Steel showing twinning-induced plasticity processed by selective laser melting - An additively manufactured high performance material

被引：53
作者：
Niendorf, T. [1 ]
Brenne, F. [1 ,2 ]
机构：
[1] Univ Paderborn, Lehrstuhl Werkstoffkunde Mat Sci, D-33098 Paderborn, Germany
[2] DMRC, D-33098 Paderborn, Germany
来源：
MATERIALS CHARACTERIZATION | 2013年 / 85卷
关键词：
High-manganese steel; Microstructure; Additive manufacturing; Mechanical properties; Strength and ductility; DEFORMATION-BEHAVIOR; TWIP STEEL; GRAIN-SIZE; MICROSTRUCTURE; ORIENTATION; STAINLESS; TEXTURE;
D O I：
10.1016/j.matchar.2013.08.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Austenitic high-manganese steel showing twinning-induced plasticity has been processed by selective laser melting. In the as-built condition without any post-processing the steel shows excellent mechanical properties featuring high strength, good ductility and extraordinary strain hardening. Microstructural analyses revealed a fully austenitic microstructure upon processing exhibiting elongated grains and a pronounced texture. Deformation twins are observed upon tensile testing, proving that additive manufacturing is well suited for processing of high-manganese steels. (C) 2013 Elsevier Inc. All rights reserved.
引用
收藏
页码：57 / 63
页数：7
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