2006•Cailiao rechuli xuebaoRequires access
Effect of directional solidification rates on the interface morphology and dendrite growth of the hypoeutectic Cu-1.0wt%Cr alloy
Hengzhi Fu
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Abstract
Effect of directional solidification rates on interface morphology and dendrite growth of the hypoeutectic Cu-1.0wt%Cr alloy was investigated.The results show that the interface morphology of α primary phase undergoes the evolution from plane front,cellular,thick dendrite to thin dendrite with increasing of solidification rates for a given temperature gradient.The first dendrite spacing λ_1 of primary α phase increases gradually during the cellular growth, and decreases during the dendrite growth.The second dendrite spacing λ_2 decreases with increase of the solidification rates.