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2 6061铝合金母材、FSAM成形态及PWHT态试样的拉伸性能

Table 2 Tensile properties of 6061 aluminum alloy samples in different states

Sample UTS / MPa YS / MPa EL / % BM 344.8 276.9 16.8 FSAW-top 190.5 99.7 24.9 FSAW-middle 165.2 95.3 25.0 FSAW-bottom 164.4 90.0 24.3 PWHT-top 317.0 277.8 10.8 PWHT-middle 300.7 230.5 17.1 PWHT-bottom 306.5 267.7 13.0