Self-modification in EASA is attributed to the occurrence of a severe undercooling during solidification,which is related with the formation of homogeneous melt and the electric current in electrolysis process.

• 合金组织对冷却速度不敏感,具有遗传性,合金具有良好的韧性和塑性。 电解Al-Si合金熔体为均质熔体,凝固时出现大的过冷度是形成变质组织的原因。