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Quality indices and quality charts were used as evaluation tool for selecting the optimum conditions to be applied in practice in order to develop superior tensile properties and optimum quality in Al-Si casting alloys. The right alloy quality in engineering applications involves reaching a suitable compromise between numerous factors so as to present the maximum performance combined with cost efficiency. Alloy composition, solidification rate...

Aluminum-silicon castings show great promise for several fields of engineering applications. The use of these casting components under conditions of cyclic loading has generated more interest in their fatigue properties. The fatigue performance of these alloys is strongly dependent on two factors: casting defects such as porosity, oxide films and inclusions found in the castings after production, and the microstructural constituents and featur...