同素异构转变对退火态Fe-15Mn-10Al-0.3C双相钢塑性的影响

刘营凯,王白冰,刘仁东,郭金宇,史文

Effect of Allotropic Transformation on Plasticity of Fe-15Mn-10Al-0.3C Dual Phase Steel during Annealing

Yingkai LIU,Baibing WANG,Rendong LIU,Jinyu GUO,Wen SHI

表2 退火态试样的室温力学性能

Table 2 Room temperature tensile properties of the alloy as annealed conditions

Test steel YS/MPa UTS/MPa E/% Formability factor/GPa% Yield ratio n Annealed after SCRS 10 s 711.12 887 11.3 10.02 0.802 0.13 2 min 652.93 820 19.5 15.99 0.796 0.15 1 h 627.66 749 7.6 5.69 0.837 0.128 Annealed after DCRS 1 0s 575.83 729 17.5 12.76 0.789 0.15 2 min 572.29 740 23.7 17.54 0.773 0.156 1 h 509.18 675 19 12.83 0.754 0.16