Delayed precipitation of S′ phases and accelerated fatigue crack propagation induced by coarsened grain boundary precipitates in an Al-Cu-Li alloy
Peng Xia, Yiwen Hu, Mengmeng Tong, Jianfei Hao, Runxia Li, Biao Wang
Topics & Concepts
Materials scienceGrain boundaryPrecipitationAlloyLüders bandFracture mechanicsCrack closureBrittlenessMetallurgyIntergranular corrosionComposite materialDuctility (Earth science)Grain sizeGrain boundary strengtheningUltimate tensile strengthStress concentrationFatigue limitSlip (aerodynamics)Paris' lawIntergranular fractureDeformation (meteorology)Precipitation hardeningLaggingAluminum Alloy Microstructure PropertiesMicrostructure and mechanical propertiesSolidification and crystal growth phenomena