Hot deformation characteristics and forging process of corrosion resistant nickel-base C-276 alloy

被引：5
作者：
Yang, Liang [1 ]
Zhu, Guanni [1 ]
Dong, Jianxin [1 ]
Zhang, Maicang [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
2011 CHINESE MATERIALS CONFERENCE | 2012年 / 27卷
关键词：
C-276; alloy; hot deformation characteristics; constitutive relationship; dynamic recrystallization; SUPERALLOY; HOMOGENIZATION;
D O I：
10.1016/j.proeng.2011.12.548
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The flow stress behaviors and microstructure characteristics of C-276 alloy were investigated by isothermal compression tests in the temperature range of 1100-1250 degrees C and strain rate range of 0.1-10 s(-1) on Gleeble 1500 thermo-simulation machine to determine forging process range. The strain hardening exponent and deformation activation energy were evaluated by linear regression analysis, and the flow stress constitutive relationship of C-276 alloy during hot compression was established. The results showed that dynamic recrystallization occurred in evidence during hot compression of C-276 alloy in the present experiment condition. The flow stress can be represented by a Zenner-Hollomon parameter in the hyperbolic sine type equation. The suitable processing temperature range for C-276 alloy is 1175 similar to 1250., and strain rate range from 0.1s(-1) to 10s(-1). (C) 2011 Published by Elsevier Ltd.
引用
收藏
页码：1008 / 1015
页数：8
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