Copper based precipitation hardening alloy

Abstract

The invention relates to a copper based precipitation hardenable alloy containing at least one of the elements chromium, zirconium or titanium, wherein the copper based precipitation hardenable alloy is alloyed by phosphorus.

1 . A copper based precipitation hardenable alloy containing at least one of the elements chromium, zirconium or titanium, wherein the copper based precipitation hardenable alloy is alloyed by phosphorus.  
   
   
       2 . The copper based precipitation hardenable alloy according to  claim 1 , wherein the alloy contains 100 to 500 ppm phosphorus.  
   
   
       3 . The copper based precipitation hardenable alloy according to  claim 1 , wherein the copper based precipitation hardenable alloy is a copper chromium alloy containing at least 98.5% by weight copper.  
   
   
       4 . The copper based precipitation hardenable alloy according to  claim 3 , wherein the alloy contains 0.1 to 1.5% by weight chromium.  
   
   
       5 . The copper based precipitation hardenable alloy according to  claim 1 , wherein the copper based precipitation hardenable alloy is a copper zirconium alloy containing at least 98.5% by weight copper.  
   
   
       6 . The copper based precipitation hardenable alloy according to  claim 5 , wherein the alloy contains 0.01 to 0.25% by weight zirconium.  
   
   
       7 . The copper based precipitation hardenable alloy according to  claim 1 , wherein the copper based precipitation hardenable alloy is a copper chromium zirconium alloy containing at least 98.5% by weight copper.  
   
   
       8 . The copper based precipitation hardenable alloy according to  claim 7 , wherein the alloy contains 0.1 to 1.5% by weight chromium and 0.01 to 0.25% by weight zirconium.  
   
   
       9 . The copper based precipitation hardenable alloy according to  claim 1 , wherein the copper based precipitation hardenable alloy is a copper titanium alloy containing at least 96.5% by weight copper.  
   
   
       10 . The copper based precipitation hardenable alloy according to  claim 9 , wherein the alloy contains 0.05 to 3.4% by weight titanium.  
   
   
       11 . The copper based precipitation hardenable alloy according to  claim 2 , wherein the copper based precipitation hardenable alloy is a copper chromium alloy containing at least 98.5 % by weight copper.  
   
   
       12 . The copper based precipitation hardenable alloy according to  claim 2 , wherein the copper based precipitation hardenable alloy is a copper zirconium alloy containing at least 98.5% by weight copper.  
   
   
       13 . The copper based precipitation hardenable alloy according to  claim 2 , wherein the copper based precipitation hardenable alloy is a copper chromium zirconium alloy containing at least 98.5% by weight copper.  
   
   
       14 . The copper based precipitation hardenable alloy according to  claim 2 , wherein the copper based precipitation hardenable alloy is a copper titanium alloy containing at least 96.5% by weight copper.