铝合金熔滴复合电弧增材组织演化及外延生长特性

耿汝伟, 王林, 魏正英, 麻宁绪

Microstructure Evolution and Epitaxial Growth Characteristics of Droplet and Arc Deposition Additive Manufacturing for Aluminum Alloy

GENG Ruwei, WANG Lin, WEI Zhengying, MA Ninshu

图9 不同取向偏差角下凝固组织的生长过程

Fig.9 Growth processes of solidification microstructure at the misorientation angles of 20° (a-c), 30° (d-f), and 40° (g-i) (ΔZ is the grain height difference with different misorientation angles) (a, d, g) t = 2500Δt (b, e, h) t = 7500Δt (c, f, i) t = 12500Δt