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简介：Reerystallizafionofcold-roUeddiscontinuousprecipitationmicrostructurewhichhasfinelaminarstructureinanAl-40%7m(atomfraction)binaryalloyisinvestigatedbyopticalmicroscopy,SEMandTEM.Itisfoundthattherearetwokindsofrecrystallizationmechanisms:continuouscoarsening(CC)anddiscontinuouscoarsening(DC).Thelattercanbedividedintocoarseningmainlydrivenbystoreddeformationenergyatcolonyboundariesandslipbandsandtheonemainlydrivenbyboundaryenergyintheareawithlittledeformation.ItisshownthattheadditionofCucanretardthenucleationofcoarseningcellsandtheirgrowth.X-RaydiffractionanalysisindicatedthemetastablephaseCuZn4transformedintoequilibriumphaseAl4Cu3Znduringtheheatingprocess.

简介：Al-Cu-Mg-Ag-Zr合金的微观结构和性质上的打断的多步老化的效果被学习由张力，坚硬，电的电导率测试和传播电子显微镜学(TEM)。打断的多步老化与一步舞老化相比推迟了山峰老化时间并且当增加时，保留了T6脾气合金的象那些的坚硬，电的传导性，最终的张力的力量(UTS)，收益力量(YS)和延伸的一样的层次破裂坚韧尤其是。阶段和一些阶段在160硥瑡?在一步舞老化的过程同时猛抛并且成长????????湡楤慤???ì