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5 两种弹簧钢在350℃回火态的EBSD显微组织、晶粒尺寸和取向差分布

Fig.5 EBSD microstructures of the two spring steels tempered at 350℃ (a, b) EBSD image quality maps, red line: low-angle grain boundary, blue line: high-angle grain boundary; (c, d) grain size distribution and (e, f) grain boundary misorientation distribution