Title:
ALUMINUM ALLOY SHEET EXCELLENT IN RIDGING RESISTANCE AND HEM BENDABILITY AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2017061709
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an aluminum alloy sheet excellent in ridging resistance and hem bendability.SOLUTION: An aluminum alloy sheet composed of an aluminum alloy containing Mg and Si and excellent in ridging resistance and hem bendability, has crystal particle diameter of an L-LT surface at a central vicinity area with 1/2 depth of total sheet thickness in a sheet thickness direction from a sheet surface of 45 to 100 μm, crystal particle diameter of an L-ST surface in a whole sheet of 80 μm or less and Cube direction area percentage in a crystal orientation measured on the L-LT surface of a sheet surface of 10% or more. The present invention also provides a manufacturing method for the aluminum alloy sheet.SELECTED DRAWING: None
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Inventors:
KURAMOTO RYO
TAKEDA HIROTAKA
HIBINO AKIRA
TAKEDA HIROTAKA
HIBINO AKIRA
Application Number:
JP2015186172A
Publication Date:
March 30, 2017
Filing Date:
September 23, 2015
Export Citation:
Assignee:
UACJ CORP
International Classes:
C22C21/02; C22C21/06; C22F1/05
Domestic Patent References:
| JP2005171295A | 2005-06-30 | |||
| JP2008045192A | 2008-02-28 | |||
| JP2014234542A | 2014-12-15 | |||
| JP2003226926A | 2003-08-15 | |||
| JP2004010982A | 2004-01-15 | |||
| JPH11189836A | 1999-07-13 |
Attorney, Agent or Firm:
Megumi Yumoto