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

页码：1008 / 1015

页数：8

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