Fiber-composite material and a method for producing the same
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United States of America Patent
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Jan 6, 2004
Grant Date -
N/A
app pub date -
Apr 19, 2002
filing date -
Jul 5, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to the field of chemistry and to a fiber composite material which is used, for example, in aircraft. The invention provides a fiber composite material in which delamination can be significantly reduced. This is achieved by a fiber composite material with multiple layers, each containing a duromer matrix and reinforcing fibers, inner layers contain fibers featuring a high level of adhesion to the duromer matrix, outer layers contain fibers featuring a low level or no adhesion to duromer matrix. There is also provided a method in which the reinforcing fibers include a coating and the layers are structured in such a way that, on the interior of the fiber composite material, layers are arranged which contain fibers with a high level of adhesion to the duromer matrix and that outer layers which contain fibers with a lower or low level of adhesion, or no adhesion to the duromer matrix are arranged on and/or around these inner layers.
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