两次淬火对HSLA钢组织和冲击韧性的影响
陈刚1,2, 罗小兵1(), 柴锋1, 杨才福1, 张正延1, 杨志刚2
Effect of Double Quenching on Microstructure and Impact Toughness of a High Strength Low Alloy Steel
CHEN Gang1,2, LUO Xiaobing1(), CHAI Feng1, YANG Caifu1, ZHANG Zhengyan1, YANG Zhigang2

图2. 两热处理工艺实验钢的冲击功和断面纤维率随温度的变化

Fig.2. Impact energy and percentage of ductile fracture surface-temperature curves for the specimens treated by DQT and CQT