Cyclic behaviour of a duplex stainless steel under multiaxial loading: Experiments and modelling

被引：11

作者：

Aubin, V ^{[1
]}

Quaegebeur, P ^{[1
]}

Degallaix, S ^{[1
]}

机构：

[1] Ecole Cent Lille, Lab Mecan Lille, F-59651 Villeneuve Dascq, France

来源：

BIAXIAL/MULTIAXIAL FATIGUE AND FRACTURE | 2003年 / 31卷

关键词：

duplex stainless steel; cyclic plasticity; biaxial loading; extra-hardening; experimental study; low-cycle fatigue; constitutive modelling;

D O I：

10.1016/S1566-1369(03)80022-5

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The low-cycle fatigue behaviour of a duplex stainless steel, 60 % ferrite - 40 % austenite, is studied under tension-compression/torsion loading at room temperature. It is shown that the duplex stainless steel has an isotropic behaviour under cyclic proportional loading. The non-proportional loading paths induce an extra-hardening, but lower on duplex stainless steel than on austenitic stainless steels. Three models able to account for the extra-hardening are identified and tested on the experimental data base. Two of them give accurate predictions.

引用

页码：401 / 422

页数：22

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