Title:
ALUMINUM ALLOY SHEET WITH EXCELLENT PRESS FORMABILITY AND SHAPE FIXABILITY AND PROCESS FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2016/002489
Kind Code:
A1
Abstract:
This aluminum alloy sheet contains 4.0-5.5 mass% Mg and 0.005-0.10 mass% Ti and has contents of Fe, Mn, and Si, as impurities, less than 0.10 mass% each, with the remainder consisting substantially of Al and unavoidable impurities, wherein the average crystal grain diameter is less than 30 μm, the ratio of the volume content of S-orientation crystals to the volume content of Cube-orientation crystals [(volume content of S-orientation crystals)/(volume content of Cube-orientation crystals)] is less than 0.3, the volume content of Cube-orientation crystals is 10-25%, the tensile strength is 250 MPa or greater, the proof stress is less than 130 MPa, the elongation is 30% or greater, and the plane strain limit at break is 0.22 or greater.
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Inventors:
HIRAYAMA TOMOYUKI (JP)
HANDA TAKESHI (JP)
ANAMI TOSHIYA (JP)
YAMADA YUUICHI (JP)
HANDA TAKESHI (JP)
ANAMI TOSHIYA (JP)
YAMADA YUUICHI (JP)
Application Number:
PCT/JP2015/067179
Publication Date:
January 07, 2016
Filing Date:
June 15, 2015
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
NISSAN MOTOR (JP)
NISSAN MOTOR (JP)
International Classes:
C22C21/06; B22D11/06; C22F1/047
Foreign References:
| JP2000080431A | 2000-03-21 | |||
| JPH08325663A | 1996-12-10 | |||
| JP2013194286A | 2013-09-30 | |||
| JP2008223054A | 2008-09-25 | |||
| JP2007186741A | 2007-07-26 |
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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