US2014234159A1PendingUtilityA1

HIGH THERMAL CONDUCTIVITY Al-Si-Fe-Zn ALLOY FOR DIE CASTING

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Assignee: KOREA IND TECH INSTPriority: Oct 10, 2011Filed: Oct 9, 2012Published: Aug 21, 2014
Est. expiryOct 10, 2031(~5.2 yrs left)· nominal 20-yr term from priority
Inventors:Ki Tae KimJe Sik ShinSe Hyun Ko
C22C 21/00C22C 21/02C22C 21/10
46
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Claims

Abstract

Disclosed is high thermal conductivity Al—Si—Fe—Zn alloy for die casting which comprises 1.0 weight % to 2.0 weight % of silicon (Si), 0.5 weight % to 1.6 weight % of iron (Fe), 0.6 weight % to 1.6 weight % of zinc (Zn), with the remainder being aluminum (Al) and inevitable impurities.

Claims

exact text as granted — not AI-modified
1 . An aluminum alloy for die casting, comprising 1.0 weight % to 1.6 weight % of silicon (Si), 0.5 weight % to 1.6 weight % of iron (Fe), 0.6 weight % to 1.6 weight % of zinc (Zn), with the remainder being aluminum (Al) and inevitable impurities. 
     
     
         2 . The aluminum alloy for die casting of  claim 1 , wherein the content of iron (Fe) is from 0.8 weight % to 1.2 weight %. 
     
     
         3 . The aluminum alloy for die casting of  claim 1 , wherein the content of zinc (Zn) is from 0.8 weight % to 1.2 weight %. 
     
     
         4 . The aluminum alloy for die casting of  claim 1 , wherein thermal conductivity of the aluminum alloy is 160 W/mK or more. 
     
     
         5 . The aluminum alloy for die casting of  claim 1 , wherein thermal conductivity of the aluminum alloy is 170 W/mK or more. 
     
     
         6 . The aluminum alloy for die casting of  claim 1 , wherein a difference (ΔT) between the solidus temperature and the liquidus temperature of the aluminum alloy is not more than 70° C.

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