Monolithic and bi-functional extruded structural element
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United States of America Patent
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Jan 4, 2011
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Oct 27, 2005
filing date -
Oct 27, 2004
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Abstract
The invention relates to a bi-functional extruded structural element, particularly a stringer for aeronautical construction, comprising a base that can be fixed on a surface, and a body, wherein the base comprises a first aluminum-based alloy, and further wherein the body comprises a second heat treatable aluminum-based alloy, having properties that are different from the properties of the first aluminum based alloy.
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