高能球磨结合粉末冶金法制备碳纳米管增强7055Al复合材料的微观组织和力学性能
毕胜, 李泽琛, 孙海霞, 宋保永, 刘振宇, 肖伯律, 马宗义

Microstructure and Mechanical Properties of Carbon Nanotubes-Reinforced 7055Al Composites Fabricated by High-Energy Ball Milling and Powder Metallurgy Processing
BI Sheng, LI Zechen, SUN Haixia, SONG Baoyong, LIU Zhenyu, XIAO Bolv, MA Zongyi
表2 T6态7055Al及1%CNT/7055Al复合材料在不同方向拉伸性能
Table 2 Mechanical properties of T6 treated 7055Al and 1%CNT/7055Al composites with different loading directions
SampleOrientation relationship between extrusion direction and tension direction

Yield strength

MPa

Tensile strength

MPa

Elongation

%

7055AlParallel657±11700±82.8±0.6
Perpendicular607±3644±82.4±0.6
1%CNT/7055AlParallel692±14760±101.8±0.3
Perpendicular618±4661±91.0±0.5