Metal Alloy

Abstract

A metal alloy is primarily formed of copper, nickel, magnesium and iron. The main constituents are copper and nickel. The contents of magnesium and iron are increased considerably in comparison with the prior art conventional alloys.

1 . A homogenous copper-nickel metal alloy, consisting essentially of the following constituents in the following proportions (in % by mass and/or % by weight): 
     
       
         
               
               
               
             
                   
                   
               
                   
                 copper 
                 40% to 61% 
               
                   
                 nickel 
                 35% to 45% 
               
                   
                 manganese 
                 3.9% to 10% 
               
                   
                 iron 
                 0.1% to 5% 
               
                   
                 other materials 
                 at most 2% in total 
               
                   
                   
               
           
              
             
             
              
              
              
              
              
              
             
          
         
       
       with the sum of the selected components adding to 100% by mass or 100% by weight; and 
       the individual alloying constituents being completely soluble in one another to form a closed solid-solution series with no miscibility gaps, such that the alloy is completely homogenous within itself. 
     
   
   
       2 . The metal alloy according to  claim 1 , consisting of copper, nickel, manganese, iron, and other materials in the following proportions (in % by mass and/or % by weight): 
     
       
         
               
               
               
             
                   
                   
               
                   
                 copper 
                 55.03%  
               
                   
                 nickel 
                 39.66%  
               
                   
                 manganese 
                 4.64% 
               
                   
                 iron 
                 0.46% 
               
                   
                 other materials 
                  0.21%. 
               
                   
                   
               
           
              
             
             
              
              
              
              
              
              
             
          
         
       
     
   
   
       3 . The metal alloy according to  claim 2 , wherein said other materials are present in the following proportions (in % by mass and/or % by weight of the total alloy): 
     
       
         
               
               
               
             
                   
                   
               
                   
                 carbon 
                 0.05% 
               
                   
                 silicon 
                 0.06% 
               
                   
                 aluminum 
                 0.02% 
               
                   
                 magnesium 
                 0.03% 
               
                   
                 titanium 
                 0.01% 
               
                   
                 chromium 
                 0.02% 
               
                   
                 further materials 
                 0.02% 
               
                   
                   
               
           
              
             
             
              
              
              
              
              
              
              
              
             
          
         
       
     
   
   
       4 . The metal alloy according to  claim 3 , wherein said further materials are selected from the group consisting of the rare earths, molybdenum, and yttrium. 
   
   
       5 . The metal alloy according to  claim 1 , consisting of copper, nickel, manganese, iron, and other materials in the following proportions (in % by mass and/or % by weight): 
     
       
         
               
               
               
             
                   
                   
               
                   
                 copper 
                 52.87%  
               
                   
                 nickel 
                 39.16%  
               
                   
                 manganese 
                 3.98% 
               
                   
                 iron 
                 3.75% 
               
                   
                 other materials 
                  0.24%. 
               
                   
                   
               
           
              
             
             
              
              
              
              
              
              
             
          
         
       
     
   
   
       6 . The metal alloy according to  claim 5 , wherein said other materials are present in the following proportions (in % by mass and/or % by weight of the total alloy): 
     
       
         
               
               
               
             
                   
                   
               
                   
                 carbon 
                 0.05% 
               
                   
                 silicon 
                 0.09% 
               
                   
                 aluminum 
                 0.03% 
               
                   
                 magnesium 
                 0.03% 
               
                   
                 titanium 
                 0.01% 
               
                   
                 chromium 
                 0.02% 
               
                   
                 further materials 
                  0.01%. 
               
                   
                   
               
           
              
             
             
              
              
              
              
              
              
              
              
             
          
         
       
     
   
   
       7 . The metal alloy according to  claim 6 , wherein said further materials are selected from the group consisting of the rare earths, molybdenum, and yttrium.