采用连续铸挤工艺生产Al-Mg-Sc合金线材.对Al-Mg-Sc合金线材质量的影响因素:合金化工艺、铸挤轮转速、浇注温度、冷却水流量等进行了研究.结果表明:采用合理的熔炼工艺,在铸挤轮速度15 r/min,冷却水流量5L/min,熔体浇注温度720～730℃的情况下,线材表面质量好,气孔少.320℃人工时效3h,细小析出相Al3Sc粒子弥散分布在铝基体中.
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