US2017167001A1PendingUtilityA1
Forged aluminum alloy for automobiles
Est. expiryDec 14, 2035(~9.4 yrs left)· nominal 20-yr term from priority
Inventors:Masayuki Hori
C22C 21/08C22C 21/14C22F 1/047C22F 1/05C22C 21/16C22F 1/043C22C 21/02C22F 1/057B21J 5/02C01P 2004/10C01P 2004/04
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Claims
Abstract
It is an object to provide a forged aluminum alloy for automobiles having a high strength. The forged aluminum alloy for automobiles contains Mg: 0.70-1.50 mass %, Si: 0.60-1.50 mass %, Cu: 0.20-0.70 mass %, and Ti: 0.001-0.100 mass %, and contains two elements or more out of Mn: 0.01-0.80 mass %, Cr: 0.10-0.30 mass % and Zr: 0.05-0.25 mass %, the balance being Al and inevitable impurities, in which the number density of acicular precipitates 1 having the circle equivalent diameter of 2-10 nm is 30,000 pieces/μm 3 or more.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A forged aluminum alloy for automobiles, comprising:
Mg: 0.70-1.50 mass %; Si: 0.60-1.50 mass %; Cu: 0.20-0.70 mass %; Ti: 0.001-0.100 mass %, and comprising two elements or more out of: Mn: 0.01-0.80 mass %; Cr: 0.10-0.30 mass %; and Zr: 0.05-0.25 mass %, the balance being Al and inevitable impurities, wherein the number density of acicular precipitates having the circle equivalent diameter of 2-10 nm is 30,000 pieces/μm 3 or more.Join the waitlist — get patent alerts
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