POROUS MACHINABLE CERAMICS AND ITS PRODUCTION
PURPOSE:To produce porous machinable ceramics having 2.9-5.1 dielectric constant and thermal shock resistance at 250-550 deg.C and satisfactorily machinable with the conventional machine tool, etc. CONSTITUTION:Starting material prepd. by blending 80-92wt.% alumina with 8-20 wt.% boron oxide is mold...
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| creator | JOJIMA MASAAKI KOMATA TAKAHISA UTSUKI TAKESHI KOYANAGI YOSHINORI |
| description | PURPOSE:To produce porous machinable ceramics having 2.9-5.1 dielectric constant and thermal shock resistance at 250-550 deg.C and satisfactorily machinable with the conventional machine tool, etc. CONSTITUTION:Starting material prepd. by blending 80-92wt.% alumina with 8-20 wt.% boron oxide is molded and sintered at 900-1,300 deg.C max. holding temp. to form acicular crystals of Al18B4O33. |
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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 | POROUS MACHINABLE CERAMICS AND ITS PRODUCTION |
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