Method of producing a shaped Al alloy panel for aerospace applications
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United States of America Patent
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Jan 3, 2017
Grant Date -
Nov 28, 2013
app pub date -
Oct 28, 2011
filing date -
Dec 15, 2010
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Abstract
A method of producing a shaped aluminum alloy panel, preferably for aerospace or automotive applications, from 5000-series alloy sheet. The method includes: providing a sheet made of 5000-series alloy having a thickness of about 0.05 to 10 mm and a length in the longest dimension of at least 800 mm; and stretch forming the sheet at a forming temperature between −100° C. and −25° C., to obtain a shaped aluminum alloy panel. A shaped article formed by the above method is also provided.
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