Prediction of σ Phase Formation in Fe-Cr-Ni-Mo-N Alloys

被引：17

作者：

Fukumoto, Shigeo ^{[1
]}

Oikawa, Yuusuke ^{[1
]}

Tsuge, Shinji ^{[1
]}

Nomoto, Sukeharu ^{[2
]}

机构：

[1] Nippon Steel & Sumikin Stainless Steel Corp, Ctr Res & Dev, Yamaguchi 7438550, Japan

[2] ITOCHU Technosolut Corp, CAE Dept, Tokyo 1006080, Japan

来源：

ISIJ INTERNATIONAL | 2010年 / 50卷 / 03期

关键词：

solidification; segregation; phase transformation; phase-field model; stainless steel; FIELD MODEL; STAINLESS-STEEL; BINARY-ALLOYS; WELD METAL; SOLIDIFICATION; MICROSTRUCTURE; DIFFUSION; CORROSION; WELDMENTS; DATABASE;

D O I：

10.2355/isijinternational.50.445

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The formation of sigma phase was investigated in Fe-Cr-Ni-Mo alloys with high nitrogen content. The amounts of the sigma phase are correlated with the calculated delta-Fe values. The Md-PHACOMP (Phase Computation) method, which takes into consideration the effect of nitrogen and carbon content as well as microsegregation at the interdendritic region, can predict the sigma precipitations. The numerical methodology for a multi-phase-field model can be also applied to sigma phase formation by delta to (gamma + sigma) transformation.

引用

页码：445 / 449

页数：5

共 50 条

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