含1.4%Cu的HSLA钢的组织和力学性能
杜瑜宾1,2, 胡小锋1, 张守清1,2, 宋元元1, 姜海昌1, 戎利建1(
)
)
Microstructure and Mechanical Properties of HSLA Steel Containing 1.4%Cu
DU Yubin1,2, HU Xiaofeng1, ZHANG Shouqing1,2, SONG Yuanyuan1, JIANG Haichang1, RONG Lijian1()
)
图9. 0Cu与1.4Cu钢450 ℃回火处理后的室温冲击断口形貌
Fig.9. Fractographs of 0Cu (a) and 1.4Cu (b) steels tempered at 450 ℃ for 120 min after impact test at room temperature
