回火温度对高强弹簧钢微观组织和冲击性能的影响
夏博, 王斌, 张鹏, 李小武, 张哲峰

Effect of Tempering Temperature on Microstructure and Impact Properties of Two High-strength Leaf Spring Steels
XIA Bo, WANG Bin, ZHANG Peng, LI Xiaowu, ZHANG Zhefeng
图 7 两种弹簧钢在不同温度回火后的冲击韧性
Fig.7 Impact toughness of the two spring steels tempered at different temperatures