选区激光熔化成形Al-Si-Fe-Mn-Ni合金的高温蠕变行为

韩英, 吴雨航, 赵春禄, 张靖实, 李振民, 冉旭

High-Temperature Creep Behavior of Selective Laser Melting Manufactured Al-Si-Fe-Mn-Ni Alloy

HAN Ying, WU Yuhang, ZHAO Chunlu, ZHANG Jingshi, LI Zhenmin, RAN Xu

图1 选区激光熔化(SLM)成形Al-Si-Fe-Mn-Ni合金的初始组织

Fig.1 Initial microstructure of selective laser melted (SLMed) Al-Si-Fe-Mn-Ni alloy (MRD—multiples of random distribution) (a) inverse pole figure (IPF) map in XY plane (b) IPF map in XZ plane (Yellow dashed line represents the melt pool boundary) (c) TEM image (Insets show the corresponding EDS results) (d) high magnification bright field (BF) image of intermetallic compounds (IMCs) and Si phases (Inset shows the possible atomic occupancy information in IMC) (e) selected area electron diffraction (SAED) image of IMC