Sintered composite boron carbide body and production process thereof
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United States of America Patent
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May 23, 1995
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N/A
app pub date -
Dec 6, 1991
filing date -
Dec 12, 1990
priority date (Note) -
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Abstract
A sintered composite boron carbide body with SiC and/or TiB.sub.2 having a grain size of the order of nanometers and distributed among B.sub.4 C crystal grains and/or within the B.sub.4 C crystal grains is produced by hot-pressing a powder mix, which is composed of 44-99.5 vol. % B.sub.4 C, 0.5-60 vol. % SiC and/or 0.5-60 vol. % TiC, at 1,800-2,300.degree. C. for 5-600 minutes.
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