总结了Sc在铝及铝合金中对合金组织、力学性能、热稳定性、焊接性能和抗腐蚀性能的影响.Sc在铝合金中是有效的晶粒细化剂、再结晶抑制剂和改善焊接性能的添加剂;Sc可以细化铝合金晶粒,提高合金的力学性能和再结晶温度,增强铝合金的热稳定性,改善铝合金的焊接性能和抗腐蚀性能;分析了Sc在铝合金中的作用机理.
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