激光熔覆高强韧铁基涂层精细组织调控与性能研究

冯凯, 郭彦兵, 冯育磊, 姚成武, 朱彦彦, 张群莉, 李铸国

Microstructure Controlling and Properties of Laser Cladded High Strength and High Toughness Fe-Based Coatings

FENG Kai, GUO Yanbing, FENG Yulei, YAO Chengwu, ZHU Yanyan, ZHANG Qunli, LI Zhuguo

图1 不同等温温度和时间下所得到的纳米贝氏体组织形貌[46]及枝晶间残余奥氏体形成机制[48]

Fig.1 Nano bainitic microstructures in the coatings obtained at different isothermal temperatures of 200oC for 24 h (a), 250oC for 16 h (b), and 300oC for 8 h (c)[46], and retained austenite generated mechanism (d)[48]