Reference Dies for the Evaluation of Tensile Properties of Al-Si Alloys

What is it about?

Al-Si alloys are the most extensively used Al foundry alloys and are widely used in gravity die-casting of automotive components. Reference dies are used to characterize the tensile properties of the castings.

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Why is it important?

Among the various die configurations, the ASTM B-108 (the Stahl Mold), and the AA Step Mold are most popular in the foundries. Several modifications to the standard dies have been suggested in the scientific literature to obtain better mechanical properties in minimizing casting defects. This work reviews the scientific literature on the effect of different reference dies on the porosity and tensile properties of the Al alloy castings.