Hot deformation behavior of Super304H austenitic heat resistant steel

被引：11

作者：

Tan, Shu-ping ^{[1
]}

Wang, Zhen-hua ^{[2
]}

Cheng, Shi-chang ^{[3
]}

Liu, Zheng-dong ^{[3
]}

Han, Jie-cai ^{[1
]}

Fu, Wan-tang ^{[2
]}

机构：

[1] Harbin Inst Technol, Sch Astronaut, Harbin 150001, Peoples R China

[2] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China

[3] Cent Iron & Steel Res Inst, Beijing 100081, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2010年 / 17卷 / 02期

关键词：

austenitic steel; heat resistant; hot deformation; flow stress; dynamic recrystallization; WORKABILITY;

D O I：

10.1007/s12613-010-0208-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The hot compression tests of Super304H austenitic heat resistant steel were carried out at 800-1200 degrees C and 0.005-5 s(-1) using a Gleeble 3500 thermal-mechanical simulator, and its deformation behavior was analyzed. The results show that the flow stress of Super304H steel decreases with the decrease of strain rate and the increase of deformation temperature; the hot deformation activation energy of the steel is 485 kJ/mol. The hot deformation equation and the relationship between the peak stress and the deformation temperature and strain rate is obtained. The softening caused by deformation heating cannot be neglected when both the deformation temperature and strain rate are higher.

引用

页码：167 / 172

页数：6

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Zhen-hua Wang
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Wan-tang Fu
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