Method of forming a component of complex shape from sheet material
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United States of America Patent
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Apr 24, 2018
Issued Date -
May 23, 2013
app pub date -
Nov 15, 2010
filing date -
Nov 13, 2009
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Abstract
Method of forming a component of complex shape from an Al-alloy sheet or a Mg-alloy sheet. The method includes the steps of: a) heating the sheet to a temperature below the solution heat treatment (SHT) temperature for the alloy; b) forming the heated sheet between heated dies into or towards the complex shape; c) heating the sheet to at least its SHT temperature and substantially maintaining that temperature until SHT has been completed; and d) quenching the solution heat treated sheet between cold dies and at the same time completing the forming into the complex shape or maintaining that shape.
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