Sigma phase precipitation during superplastic forming of duplex stainless steel

被引：4

作者：

Patankar, SN

Tan, MJ

机构：

[1] Univ Idaho, Inst Mat & Adv Proc, Moscow, ID 83843 USA

[2] Nanyang Technol Univ, Sch Mech & Prod Engn, Singapore 639798, Singapore

来源：

MATERIALS AT HIGH TEMPERATURES | 2002年 / 19卷 / 01期

关键词：

sigma phase precipitation; superplastic forming; duplex stainless steel;

D O I：

10.1179/mht.2002.19.1.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Superplastic forming of duplex stainless steel when attempted at 950degreesC showed strong evidence of sigma phase formation. This was accompanied by cavitation. The cavity density was maximum at the most deformed region, namely the apex of the formed cone, and pressures as high as 1.7 MPa had to be maintained during the superplastic forming operation.

引用

页码：41 / 44

页数：4

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