Mechanical behaviour of aged and not prestrained high nitrogen austenitic stainless steels

被引：0
|
作者：
Taillard, R [1 ]
Vanderschaeve, F [1 ]
Foct, J [1 ]
机构：
[1] Univ Sci & Tech Lille Flandres Artois, URA CNRS 234, Met Phys Lab, Lille, France
来源：
HIGH NITROGEN STEELS '98 | 1999年 / 318-3卷
关键词：
microstructure; discontinuous precipitation; age hardening; hardness; tensile properties; fractography; fracture mechanisms;
D O I：
10.4028/www.scientific.net/MSF.318-320.413
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper deals with the effects of the discontinuous precipitation of Cr2N on the mechanisms of deformation and fracture, and therefore on the hardness and room temperature tensile properties of an Fe-18Cr-19Mn-0.9N alloy. The cells of precipitation cause a moderate strengthening and a marked embrittlement. The precipitation hardening arises from dislocations bowing between precipitates. The twinning of interlamellar austenite is an efficient cause of embrittlement.
引用
收藏
页码：413 / 419
页数：7
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