Bauteile,die thermisch im hoechsten Grade Wechselbeanspruchungen ausgesetzt sind,insbesondere Zylinderkoepfe fuer Verbrennungsmaschinen

摘要

An aluminum-magnesium-silicon alloy with the customary additions for the production of parts such as cylinder heads, for resisting high alternating stressing and also high thermal stressing, wherein the improvement comprises the presence of grain-refined Mg2Si and a component for reducing the solubility of hydrogen.