Magnesium alloy material and method of manufacturing the alloy material

Abstract

In manufacturing a magnesium alloy, continuous casting is performed using a movable mold. A magnesium alloy to be processed by presswork, forging, and the like can be efficiently provided.

1 - 18 . (canceled)  
     
     
         19 . A magnesium alloy manufactured by a method of continuous casting using a movable mold, in which shielding is performed in casting and smelting using a gas for protection against burn, and 
 in the continuous casting, the cooling rate is 1° C./sec or more.    
     
     
         20 . A magnesium alloy according to  claim 19 , wherein 0.05 to 5 wt % of Ca is contained.  
     
     
         21 . A magnesium alloy according to  claim 19 , wherein 0.1 to 10 wt % of Al is contained.  
     
     
         22 . A magnesium alloy according to  claim 19 , wherein 0.05 to 5 wt % of Ca and 0.1 to 10 wt % of Al are contained.  
     
     
         23 . A magnesium alloy according to one of  claims 19  to  22 , wherein less than 20 wt % of one or more metals selected from Zn, Mn, Si, Cu, Ag, Y and Zr are contained.