Copper multicomponent alloy and its use

Abstract

The invention relates to a copper multicomponent alloy, consisting of [in % by weight]: Ni 1.0 to 15.0% Sn 2.0 to 12.0% Mn 0.1 to 5.0% Si 0.1 to 3.0%, remainder Cu and inevitable impurities, optionally individually or in combination up to 1.5% Ti, Co, Cr, Al, Fe, Zn, Sb, optionally individually or in combination up to 0.5% B, Zr, P, S, optionally up to 25% Pb.

1 . Copper multicomponent alloy, consisting of [in % by weight]: 
     
       
         
               
               
               
             
                   
                   
               
                   
                 Ni 
                 1.0 to 15.0% 
               
                   
                 Sn 
                 2.0 to 12.0% 
               
                   
                 Mn 
                 0.1 to 5.0% 
               
                   
                 Si 
                 0.1 to 3.0%, 
               
                   
                   
               
           
              
             
             
              
              
              
              
              
             
          
         
       
     
     remainder Cu and inevitable impurities,
 optionally individually or in combination up to 1.5% Ti, Co, Cr, Al, Fe, Zn, Sb, 
 optionally individually or in combination up to 0.5% B, Zr, P, S, 
 optionally up to 25% Pb. 
 
   
   
       2 . Copper multicomponent alloy according to  claim 1 , characterized in that it contains up to 2.5% Mn and up to 1.5% Si. 
   
   
       3 . Copper multicomponent alloy according to  claim 2 , characterized in that it contains up to 1.6% Mn and up to 0.7% Si. 
   
   
       4 . Copper multicomponent alloy according to  claim 1 , characterized in that it has undergone at least one heat treatment at 300 to 500° C. 
   
   
       5 . Copper multicomponent alloy according to  claim 1 , characterized in that it has undergone at least one heat treatment at 600 to 800° C. 
   
   
       6 . Copper multicomponent alloy according to  claim 1 , characterized in that it has undergone a combination of at least one solution anneal at 600 to 800° C. and at least one age-hardening treatment at 300 to 500° C. 
   
   
       7 . Use of the copper multicomponent alloy according to  claim 1  for sliding elements or plug connectors.