图3. 经1020STA热处理后,连续点式锻压激光快速成形GH4169合金的显微组织和EDS分析
Fig.3. Microstructures and EDS analysis of CPF-LRF GH4169 alloy heat treated by 1020STA (a) equiaxed crystals and annealing twins (b) precipitation of δ phase (c) Laves phase and δ phase (d) EDS analysis of Laves phase pointed by arrow in Fig.3c