Effects of rare earth Er additions on microstructure development and mechanical properties of die-cast ADC12 aluminum alloy

► The α-Al dendrite and the eutectic Si were significantly refined by adding Er. ► The Hv of alloys first increased with increasing Er content, then decreases. ► The UTS of alloys increased with addition of Er, but the EL decreased. The effects of rare earth erbium (Er) additions (0, 0.3, 0.6 and 0....

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Veröffentlicht in:	Journal of alloys and compounds 2012-10, Vol.538, p.21-27
Hauptverfasser:	Hu, Xiaowu, Jiang, Fugang, Ai, Fanrong, Yan, Hong
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloy development Alloying additive Aluminum alloys Aluminum base alloys Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Deformation and plasticity (including yield, ductility, and superplasticity) Dendritic structure Die-casting Erbium Exact sciences and technology Grain refinement Materials science Mechanical and acoustical properties of condensed matter Mechanical characterization Mechanical properties of solids Microstructure Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Rare earth Rare earth metals Solidification Ultimate tensile strength
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