6061铝合金搅拌摩擦增材制造显微组织演变及力学性能

杨帆, 裴世超, 罗新蕊, 陈宇翔, 李宁宇, 常永勤

Microstructure Evolution and Mechanical Properties of 6061 Aluminum Alloy Fabricated by Friction Stir Additive Manufacturing

YANG Fan, PEI Shichao, LUO Xinrui, CHEN Yuxiang, LI Ningyu, CHANG Yongqin

图5 6061铝合金母材及FSAM试样的反极图(IPF)及晶界特征图

Fig.5 Inverse pole figures (IPFs) (a-d) and grain boundary maps (e-h) of 6061 aluminum alloy base metal (BM) and the FSAM samples at different locations shown in Fig.4 (The red lines and blue lines denote low angle grain boundaries (LAGBs) with misorientation angle (θ) 2°-15° and the high angle grain boundaries (HAGBs) with θ ≥ 15°, respectively) (a, e) BM (b, f) FSAM-1 (c, g) FSAM-2 (d, h) FSAM-3