Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1575404 | Materials Science and Engineering: A | 2014 | 7 Pages |
Abstract
The flow behaviors of CLAM steel were investigated to obtain the forming simulation parameters. The hot deformation experiment was performed under the strain rate of 0.001-5 sâ1 and the temperature of 850-1050 °C on Gleeble-1500 thermo-simulation machine. The results showed that the flow stress decreased with the increasing deformation temperature but increased with the increasing strain rate. Moreover, material constants α, n, ln A and activation energy Q were calculated as a function of strain. Constitutive equation of Arrhenius-type allowing for the effects of strain, strain rate and temperature was developed to describe the hot deformation behaviors of CLAM steel. The flow stress of CLAM steel predicted by the proposed constitutive equation highly coincided with the experimental results, which demonstrated that the developed constitutive equation could precisely predict the flow behaviors of CLAM steel.
Related Topics
Physical Sciences and Engineering
Materials Science
Materials Science (General)
Authors
Wen-Tao Wang, Xun-Zhong Guo, Bo Huang, Jie Tao, Hua-Guan Li, Wen-Jiao Pei,