Composite member having increased resistance to delamination and method of making same
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United States of America Patent
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-
Apr 8, 2003
Grant Date -
Dec 20, 2001
app pub date -
Jul 5, 2001
filing date -
Aug 28, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A composite member having increased resistance to delamination includes a reinforcing wrap of fiber-matrix composite material which is encircled about the member so that the edge surfaces of the member are covered by the wrap. The wrap includes fibers which are oriented from about -60.degree. to about +60.degree. relative to the direction along which the reinforcing wrap is wrapped about the member. The fibers of the reinforcing wrap impart increased third-axis or Z-direction strength at the edges of the member where interlaminar tensile stresses are greatest.
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