Thermodynamic-Mechanical Modeling of Strain-Induced α′-Martensite Formation in Austenitic Cr-Mn-Ni As-Cast Steel

被引：11

作者：

Kovalev, Alexander ^{[1
]}

Wendler, Marco ^{[1
]}

Jahn, Andreas ^{[2
]}

Weiss, Andreas ^{[1
]}

Biermann, Horst ^{[1
]}

机构：

[1] TU Bergakad Freiberg, Inst Iron & Steel Technol, D-09596 Freiberg, Germany

[2] Vallourec & Mannesmann Deutschland GmbH, D-40472 Dusseldorf, Germany

来源：

ADVANCED ENGINEERING MATERIALS | 2013年 / 15卷 / 07期

关键词：

TRANSFORMATION; KINETICS; TEMPERATURE; NUCLEATION;

D O I：

10.1002/adem.201200340

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The microstructure evolution during deformation and the mechanical behavior of an austenitic Cr-Mn-Ni as cast steel are investigated at various temperatures. The deformation-induced twinning and Ïμ/α′- martensite formation - the TWIP and TRIP effects - occur in the investigate steel depending on the deformation temperature. For characterization and illustration of the TRIP/TWIP effects the STT and DTT diagrams are developed. Finally, the α′-martensite nucleation threshold is determined, and an equation is proposed to describe the volume fraction of strain-induced α′-martensite as a function of the total driving force. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：609 / 617

页数：9

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