JP2955745B

PROBLEM TO BE SOLVED: To obtain composite ceramics almost free from unevenness in strength characteristics and having a high-temp. strength, heat and shock resistance and high toughness by using specified whiskers grown from matrix particles or fibers. SOLUTION: This composite ceramics contains whis...

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Hauptverfasser:	MYATA MOTOYUKI, KANAI TSUNEYUKI, SAWAI JUICHI, YASUTOMI YOSHUKI, MAEDA KUNIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CRYSTAL GROWTH LIME, MAGNESIA METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL REFRACTORIES SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH SLAG TREATMENT OF NATURAL STONE UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain composite ceramics almost free from unevenness in strength characteristics and having a high-temp. strength, heat and shock resistance and high toughness by using specified whiskers grown from matrix particles or fibers. SOLUTION: This composite ceramics contains whiskers grown from matrix particles or fibers and oriented at random. The distribution density of the whiskers is max. in the surface of this ceramics and decreases toward the interior. The pref. aspect ratio of each of the whiskers is 5-100, the pref. diameter is 0.1-5μm and the pref. volume fraction of the whiskers is 5-30%.