Method for the manufacture of an aluminium alloy plate product having low levels of residual stress
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United States of America Patent
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Apr 19, 2016
Grant Date -
Feb 23, 2012
app pub date -
Jan 15, 2010
filing date -
Jan 16, 2009
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Abstract
This relates to a method of the manufacture of a thick gauge aluminum alloy plate having reduced level of residual stress. The method includes (a) providing a solution heat-treated and quenched aluminum alloy plate having a thickness of at least 80 mm, (b) stress-relieving the plate by cold rolling the plate to achieve a reduction in the thickness direction of the plate product in a range of at most 8%.
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