Title:
ALUMINUM ALLOY EXCELLENT IN MACHINABILITY, AND ALUMINUM ALLOY MATERIAL AND METHOD FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2003/010349
Kind Code:
A1
Abstract:
A first aluminum alloy which comprises 0.3 to 6 mass % of Mg, 0.3 to 10 mass % of Si, 0.05 to 1 mass % of Zn, 0.001 to 0.3 mass % of Sr and the balanced amount of Al and impurities&semi a second aluminum alloy which comprises the elements contained in the first alloy in amounts described above and further comprise one or more selected from among Cu, Fe, Mn, Cr, Zr, Ti, Na and Ca&semi A third aluminum alloy comprising 0.1 to 6 mass % of Mg, 0.3 to 12.5 mass % of Si, 0.01 mass % or more and less than 1 mass % of Cu, 0.01 to 3 mass % of Zn, 0.001 to 0.5 mass % of Sr and the balanced amount of Al and impurities&semi and a forth aluminium alloy which comprises the elements contained in the third alloy in amounts described above and further comprises one or more selected from among Ti, B, C, Fe, Cr, Mn, Zr, V, Sc, Ni, Na, Sb, Ca, Sn, Bi, and In.
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Inventors:
MATSUOKA HIDEAKI
YAMANAKA MASAKI
YOSHIOKA HIROKI
OKAMOTO YASUO
KITAMURA MASAKATSU
YAMANAKA MASAKI
YOSHIOKA HIROKI
OKAMOTO YASUO
KITAMURA MASAKATSU
Application Number:
PCT/JP2002/007517
Publication Date:
February 06, 2003
Filing Date:
July 25, 2002
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
C22C21/00; C22C21/02; C22C21/04; C22C21/08; C22F1/04; C22F1/043; C22F1/047; (IPC1-7): C22C21/02; C22F1/043
Foreign References:
| JPH10212542A | 1998-08-11 | |||
| JP2001107170A | 2001-04-17 | |||
| JPH11286759A | 1999-10-19 | |||
| JP2001162318A | 2001-06-19 | |||
| JPH1096039A | 1998-04-14 | |||
| JPS5298611A | 1977-08-18 | |||
| JPH07109537A | 1995-04-25 | |||
| JPH083701A | 1996-01-09 |
Other References:
See also references of EP 1413636A4
Attorney, Agent or Firm:
Shimizu, Hisayoshi (4-26 Minamisemba 3-chome, Chuo-k, Osaka-shi Osaka, JP)
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