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8 晶粒微观形貌与凝固条件的关系

Fig.8 Relationship between micromorphology and solidification conditions of grains (For an alloy of a given composition, the morphology and size of the grains are mainly determined by G and V in the molten pool)