Journal of Materials Research and Technology · 2020 · 22 citations · 23 references
Natural SciencesMaterials EngineeringMaterials ScienceMechanical Behavior Of MaterialsMetallic MaterialsMetallurgyAlloysMetal MaterialsMetallurgical KineticsMetalsPowder MetallurgyStrengthening MechanismsDislocation EvolutionMetal AgingPeak StrengthPrecipitation HardeningPrecipitation StrengtheningSolid PrecipitationSolid Solubility EnhancementSolubility
Contact solid solution treatment (CST) can shorten peak aging time and improve precipitation strength of Al-Zn-Mg-Cu alloys. The effects of CST on the secondary phase evolution of Al-Zn-Mg-Cu alloys were studied and the strengthening mechanisms were also quantitatively evaluated. Compared with the peak aging time of 24 h for furnace solid solution treatment (FST), only 18 h are needed to reach the peak strength after CST. The results revealed that higher solid solubility caused by CST could increase the driving force of precipitation and reduce the formation temperature of η′ phase. Many fine precipitated phases of the aged sample after CST could be obtained and hinder the dislocation movement and strengthen the alloy.
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GP-zones in Al–Zn–Mg alloys and their role in artificial aging
Laila Berg, J. Gjønnes, Vidar Hansen et al. · Acta Materialia · 2001 · 783 citations
Natural Sciences, Materials Engineering, Materials Science +12