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
表1 6061铝合金母材及FSAM试样不同位置的平均晶粒尺寸和晶界含量
Table 1 Average grain sizes and number fractions of LAGBs and HAGBs in 6061 aluminum alloy BM and the different locations shown in Fig.3a
PositionNumber fraction / %

Grain size

μm

2° ≤ θ <15°θ ≥ 15°
BM62.937.120.7 ± 9.6
FSAM-134.565.55.1 ± 2.3
FSAM-228.271.82.6 ± 1.5
FSAM-323.376.72.1 ± 0.8