Materials based on sialon's
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United States of America Patent
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Apr 7, 2009
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app pub date -
Aug 6, 2004
filing date -
Aug 7, 2003
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Abstract
A material based on SiAlON contain 70-97 vol. % of alpha and beta-SiAlON and an amorphous or partially crystalline grain boundary phase and 3 to 30 vol.% of a hard material. The material has an alpha-SiAlON gradient which decreases from the outside to the inside.
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