原位自生2%TiB2 颗粒对2024Al增材制造合金组织和力学性能的影响

孙腾腾, 王洪泽, 吴一, 汪明亮, 王浩伟

Effect ofIn Situ 2%TiB2 Particles on Microstructure and Mechanical Properties of 2024Al Additive Manufacturing Alloy

SUN Tengteng, WANG Hongze, WU Yi, WANG Mingliang, WANG Haowei

图3 L-PBF成形2024Al-2%TiB2合金的EBSD 结果

Fig.3 EBSD results of 2024Al-2%TiB2 alloy printed by L-PBF (a) grain distribution diagram (b) grain boundary map and TiB2 distribution map (HAGB—high angle grain boundary) (c) TiB2 particle located in the grain boundary (d) TiB2 particle inside the grain