, namely laser-beam deposition and shaped metal deposition, are presented. Both techniques resulted in dense components with lamellar alpha/beta microstructure. Large ultimate tensile strength values between 900 and 1000 MPa were observed. The strain at failure strongly depends on the orientation, where highest values up to 19% were obtained in direction of the building direction. Heat treatment increased the highest strain at failure up to 22%. The fatigue limit was observed to be higher than 770 MPa. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1146 / 1158

页数：13

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