م مقاله کنفرانسی سال ۱۳۸۹ ۵۹۳ مشاهده Friction stir welding of Al/Mg2Si metal matrix cast composite in this research, friction stir weldability of 15 wt % Mg2Si particulate aluminum matrix cast composite… fiction stir weldingmechanial propertiesmicrostructure.