System, method, and apparatus for three-dimensional woven metal preform structural joint
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United States of America Patent
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Sep 7, 2010
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app pub date -
Jul 5, 2006
filing date -
Jul 5, 2006
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Abstract
A three-dimensional, woven metal fiber preform and metal braze matrix forms a high temperature metallic structural joint. The preform is used with a braze alloy matrix to join a structural skin to a flangeless frame. This same basic joint can be used to create large complex structures with very little tooling. The three-dimensional woven metal preform is a flexible element that conforms to match the skin and flangeless frame, thereby avoiding high costs associated with precision fixturing. A high temperature braze metal is used as a matrix for the wire and to join the woven preform to the skin and the frame. The edges of the preform are tapered to a feather edge to avoid stress concentrations and stiffness mismatch.
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