Microstructural Characterization and Mechanical Performance of Hot Work Tool Steel Processed by Selective Laser Melting

被引：140
作者：
Holzweissig, Martin Joachim [1 ]
Taube, Alexander [1 ,2 ]
Brenne, Florian [1 ,2 ]
Schaper, Mirko [1 ]
Niendorf, Thomas [3 ]
机构：
[1] Univ Paderborn, Lehrstuhl Werkstoffkunde Mat Sci, D-33095 Paderborn, Germany
[2] DMRC, D-33098 Paderborn, Germany
[3] Tech Univ Bergakad Freiberg, Inst Mat Engn, D-09599 Freiberg, Germany
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2015年 / 46卷 / 02期
关键词：
MARTENSITE; SLM;
D O I：
10.1007/s11663-014-0267-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructural characterization of hot work tool steel processed by selective laser melting was carried out. The findings shed light on the interrelationship between processing parameters and the microstructural evolution. It was found that the microstructure after layer-wise processing partially consists of metastable-retained austenite which transforms to martensite in a subsequent tensile test. This improves the mechanical properties of the hot work tool steel enabling direct application. (C) The Minerals, Metals & Materials Society and ASM International 2015
引用
收藏
页码：545 / 549
页数：5
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