Method of producing a spinel type ceramic sintered body
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United States of America Patent
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Jun 14, 1988
Grant Date -
N/A
app pub date -
Jul 1, 1986
filing date -
Jul 10, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A spinel type ceramic sintered body is provided starting from a chromiferous slag which is a waste discharged from sodium chromate production, said sintered body being reproducable by selecting the mole ratios of R.sub.2 O/MgO to 0.9-2.0 and SiO.sub.2 /MgO to 1-6 wherein R represents collectively Al, Fe and Cr, the sintered body having high thermal conductivity falling within the range of 1.3-2.5 kcal/mh.degree. C., specific electric resistance falling within the range of 10.sup.2 -10.sup.7 cm high mechanical strengths and unique coloration and which can be used as a functional tile.
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