激光增材制造过程中循环热输入对组织和性能的影响

王迪, 黄锦辉, 谭超林, 杨永强

Review on Effects of Cyclic Thermal Input on Microstructure and Property of Materials in Laser Additive Manufacturing

WANG Di, HUANG Jinhui, TAN Chaolin, YANG Yongqiang

图10 IHT效应对微观组织的影响[4,16,64,65]

Fig.10 The influence of IHT effect on microstructure (AP—as-produced, SLM—selective laser melting, LMD—laser metal deposition)[4,16,64,65] (a) microstructure of different layers of LDED-produced Scalmalloy samples[16] (b) APT analysis of Fe-19Ni-xAl[64] (c) radial distribution function (RDF) of titanium atoms in maraging steel[65] (d) nano-precipitates in LPBF-produced maraging steel[4]