万伦, 徐光, 陈振业, et al. A Dynamic Recovery Model for Flow Stress of Microalloyed Steel Produced by Compact Strip Production Process[J]. Special Steel, 2009, 30(1): 19-21.
万伦, 徐光, 陈振业, et al. A Dynamic Recovery Model for Flow Stress of Microalloyed Steel Produced by Compact Strip Production Process[J]. Special Steel, 2009, 30(1): 19-21.DOI:
A study on stress-strain of a microalloyed steel (% : 0. 055C
1. 49Mn
0. 44Cr
0. 03Nb
0. 05 V
0. 03Ti) produced by Compact Strip Production (CSP) process has been carried out from the points of view of dynamic recovery and the steady stress of stress-strain curves of test steel in hot deformation process was deduced based on the principle of dynamic recovery
and with simplifying function relation between stress and strain the final flow stress (deformation resistance) model of dynamic recovery of the steel-σ =142. 166 x (0. 201 + 17. 103ε
2
- 170. 376ε + 946. 630ε
3
一 2 834. 266ε
4
+4 234. 420ε
5
-2 467. 373ε
6
) MPa was obtained. Experimental verification results showed that the prediction relative error of model was 5. 77% to meet the requirements of theoretical calcula