The ageing precipitation and strengthening behavior of 7B04 aluminum alloy were investigated by DSC,TEM,HREM,SAED and tensile testing techniques.

• 利用差示量热法(DSC)、透射电镜(TEM)、选区电子衍射(SAED)、常规力学性能测试等手段研究了7B04铝合金时效沉淀析出及强化行为。