Creep-resistant magnesium alloy

Abstract

The present invention relates to a magnesium aluminum alloy with enhanced creep resistance. The alloy contains barium and calcium in low proportions, and possesses a higher creep resistance in comparison to alloys containing rare earth elements. The alloy may additionally include zinc, tin, lithium, manganese, yttrium, neodymium, cerium and/or praseodymium in proportions of up to 7% by weight, respectively.

1 . Magnesium alloy, containing the following ingredients, based on total weight of the alloy:
 1 to 9% by weight of aluminium   0.5 to 5% by weight of barium   0.5 to 5% by weight of calcium and   the balance being magnesium.   
     
     
         2 . The magnesium alloy according to  claim 1 , characterized in that it additionally includes zinc, tin, lithium, manganese, yttrium, neodymium, cerium and/or praseodymium in proportions of up to 7% by weight, respectively. 
     
     
         3 . The magnesium alloy according to  claim 1 , characterized in that the proportion of aluminum is 2 to 7% by weight. 
     
     
         4 . The magnesium alloy according to  claim 1 , characterized in that the proportion of barium is 1 to 4% by weight. 
     
     
         5 . The magnesium alloy according to  claim 1 , characterized in that the proportion of calcium is 1 to 4% by weight. 
     
     
         6 . A method for the production of components of automotives, vessels and/or airplanes, comprising making the components from the magnesium alloy of  claim 1 . 
     
     
         7 . A method for the production of power trains or components thereof, comprising making the components from the magnesium alloy of  claim 1 . 
     
     
         8 . The magnesium alloy according to  claim 1 , characterized in that the proportion of aluminum is 3 to 6% by weight. 
     
     
         9 . The magnesium alloy according to  claim 1 , characterized in that the proportion of barium is 1.5 to 3% by weight. 
     
     
         10 . The magnesium alloy according to  claim 2 , characterized in that the proportion of barium is 1.5 to 3% by weight. 
     
     
         11 . The magnesium alloy according to  claim 1 , characterized in that the proportion of calcium is 1.5 to 3% by weight. 
     
     
         12 . The magnesium alloy according to  claim 2 , characterized in that the proportion of calcium is 1.5 to 3% by weight. 
     
     
         13 . The magnesium alloy according to  claim 3 , characterized in that the proportion of calcium is 1.5 to 3% by weight. 
     
     
         14 . A method for the production of components of automotives, vessels and/or airplanes, comprising making the components from the magnesium alloy of  claim 2 . 
     
     
         15 . A method for the production of components of automotives, vessels and/or airplanes, comprising making the components from the magnesium alloy of  claim 3 . 
     
     
         16 . A method for the production of components of automotives, vessels and/or airplanes, comprising making the components from the magnesium alloy of  claim 4 . 
     
     
         17 . A method for the production of components of automotives, vessels and/or airplanes, comprising making the components from the magnesium alloy of  claim 5 . 
     
     
         18 . A method for the production of power trains or components thereof, comprising making the components from the magnesium alloy of  claim 2 . 
     
     
         19 . A method for the production of power trains or components thereof, comprising making the components from the magnesium alloy of  claim 3 . 
     
     
         20 . A method for the production of power trains or components thereof, comprising making the components from the magnesium alloy of  claim 4 .