节约型双相不锈钢TRIP效应致塑性增量及其固溶温度依赖性

陈雷,郝硕,梅瑞雪,贾伟,李文权,郭宝峰

Intrinsic Increment of Plasticity Induced by TRIP and Its Dependence on the Annealing Temperature in a Lean Duplex Stainless Steel

Lei CHEN,Shuo HAO,Ruixue MEI,Wei JIA,Wenquan LI,Baofeng GUO

表2 不同固溶温度下组织与力学性能及计算结果

Table 2 Statistical and calculation results of microstructure and mechanical properties at different annealing temperatures

Ta / ℃ Md / ℃ Δe / % Vγ k Δe* / % VM Δeˉ / % 1000 80 25.8 0.48 4.39 0.538 0.410 0.629 1050 75 24.8 0.463 4.22 0.536 0.395 0.628 1100 70 23.6 0.446 3.98 0.529 0.374 0.631 1150 65 22.2 0.428 3.72 0.519 0.348 0.638 1200 60 20.8 0.410 3.38 0.507 0.320 0.649