Catalytic reaction sintered silicon carbide ceramic and preparation method thereof

Catalytic reaction sintered silicon carbide ceramic and preparation method thereof

The invention discloses a catalytic reaction sintered silicon carbide ceramic and a preparation method thereof, and belongs to the technical field of inorganic nonmetallic materials. The preparation method comprises the following steps: uniformly mixing silicon with an in-situ catalyst zirconium dis...

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Hauptverfasser: HUANG BINWEI, NIE HAIFENG, QIAN ZHUANG, HUANG QING, LI YINSHENG, ZHAN ZHAOLIN
Format: Patent
Sprache:chi ; eng
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ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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creator HUANG BINWEI
NIE HAIFENG
QIAN ZHUANG
HUANG QING
LI YINSHENG
ZHAN ZHAOLIN
description The invention discloses a catalytic reaction sintered silicon carbide ceramic and a preparation method thereof, and belongs to the technical field of inorganic nonmetallic materials. The preparation method comprises the following steps: uniformly mixing silicon with an in-situ catalyst zirconium disilicide to prepare an infiltration material, putting a SiC/C biscuit or a pure C biscuit into a graphite crucible, completely embedding the ceramic biscuit by using sufficient Si/ZrSi2 infiltration material, and carrying out infiltration and catalytic reaction under a vacuum condition to generate the silicon carbide ceramic. According to the invention, zirconium disilicide is added as a catalyst on the basis of using silicon powder as an infiltration raw material, the eutectic point and viscosity of the infiltration material are significantly reduced, the infiltration efficiency is effectively improved, zirconium disilicide has a significant catalysis effect on silicon carbide generated by reaction of silicon and c
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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 Catalytic reaction sintered silicon carbide ceramic and preparation method thereof
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