Strain rate and temperature effects on stress-strain behaviour of cast high alloyed CrMnNi-steel

被引：13
|
作者：
Krueger, L. [1 ]
Wolf, S. [1 ]
Martin, U. [2 ]
Scheller, P. [3 ]
Jahn, A. [3 ]
Weiss, A. [3 ]
机构：
[1] Tech Univ Bergakad Freiberg, Inst Mat Engn, D-09599 Freiberg, Germany
[2] Tech Univ Bergakad Freiberg, Inst Mat Sci, D-09599 Freiberg, Germany
[3] Tech Univ Bergakad Freiberg, Inst Iron & Steel Technol, D-09599 Freiberg, Germany
来源：
DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 2 | 2009年
关键词：
AUSTENITIC STAINLESS-STEELS; DEFORMATION-INDUCED MARTENSITE; STACKING-FAULT ENERGY; MECHANICAL-PROPERTIES; TRANSFORMATION; TRIP; AL;
D O I：
10.1051/dymat/2009149
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cast high alloyed metastable austenitic CrMnNi-TRIP-steels are rather novel corrosion resistant materials and still under development. Due to the transformation-induced plasticity effect (TRIP) high stresses combined with high ductility can be achieved up to high strain rates of 10(3) l/s. Deformation temperatures and strain rate influence the martensitic phase transformation rate during plastic deformation and have a strong effect on achieved strength and failure properties. Despite the cast coarse grained microstructure, a high energy consumption up to crash relevant strain rates is reached due to the pronounced TRIP-effect.
引用
收藏
页码：1069 / +
页数：2
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