JP2916198B

PURPOSE:To improve characteristic of a sintered compact by coating the surface with super fine particles of inorganic material. CONSTITUTION:Apparatus is constituted with a plasma torch A, qualtz double tube B, cooling double tube C, chamber D, methane gas cylinder E instead of raw material device f...

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Hauptverfasser:	YAMADA YUKYOSHI, UMEYA KAORU, AKYAMA SATOSHI, KURODA EISUKE, FUYUKI TADASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	PURPOSE:To improve characteristic of a sintered compact by coating the surface with super fine particles of inorganic material. CONSTITUTION:Apparatus is constituted with a plasma torch A, qualtz double tube B, cooling double tube C, chamber D, methane gas cylinder E instead of raw material device for super fine particle and coating raw material particle supplying device F. Diamond powder supplied from F is introduced from powder supplying hole 20 and by bringing into contact with methane as the raw material of carbon super fine particles in high temp. plasma from the plasma torch A under fluidized condition at the place of C and D, the diamond particle surface is coated with the super fine particles of carbon. By this method, the particles having excellent compactibility can be manufactured.