1.4%CuHSLA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3. 0Cu和1.4Cu钢经450 ℃回火处理后的原始奥氏体晶粒和显微组织的SEM像

Fig.3. SEM images of prior austenite grains (a, b) and microstructures (c, d) of 0Cu (a, c) and 1.4Cu (b, d) steels tempered at 450 ℃