METHOD OF MANUFACTURING FORMED COMPONENT FOR AIRCRAFT USE MADE OF ALUMINUM ALLOY AND FORMED COMPONENT FOR AIRCRAFT USE
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United States of America Patent
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Oct 22, 2015
app pub date -
Dec 19, 2013
filing date -
Dec 21, 2012
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Abstract
A method of manufacturing a formed component for aircraft use according to the present invention includes: subjecting a material made of an aluminum alloy to solution heat treatment; then forming the material into a predetermined shape under cold working conditions; and thereafter subjecting the material to artificial age-hardening treatment. Under the cold working, the material is formed into the predetermined shape while a strain corresponding to a temper T8 is being imparted to the material by a roll forming apparatus. This makes it possible to manufacture a formed component for aircraft use made of an aluminum alloy in a T8 state at a lower cost than conventional art.
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