1. Key Laboratory for Anisotropy and Texture of Materials Ministry of Education, Northeastern University, Shenyang 110004, Liaoning, China 2. The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China
Abstract��The tensile tests were carried out to explore the mechanical properties of Fe-20Mn-3Si-3Al-0.045C TWIP steel with different cold rolling reductions. Moreover, the deformation behaviors were also investigated at extensive temperature and various strain rates. The results showed that the steel exhibited attractive mechanical properties when cold rolling reduction was about 10%. The tensile strength of the steel with a rolling reduction of 10% is as high as 1360MPa, and the yield strength is about 770MPa, while the elongation reaches 30%. For instance, the yield stress and tensile stress of the steel are 510MPa and 860MPa while the ductility reaches 58% at a strain rate of 1��10-4s-1 at room temperature. However, with increasing strain rate up to 1��10-1s-1, the yield stress goes up to 630 MPa and the tensile stress is as high as 970MPa, in spite of a ductility of 39%. The mechanical properties of the steel become poor with increasing temperature. At 300��, the tensile stress of the steel decreases to 764MPa and the strain decreases to 25% at a strain rate of 1��10-1s-1.
���·壬�����ˣ�κ�Σ�Ѧ��ӱ. Fe-20Mn-3Si-3Al���ڲ�ͬ���������µ���ѧ��Ϊ[J]. �й������ڿ���, 2013, 31(4): 1-6.
SHEN Yong-feng,ZHANG Rong-xing,WEI Xin,XUE Wen-ying. Mechanical Behavior of Fe-20Mn-3Si-3Al Steel Deformed Under Various Conditions. Chinese Journal of Iron and Steel, 2013, 31(4): 1-6.
2013, Vol. 31 
