A casting magnesium alloy for providing improved thermal conductivity

Abstract

A casting magnesium alloy for providing improved thermal conductivity A magnesium alloy for providing improved thermal conductivity includes from 1 wt.% to 5 wt.% of lanthanum, from 1 wt.% to 5 wt.% of cerium or a combination thereof, and from 0.5 wt.% to 3 wt.% of neodymium, from 0.5 wt.% to 3 wt.% of gadolinium or a combination thereof, and from 0.0 wt.% to 0.2 wt.% of yttrium, and up to 0.8 wt.% of praseodymium, and up to 0.8 wt.% manganese, and up to 1.0 wt.% aluminium, and up to 0.8 wt.% zinc, and up to 20ppm beryllium, and with balanced magnesium and inevitable impurities.

1 . A magnesium alloy including:
 a. from 1 wt.% to 5 wt.% of lanthanum, from 1 wt.% to 5 wt.% of cerium or a combination thereof, and   b. from 0.5 wt.% to 3 wt.% of Neodymium, from 0.5 wt.% to 3 wt.% of Gadolinium or a combination thereof, and   c. up to 0.2 wt.% of Yttrium, and   d. up to 0.8 wt.% of Praseodymium, and   e. up to 0.8 wt.% Manganese, and   f. up to 1.0 wt.% Aluminium, and   g. up to 0.8 wt.% Zinc, and   h. up to 20ppm beryllium, and   i. with the balance being magnesium and inevitable impurities.   
     
     
         2 . A magnesium alloy as claimed in  claim 1  including: La 1.0-5.0 wt.%, Ce 1.0-5.0 wt.%, Nd 0.5-2wt.%, Gd 0.5-1.5wt.%, Y up to 0.2wt.%, Pr up to 0.6wt.%, Mn 0.1-0.4 wt.%, and Al up to 0.8wt.%, Zn up to 0.8wt.%, with Be 20ppm with the balance being magnesium and inevitable impurities. 
     
     
         3 . A magnesium alloy for providing improved thermal conductivity as claimed in  claim 1  or  2  including: La 1.0-3.0 wt.%, Ce 1.0-3.0 wt.%, Nd 0.5-1.5wt.%, Gd 0.5-1.5wt.%, Y up to 0.15wt.%, Pr up to 0.5wt.%, Mn 0.1-0.3 wt.%, and Al up to 0.6wt.%, Zn up to 0.5wt.%, with Be 20ppm with the balance being magnesium and inevitable impurities.