Creep resistant magnesium alloy

Abstract

The present invention relates to a creep resistant magnesium alloy, which includes aluminium (Al) in an amount of 5 to 20 percent by weight, carbon nanotubes (CNT) in an amount of 0.1 to 10 percent by weight, strontium (Sr) in an amount of 0 to 2 percent by weight, remainder being magnesium (Mg) and impurities commonly found in magnesium alloys.

1 . A magnesium alloy comprising, by weight, aluminum in an amount of 5 to 20 percent, carbon nanotubes in an amount of 0.1 to 10 percent, strontium in an amount of 0 to 2 percent, remainder being magnesium and impurities commonly found in magnesium alloys.  
   
   
       2 . The magnesium alloy as claimed in  claim 1 , wherein the aluminum is in an amount of 8 to 10 percent by weight.  
   
   
       3 . The magnesium alloy as claimed in  claim 1 , wherein the carbon nanotube is in an amount of 0.5 to 2 percent by weight.  
   
   
       4 . The magnesium alloy as claimed in  claim 1 , wherein an average length of the carbon nanotubes is in the range from 5 to 500 nanometers.  
   
   
       5 . The magnesium alloy as claimed in  claim 4 , wherein the average length of the carbon nanotubes is in the range from 20 to 200 nanometers.  
   
   
       6 . The magnesium alloy as claimed in  claim 1 , wherein strontium is in an amount by weight of 1 to 2 percent.  
   
   
       7 . The magnesium alloy as claimed in  claim 1 , wherein the average size of the strontium is in the range from 20 to 500 nanometers.  
   
   
       8 . The magnesium alloy as claimed in  claim 7 , wherein the average size of the strontium is in the range from 100 to 300 nanometers.