调质热处理对不同轧制温度的含Cu低合金高强钢力学性能的影响
王恒霖, 丁汉林, 柴锋, 罗小兵, 王子健, 项重辰

Effect of Quenched-tempered Heat Treatment on Microstructure and Precipitation of High Strength Low Alloy Steel Containing Copper After Being Hot Rolled at Different Temperatures
WANG Henglin, DING Hanlin, CHAI Feng, LUO Xiaobing, WANG Zijian, XIANG Chongchen
表2 热轧态R1~R6试样的力学性能
Table 2 Mechanical properties of hot-rolled samples R1~R6
SamplesR1R2R3R4R5R6
StrengthRp0.2 / MPa544563544576551571
Rm / MPa796805795827805820
A / %162117211921
Z / %777674737673
Impact energyAKv(-40 oC) / J1571291001264936
AKv(-84 oC) / J552814221413