US2005238524A1PendingUtilityA1

As-magnesium pressure die cast alloy and method for producing a subassembly part from an as-magnesium pressure die cast alloy of this type

38
Assignee: BARTH ANDREASPriority: Jul 5, 2002Filed: Jun 26, 2003Published: Oct 27, 2005
Est. expiryJul 5, 2022(expired)· nominal 20-yr term from priority
Inventors:Andreas Barth
C22C 23/02
38
PatentIndex Score
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Claims

Abstract

A water quenched magnesium/aluminum die casting alloy, includes Al between 2.8 and 3% by weight; Si between 0.7, and 1.5% by weight; Mn greater than 0.20% by weight; Zn less than 0.20% by weight; Cu less than 100 ppm; Ni less than 20 ppm; and Fe less than 50 ppm. in addition, a method for manufacturing the magnesium/aluminum die casting alloy wherein the water quenching takes place within a predetermined time period after casting or after the die casting mold is opened.

Claims

exact text as granted — not AI-modified
1 - 13 . (canceled)  
     
     
         14 . A water quenched magnesium/aluminum die casting alloy, comprising: 
 Al between 2.8 and 3% by weight;    Si between 0.7, and 1.5% by weight;    Mn greater than 0.20% by weight;    Zn less than 0.20% by weight;    Cu less than 100 ppm;    Ni less than 20 ppm; and    Fe less than 50 ppm.    
     
     
         15 . The magnesium/aluminum die casting alloy as recited in  claim 14 , wherein the alloy is water quenched after casting or after a die casting mold is opened.  
     
     
         16 . The magnesium/aluminum die casting alloy as recited in  claim 14 , wherein the magnesium/aluminum die casting alloy is part of a thermally stressable component.  
     
     
         17 . The magnesium/aluminum die casting alloy as recited in  claim 16 , wherein the component is part of an automobile.  
     
     
         18 . The magnesium/aluminum die casting alloy as recited in  claim 14 , wherein the magnesium/aluminum die casting alloy is a MgAl 3 Si 1 alloy.  
     
     
         19 . The magnesium/aluminum die casting alloy as recited in  claim 14 , wherein a large amount of aluminum is dissolved in a magnesium matrix.  
     
     
         20 . A method for manufacturing the magnesium/aluminum die casting alloy as recited in  claim 14 , wherein the water quenching takes place within a time period after casting or after the die casting mold is opened, the time period being 60 seconds.  
     
     
         21 . The method as recited in  claim 20 , wherein the time period is 40 seconds.  
     
     
         22 . The method as recited in  claim 20 , wherein the time period is 30 seconds.

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