利用Bc路径组织细化效率高、BA路径颗粒均匀再分散效果好的特点,设计了4BA+4Bc路径组合,考察了其相比于Bc、BA路径对Al-Mg2Si双相合金组织与力学性能的影响.结果表明,4BA+4Bc组合路径由于前期4道次BA路径挤压良好的颗粒再分散能力,促进了后续4道次Bc路径挤压材料的组织细化效率提高和大角度晶界的快速形成,材料的综合力学性能较其它两种路径得到显著改善.
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