高能球磨结合粉末冶金法制备碳纳米管增强<strong>7055Al</strong>复合材料的微观组织和力学性能

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3 析出相平均间距(λ_p)与平均半径(r)的测量结果

Table 3 Measurement results of mean spacing (λ_p)

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and mean radius (r) of precipitate

Position	λ_p / nm	Precipitate length / nm	Precipitate width / nm	r / nm
In coarse grains	26.30	17.90	2.90	5.20
In fine grains	22.00	9.60	0.95	2.65
Mean	24.15			3.93