Effect of copper on the formation of strain-induced martensite in two austenitic stainless steels AISI 304

被引：10
作者：
Mamani Gilapa, Leonidas Cayo [1 ]
Silva de Oliveira, Carlos Augusto [2 ]
da Silva, Manoel Ribeiro [3 ]
机构：
[1] Inst Fed Santa Catarina, BR-89220200 Joinville, Sc, Brazil
[2] Univ Fed Santa Catarina, BR-88040970 Florianopolis, SC, Brazil
[3] Univ Fed Itajuba, Inst Ciencias, Itajuba, Brazil
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2015年 / 622卷
关键词：
Effect TRIP; Austenitic stainless steels; Martensitic transformations; TRANSFORMATION; DEFORMATION;
D O I：
10.1016/j.msea.2014.10.059
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The transformation of strain-induced martensite in two metastable austenitic stainless steels, AISI 304, with the same basic composition and concentrations of Cu variables was characterized by transmission electron microscopy and magnetic measurements. The deformations to induce the formation of martensite were performed using the test of conformability with Nakajima tooling at room temperature. The results obtained for the various samples showed that the steel with lower content of Cu presented higher degree of magnetization. Also it was observed that the martensite magnetic alpha' and paramagnetic e are formed at the intersection of dislocation, in the grain boundary, inside and at the edge of twinned and the stacking faults in the austenite. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：212 / 218
页数：7
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