It is shown that the mechanical properties of annealed sample of 2224 aluminum alloy are improved by the combination of solid solution and aging treatment after ECAP,the size of grain is refined.

• 结果表明,退火态2224铝合金经ECAP挤压后,进行固溶和时效处理,明显提高了合金的力学性能,细化了合金的晶粒。