The latest technologies for Al alloy castings with hi gh soundness, mechnical properties and wear resistance as well as large complicate d shape in squeezing casting abroad and at home were surveyed.

• 概述了国内外在生产高致密度、高力学性能、高耐磨铝合金挤压铸件,以及大型复杂铝合金挤压铸件方面的新技术,对于挤压厚大的复杂零件,可使用局部补压技术消除厚大处的缩孔缩松。