Compositions for improved ceramic armor
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United States of America Patent
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Sep 28, 2010
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May 9, 2006
filing date -
May 9, 2006
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Abstract
raises the theoretical density of the ceramic material to between 3.225 and 3.40 g/cc, which is slightly higher than the typical 3.22 g/cc theoretical density for hot pressed fully dense SiC. The unexpected result that accrues through combining silicon carbide and zirconia consists of the creation of controlled defects in the finished ceramic that increase the surface area that is fractured during a ballistic event, enhancing spreading of the forces imposed on the ceramic material by a projectile and, as a result, the ability of the ballistic material to withstand higher forces while resisting penetration.
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