The results showed that multiple solution and aging treatment had a significant effect on increasing plastic property and fracture toughness, although had little effect on strength.
结果表明：多重固溶时效热处理可以显著提高合金的塑性和断裂韧度，而对强度的影响不大。
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e CAP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。
Hard anodizing film could be obtained on Al-Cu alloy surface which had been treated with solid solution treatment and natural aging.
经固溶处理和自然时效的铝铜合金可以进行硬质阳极氧化。
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