结果表明，在固溶与时效处理中间加入预时效处理可有效消除单晶合金组织与成分的不均匀性。
The effects of pre-aging treatment on segregation behavire of Ni-based single crystal superalloy CMSX-3 were also studied.
介绍了固溶处理温度、淬火到时效间隔时间及时效制度等对2A70铝合金预拉伸厚板组织和性能的影响；
The effect of quenching temperature, the interval time from quenching to aging and aging institution to 2A70 aluminium alloy pre-stretching plate structure and properties are introduced.
结果表明，采用20%预变形和适当的时效处理，其强化效果最好。
It is shown that 20% deformation is best to satisfy the requirements of good dispersion strengthening.
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