Aluminium-Based Alloy And Moulded Part Consisting Of Said Alloy

Abstract

The invention relates to an aluminium-based alloy comprising the following weight percent of constituents: between approximately 15% and 30% silicon, at least 1% nickel, in addition to at least one of the two constituents iron or titanium, the sum of the fractions of nickel, iron and titanium totalling at least 3%. The invention also relates to a moulded part consisting of said alloy.

1 - 47 . (canceled)  
     
     
         48 . An aluminum-based alloy, at least comprising, in percent by weight: 
 between 22.5% and 27.5% silicon,    between 1.8% and 3.3% nickel and between 2.25% and 4.4% iron, wherein the sum of the nickel, iron and cobald contents amounts to between 4.8% and 7.7%,    between 0.4% and 0.6% magnesium, wherein the sum of the copper and magnesium contents amounts to between 0.4% and 3.3%, and    between 0.1% and 0.19% titanium, wherein the sum of the chromium, titanium and zirconium contents amounts to between 0.1% and 1.2%.    
     
     
         49 . The alloy as claimed in  claim 48 , wherein the alloy has a copper content of between 0.5% and 2.9%.  
     
     
         50 . The alloy as claimed in  claim 48 , wherein the alloy has a copper content of between 0.7% and 1.7%.  
     
     
         51 . The alloy as claimed in  claim 48 , wherein the ratio of the copper content to the magnesium content is between 2 and 5.  
     
     
         52 . The alloy as claimed in  claim 48 , wherein the amount of the copper content is larger than the amount of the magnesium content.  
     
     
         53 . The alloy as claimed in  claim 48 , wherein the ratio of the iron content to the copper content is between 1 and 3.5.  
     
     
         54 . The alloy as claimed in  claim 48 , wherein the ratio of the iron content to the nickel content is between 1 and 1.5.  
     
     
         55 . The alloy as claimed in  claim 48 , wherein the alloy has a cobalt content of between 0% and 1.25%.  
     
     
         56 . The alloy as claimed in  claim 48 , wherein the cobalt content amounts to between 0.27% and 0.55%.  
     
     
         57 . The alloy as claimed in  claim 48 , wherein the alloy has a zirconium content of between 0% and 0.7%.  
     
     
         58 . The alloy as claimed in  claim 48 , wherein the alloy has a zirconium content of between 0.18% and 0.22%.  
     
     
         59 . The alloy as claimed in  claim 48 , wherein the alloy has a chromium content of between 0% and 0.33%.  
     
     
         60 . The alloy as claimed in  claim 48 , wherein the alloy has a manganese content of between 0% and 0.8%.  
     
     
         61 . The alloy as claimed in  claim 48 , wherein the manganese content amounts to between 0.45% and 0.55%.  
     
     
         62 . The alloy as claimed in  claim 48 , to a relative accuracy of 10% consisting of: 
 Silicon: 25%;    Iron: 2.5%;    Copper: 2.5%;    Magnesium: 0.5%;    Titanium: 0.15%;    Nickel: 2.5%;    Cobalt: 0.3%;    remainder aluminum apart from impurities.    
     
     
         63 . The alloy as claimed in  claim 48 , to a relative accuracy of 10% consisting of: 
 Silicon: 25%;    Iron: 4%;    Magnesium: 0.5%;    Chromium: 0.3%;    Titanium: 0.15%;    Nickel: 3%;    Zirconium: 0.2%;    remainder aluminum apart from impurities.    
     
     
         64 . The alloy as claimed in  claim 48 , to a relative accuracy of 10% consisting of: 
 Silicon: 25%;    Iron: 3.5%;    Copper: 1%;    Magnesium: 0.5%;    Chromium: 0.3%;    Titanium: 0.15%;    Nickel: 3%;    Cobalt: 0.5%;    Zirconium: 0.2%;    remainder aluminum apart from impurities.    
     
     
         65 . The alloy as claimed in  claim 48 , to a relative accuracy of 10% consisting of: 
 Silicon: 25%;    Iron: 3.5%;    Copper: 1%;    Manganese: 0.5%;    Magnesium: 0.5%;    Chromium: 0.3%;    Titanium: 0.15%;    Nickel: 3%;    Zirconium: 0.2%;    remainder aluminum apart from impurities.    
     
     
         66 . The alloy as claimed in  claim 48 , wherein further constituents are present at most as impurities.  
     
     
         67 . The alloy as claimed in  claim 48 , the alloy being produced in conjunction with a high cooling rate.  
     
     
         68 . A spray-compacted aluminum-based alloy, at least comprising, in percent by weight: 
 between 22.5% and 27.5% silicon,    between 1.8% and 3.3% nickel and between 2.25% and 4.4% iron, wherein the sum of the nickel, iron and cobald contents amounts to between 4.8% and 7.7%,    between 0.4% and 0.6% magnesium, wherein the sum of the copper and magnesium contents amounts to between 0.4% and 3.3%, and    between 0.1% and 0.19% titanium, wherein the sum of the chromium, titanium and zirconium contents amounts to between 0.1% and 1.2%.    
     
     
         69 . The alloy as claimed in  claim 68 , wherein the silicon content amounts to between 24% and 26%.  
     
     
         70 . The alloy as claimed in  claim 68 , the alloy being produced in conjunction with a high cooling rate.  
     
     
         71 . A shaped part, made from a spray compacted, aluminum-based alloy, said alloy at least comprising, in percent by weight: 
 between 22.5% and 27.5% silicon,    between 1.8% and 3.3% nickel and between 2.25% and 4.4% iron, wherein the sum of the nickel, iron and cobald contents amounts to between 4.8% and 7.7%,    between 0.4% and 0.6% magnesium, wherein the sum of the copper and magnesium contents amounts to between 0.4% and 3.3%, and    between 0.1% and 0.19% titanium, wherein the sum of the chromium, titanium and zirconium contents amounts to between 0.1% and 1.2%.    
     
     
         72 . The shaped part as claimed in  claim 71 , the shaped part being produced by means of spray-compacting and if appropriate further process steps.  
     
     
         73 . The shaped part as claimed in  claim 71 , wherein the shaped part comprises a cylinder liner for an internal combustion engine.  
     
     
         74 . The shaped part as claimed in  claim 71 , wherein the shaped part comprises a piston for an internal combustion engine.