Glass composition with low coefficient of thermal expansion, and glass fiber produced from same
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United States of America Patent
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May 20, 2014
Grant Date -
Jul 12, 2012
app pub date -
Jan 11, 2012
filing date -
Jan 11, 2011
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Abstract
The present disclosure relates to a glass composition having a low thermal expansion coefficient, specifically, a glass composition comprising about 55 to less than 64 weight percent of silicon oxide, about 15 to about 30 weight percent of aluminum oxide, about 5 to about 15 weight percent of magnesium oxide, about 3 to about 10 weight percent boron oxide, about 0 to about 11 weight percent calcium oxide, and about 0 to about 2 weight percent of alkali oxide, the remainder being trace compounds of less than about 1 weight percent, is provided. Glass fibers and composite articles formed therefrom are also provided.
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