Composite material containing a fibre reinforced vitroceramic matrix and a method of making the same
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United States of America Patent
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Mar 7, 2000
Grant Date -
N/A
app pub date -
Jul 17, 1997
filing date -
Jul 18, 1996
priority date (Note) -
Expired
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Abstract
Composite material comprising a CAS+BAS vitroceramic matrix reinforced with SiC fibers and exhibiting a small difference between the thermal expansion coefficients of the matrix and the fibers is obtained by using a matrix having a BaO/(BaO+CaO) molar ratio of between 25% and 55% and predominant phases of triclinic anorthite and monoclinic celsian.
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