Ceramic sintered bodies

• Main Author: YAMADA HIROTAKE
• Format: Patent
• Language: English
• Published: 27.01.2005
• Edition: 7
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; LIME, MAGNESIA; METALLURGY; PERFORMING OPERATIONS; REFRACTORIES; SLAG; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TRANSPORTING; TREATMENT OF NATURAL STONE

Ceramic sintered bodies 1, 11 have first phases 3, 13 and second phases 2, 12, respectively. The first and second phases contact each other. The first phase has a thickness "TA" larger than the thickness "TB" of the second phase. 80 percent or more of particles constituting the first phase have diameters in a range of 0.2 to 3 mum, and 80 percent or more of particles constituting the second phase have diameters in a range of 0.3 to 3 mum.