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5. 不同热处理工艺实验钢的 EBSD晶界分布图和两工艺处理的实验钢晶界密度对比

Fig.5. EBSD grain boundary distribution maps of specimens treated by (a) DQT and (b) CQT (Where black and red lines represent the high misorientation angle boundaries (≥15°) and low misorientation angle boundaries (2°~15°), respectively) and (c) the total grain boundary density of specimens treated by DQT and CQT ranged 0°~60°