Hot deformation behavior and processing maps of 9Cr3W3Co oxide dispersion-strengthened steel-Reference-Cited by-同舟云学术

Hot deformation behavior and processing maps of 9Cr3W3Co oxide dispersion-strengthened steel

Published:2021-01-01 Issue:1 Volume:40 Page:23-31
ISSN:2191-0324
Container-title:High Temperature Materials and Processes
language:en
Short-container-title:

Author:

Yang Wen-Sheng¹,Wang Jia-Wei²,Jiang Lei²,Wang Tian-Jian²,Pei Yu-Bing²

Affiliation:

1. School of Metallurgical and Ecological Engineering and Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials, University of Science and Technology Beijing , Beijing 100083 , China

2. The State Key Laboratory of Long-life High Temperature Materials, Dongfang Electric Corporation Dongfang Turbine Co., Ltd , Deyang 618000 , China

Abstract

Abstract The hot deformation behavior of as-cast 9Cr3W3Co oxide dispersion-strengthened (ODS) steel was investigated by Gleeble 3500 facility in the temperature range of 900–1,150℃ and at strain rates range of 0.01–10 s−1. The constitutive equation and processing maps were established to describe this complex hot deformation process. The true stress–strain curves showed that the softening effects of dynamic recovery and dynamic recrystallization are stronger than the effect of work hardening with further increasing the temperature and strain. The optimal hot working parameters of 9Cr3W3Co-ODS steel are suggested to be T = 1,050–1,100°C and

ε ̇

\dot{\varepsilon }

= 0.03–0.3 s−1.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.degruyter.com/document/doi/10.1515/htmp-2021-0010/pdf

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