FIREPROOF MATERIAL FOR LOW MELTING POINT NONFERROUS METAL

To provide a fireproof material having low reactivity and excellent heat resistance.SOLUTION: A fireproof material for a low melting point nonferrous metal according to the present invention is formed containing 20-75 mass% of a silicon carbide material, 20-75 mass% of a silicon nitride material, an...

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Bibliographische Detailangaben
Hauptverfasser:	ARIGA KIKUO, KATO MASAHITO, ASADA KAZUTO, IWAMOTO TAKASHI, ISHII AKITO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARTIFICIAL STONE CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	To provide a fireproof material having low reactivity and excellent heat resistance.SOLUTION: A fireproof material for a low melting point nonferrous metal according to the present invention is formed containing 20-75 mass% of a silicon carbide material, 20-75 mass% of a silicon nitride material, and 3-22 mass% of a fused quartz material when the whole is 100 mass%, and has a porosity of 8-18% and a compressive strength of 50 MPa or more. The fireproof material for a low melting point nonferrous metal according to the present invention is a fireproof material having high heat resistance and damage resistance and also having high thermal shock resistance.SELECTED DRAWING: None 【課題】反応性が低く、かつ耐熱性に優れた耐火材を提供すること。【解決手段】本発明の低融点非鉄金属用耐火材は、全体を１００ｍａｓｓ％としたときに、２０〜７５ｍａｓｓ％の炭化ケイ素質材と、２０〜７５ｍａｓｓ％の窒化ケイ素質材と、３〜２２ｍａｓｓ％の溶融石英質材と、を含有して形成され、気孔率が８〜１８％、圧縮強度が５０ＭＰａ以上であることを特徴とする。本発明の低融点非鉄金属用耐火材は、高い耐熱性及び耐損傷性を備えかつ耐熱衝撃性の高い耐火材となる。【選択図】なし