激光熔覆难熔高熵合金涂层研究进展

夏兴川, 张恩宽, 丁俭, 王玉江, 刘永长

Research Progress on Laser Cladding of Refractory High-Entropy Alloy Coatings

XIA Xingchuan, ZHANG Enkuan, DING Jian, WANG Yujiang, LIU Yongchang

图5 激光熔覆熔池结构示意图和温度梯度(G)、凝固速率(R)与凝固组织晶粒尺寸和形貌之间的关系示意图[60]

Fig.5 Schematic of laser cladding molten pool (a) and relationship between temperature gradient G, solidification rate R, and solidification grain size and morphology (b)[60] (θs—solidification angle, vd—laser scanning velocity)