PRODUCTION OF SILICON CARBIDE SINTERED COMPACT MEMBER
PROBLEM TO BE SOLVED: To provide a method for producing a silicon carbide sintered compact member capable of not only suppressing the release of pollutants such as metals but also nearly completely deterring the release and migrating pollution of a sintering assistant contained in a silicon carbide...
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| creator | TANIIKE SEIJI TAKAHASHI MASATO SUGIZAKI SHIGEAKI TOKUTAKE FUMIO |
| description | PROBLEM TO BE SOLVED: To provide a method for producing a silicon carbide sintered compact member capable of not only suppressing the release of pollutants such as metals but also nearly completely deterring the release and migrating pollution of a sintering assistant contained in a silicon carbide sintered compact from the surface. SOLUTION: The surface of a silicon carbide sintered compact member containing a sintering assistant and subjected to machining after sintering is washed to remove sticking particles. The washed sintered compact member is dried and then heat-treated in an oxidizing atmosphere to oxidize the surface thereof. The produced oxide film layer is removed by washing with an acid and the resultant silicon carbide sintered compact member is further subjected to a heating and purifying treatment in an inert gas atmosphere or a hydrogen chloride-containing gas atmosphere. |
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SOLUTION: The surface of a silicon carbide sintered compact member containing a sintering assistant and subjected to machining after sintering is washed to remove sticking particles. The washed sintered compact member is dried and then heat-treated in an oxidizing atmosphere to oxidize the surface thereof. The produced oxide film layer is removed by washing with an acid and the resultant silicon carbide sintered compact member is further subjected to a heating and purifying treatment in an inert gas atmosphere or a hydrogen chloride-containing gas atmosphere.</description><edition>6</edition><language>eng</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; LIME, MAGNESIA ; METALLURGY ; REFRACTORIES ; SLAG ; TREATMENT OF NATURAL STONE</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990907&DB=EPODOC&CC=JP&NR=H11240780A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990907&DB=EPODOC&CC=JP&NR=H11240780A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANIIKE SEIJI</creatorcontrib><creatorcontrib>TAKAHASHI MASATO</creatorcontrib><creatorcontrib>SUGIZAKI SHIGEAKI</creatorcontrib><creatorcontrib>TOKUTAKE FUMIO</creatorcontrib><title>PRODUCTION OF SILICON CARBIDE SINTERED COMPACT MEMBER</title><description>PROBLEM TO BE SOLVED: To provide a method for producing a silicon carbide sintered compact member capable of not only suppressing the release of pollutants such as metals but also nearly completely deterring the release and migrating pollution of a sintering assistant contained in a silicon carbide sintered compact from the surface. SOLUTION: The surface of a silicon carbide sintered compact member containing a sintering assistant and subjected to machining after sintering is washed to remove sticking particles. The washed sintered compact member is dried and then heat-treated in an oxidizing atmosphere to oxidize the surface thereof. 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SOLUTION: The surface of a silicon carbide sintered compact member containing a sintering assistant and subjected to machining after sintering is washed to remove sticking particles. The washed sintered compact member is dried and then heat-treated in an oxidizing atmosphere to oxidize the surface thereof. The produced oxide film layer is removed by washing with an acid and the resultant silicon carbide sintered compact member is further subjected to a heating and purifying treatment in an inert gas atmosphere or a hydrogen chloride-containing gas atmosphere.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
| title | PRODUCTION OF SILICON CARBIDE SINTERED COMPACT MEMBER |
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