High Temperature Strength of Semi-Solid Formed Mg-Zn-Al-Ca Alloys

This study proposes Mg-Zn-Al-Ca alloys for semi-solid forming. All of the investigated alloys show a high value of tensile strength and 0.2% proof stress at high temperatures. Particularly, ZAC1260, ZAC1270 and ZAC1480 alloys exhibit tensile strength of more than 150MPa even at 200°C. The tensile strengths of the alloys are higher than those of AZ91D even when tested at high temperatures.