Preparation method of gray zirconia ceramic and gray zirconia ceramic

The invention relates to a preparation method of gray zirconia ceramic, which comprises the following steps: S1, adding a ceramic base material and a dispersing agent into pure water to obtain primary slurry, and grinding the primary slurry to obtain primary slurry; s2, stirring the primary slurry,...

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Hauptverfasser:	YANG QINGSONG, LIU YICHEN, XIANG MING, QIU SHUKUN, LI YI, XIAN RUIWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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	YANG QINGSONG LIU YICHEN XIANG MING QIU SHUKUN LI YI XIAN RUIWEI
description	The invention relates to a preparation method of gray zirconia ceramic, which comprises the following steps: S1, adding a ceramic base material and a dispersing agent into pure water to obtain primary slurry, and grinding the primary slurry to obtain primary slurry; s2, stirring the primary slurry, adding a coloring agent, then adding an alkaline solution, and adjusting the pH value to 7-10 to obtain secondary slurry; s3, sequentially adding a plasticizer and a lubricant into the obtained second-stage slurry to prepare third-stage slurry; s4, sequentially carrying out spray granulation, compression molding, glue discharging treatment and sintering treatment on the obtained third-stage slurry to obtain gray zirconia ceramic; the sintering treatment is carried out in a weak reducing atmosphere. The invention also relates to gray zirconia ceramic. The gray zirconia ceramic can be molded in a temperature range suitable for zirconia ceramic sintering, has better physical properties and can present a gray tone; and
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The invention also relates to gray zirconia ceramic. 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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	Preparation method of gray zirconia ceramic and gray zirconia ceramic
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