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Title:
ALUMINUM ALLOY WORKED MATERIAL, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2016/132994
Kind Code:
A1
Abstract:
The primary purpose of the present invention is to provide a stronger aluminum alloy worked material and a manufacturing method thereof. An aluminum alloy worked material is provided which is characterized by containing Zn: 9-11 mass%; Mg: greater than or equal to 2.0 mass% and less than 2.8 mass%; Cu: more than 0.8 mass% and less than or equal to 1.2 mass%; Zr: 0.04-0.25 mass%; Cr: 0.02-0.30 mass%, the remainder being Al and unavoidable impurities, wherein the contents of Mg and Cu satisfy the relation Mg/Cu ≧ 2.5, the total content of Zr and Cr is 0.12-0.42 mass%, and the material has a plastic worked structure.

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Inventors:
YATSUKURA MASATO (JP)
XING JIE (JP)
KOIZUMI SHINGO (JP)
OKANIWA SHIGERU (JP)
Application Number:
PCT/JP2016/053994
Publication Date:
August 25, 2016
Filing Date:
February 10, 2016
Export Citation:
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Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
C22C21/10; C22F1/053
Foreign References:
JP2014037557A2014-02-27
JP2005530032A2005-10-06
JP2009013479A2009-01-22
JPH08295977A1996-11-12
CN102732761A2012-10-17
Attorney, Agent or Firm:
SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW (JP)
Sonoda and the Kobayashi patent business corporation (JP)
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