Low-thickness thermostructural composite material part, and manufacture method
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United States of America Patent
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Apr 12, 2016
Grant Date -
Nov 29, 2012
app pub date -
Oct 26, 2010
filing date -
Oct 30, 2009
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Abstract
A thermostructural composite material part including carbon or ceramic fiber reinforcement densified by a matrix having at least one thin portion in which: the thickness of the part is less than 2 mm, or indeed less than 1 mm; the fiber reinforcement is made as a single thickness of multilayer fabric made of spread yarns having a weight of not less than 200 tex; the fiber volume ratio lies in the range 25% to 45%; and the ratio between the number of layers of the multilayer fabric and the thickness in millimeters of the part is not less than four.
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