Non-stoichiometric-ratio high-entropy ceramic and preparation method thereof

The invention discloses non-stoichiometric-ratio high-entropy ceramic and a preparation method thereof, and belongs to the technical field of high-entropy ceramic. The invention provides a non-stoichiometric-ratio high-entropy ceramic, which is one of MCX, MNX and M(CN)X, wherein X is more than or e...

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Hauptverfasser:	ZHAO YUCHENG, ZOU QIN, NING YANGJIN, WANG MINGZHI, ZHAI XINXUAN, LIU SHUTONG
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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Beschreibung
Zusammenfassung:	The invention discloses non-stoichiometric-ratio high-entropy ceramic and a preparation method thereof, and belongs to the technical field of high-entropy ceramic. The invention provides a non-stoichiometric-ratio high-entropy ceramic, which is one of MCX, MNX and M(CN)X, wherein X is more than or equal to 0.5 and less than or equal to 0.9, MCX is a non-stoichiometric-ratio IVB, VB or VIB group transition metal carbide, MNX is a non-stoichiometric-ratio IVB, VB or VIB group transition metal nitride, and M(CN)X is a non-stoichiometric-ratio IVB, VB or VIB group transition metal covalent bond carbon nitrogen compound and is of a single-phase single-face-centered cubic crystal structure. The invention also provides a preparation method of the non-stoichiometric-ratio high-entropy ceramic. According to the invention, the sintering temperature of the high-entropy ceramic is remarkably reduced, the preparation process is simple, and industrial production is facilitated; and the non-stoichiometric-ratio high-entropy