低合金高强钢板贝/马复相回火过程硬度及微观组织的演变行为

鞠玉琳, 魏琪, 袁志钟, 程晓农

Hardness and Microstructural Evolution of Lower Bainite and Martensite Mixtures on Tempering of High-Strength Low-Alloy Steel Plates

JU Yulin, WEI Qi, YUAN Zhizhong, CHENG Xiaonong

图10 600 ℃回火100 h后，马氏体和下贝氏体内粗大碳化物的形貌、选定区域Mn和Mo元素的分布及碳化物的成分

Fig.10 Morphologies and chemical compositions of coarser carbides in martensite (a-d) and bainite (e-h) after tempering at 600 oC for 100 h (a, e) morphologies for martensitic carbides (a) and bainitic carbides (e) (b-d) Mn (b) and Mo (c) distributions in the selected area in Fig.10a and the carbide composition (d) (f-h) Mn (f) and Mo (g) distributions in the selected area in Fig.10e and the carbide composition (h)