Preparation method of high-entropy nitride ceramic with silicon carbide as sintering aid
The invention discloses a preparation method of high-entropy nitride ceramic with silicon carbide as a sintering aid. The preparation method comprises the steps of raw material treatment, powder synthesis, additive mixing treatment, ceramic sintering and the like. The method comprises the following...
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| creator | ZHANG XIAO LI MAOHUI SONG WUYANG YANG LUTONG YUAN ZHENXIA WANG CHUYUN LU YOUJUN SHEN HONGFANG |
| description | The invention discloses a preparation method of high-entropy nitride ceramic with silicon carbide as a sintering aid. The preparation method comprises the steps of raw material treatment, powder synthesis, additive mixing treatment, ceramic sintering and the like. The method comprises the following steps: by taking HfO2, ZrO2, TiO2, Nb2O5, Ta2O5 and Si3N4 as raw materials, carrying out mechanical ball milling for 5 to 10 hours, and then synthesizing the submicron single-phase (Hf < 0.2 > Zr < 0.2 > Ti < 0.2 > Nb < 0.2 > Ta < 0.2 >) N high-entropy powder at the temperature of 1,800 DEG C; then, the high-entropy powder is used as a raw material, SiC is added to serve as a sintering aid, and SPS is adopted for sintering at the temperature of 1900-2100 DEG C to prepare the (Hf < 0.2 > Zr < 0.2 > Ti < 0.2 > Nb < 0.2 > Ta < 0.2 >) N high-entropy ceramic added with 5-15 mol% of SiC. According to the preparation method of the high-entropy nitride ceramic taking silicon carbide as the sintering aid, the sintering aid |
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The preparation method comprises the steps of raw material treatment, powder synthesis, additive mixing treatment, ceramic sintering and the like. The method comprises the following steps: by taking HfO2, ZrO2, TiO2, Nb2O5, Ta2O5 and Si3N4 as raw materials, carrying out mechanical ball milling for 5 to 10 hours, and then synthesizing the submicron single-phase (Hf < 0.2 > Zr < 0.2 > Ti < 0.2 > Nb < 0.2 > Ta < 0.2 >) N high-entropy powder at the temperature of 1,800 DEG C; then, the high-entropy powder is used as a raw material, SiC is added to serve as a sintering aid, and SPS is adopted for sintering at the temperature of 1900-2100 DEG C to prepare the (Hf < 0.2 > Zr < 0.2 > Ti < 0.2 > Nb < 0.2 > Ta < 0.2 >) N high-entropy ceramic added with 5-15 mol% of SiC. According to the preparation method of the high-entropy nitride ceramic taking silicon carbide as the sintering aid, the sintering aid]]></description><language>chi ; eng</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; LIME, MAGNESIA ; METALLURGY ; REFRACTORIES ; SLAG ; TREATMENT OF NATURAL STONE</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240621&DB=EPODOC&CC=CN&NR=118221438A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240621&DB=EPODOC&CC=CN&NR=118221438A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG XIAO</creatorcontrib><creatorcontrib>LI MAOHUI</creatorcontrib><creatorcontrib>SONG WUYANG</creatorcontrib><creatorcontrib>YANG LUTONG</creatorcontrib><creatorcontrib>YUAN ZHENXIA</creatorcontrib><creatorcontrib>WANG CHUYUN</creatorcontrib><creatorcontrib>LU YOUJUN</creatorcontrib><creatorcontrib>SHEN HONGFANG</creatorcontrib><title>Preparation method of high-entropy nitride ceramic with silicon carbide as sintering aid</title><description><![CDATA[The invention discloses a preparation method of high-entropy nitride ceramic with silicon carbide as a sintering aid. The preparation method comprises the steps of raw material treatment, powder synthesis, additive mixing treatment, ceramic sintering and the like. The method comprises the following steps: by taking HfO2, ZrO2, TiO2, Nb2O5, Ta2O5 and Si3N4 as raw materials, carrying out mechanical ball milling for 5 to 10 hours, and then synthesizing the submicron single-phase (Hf < 0.2 > Zr < 0.2 > Ti < 0.2 > Nb < 0.2 > Ta < 0.2 >) N high-entropy powder at the temperature of 1,800 DEG C; then, the high-entropy powder is used as a raw material, SiC is added to serve as a sintering aid, and SPS is adopted for sintering at the temperature of 1900-2100 DEG C to prepare the (Hf < 0.2 > Zr < 0.2 > Ti < 0.2 > Nb < 0.2 > Ta < 0.2 >) N high-entropy ceramic added with 5-15 mol% of SiC. 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The preparation method comprises the steps of raw material treatment, powder synthesis, additive mixing treatment, ceramic sintering and the like. The method comprises the following steps: by taking HfO2, ZrO2, TiO2, Nb2O5, Ta2O5 and Si3N4 as raw materials, carrying out mechanical ball milling for 5 to 10 hours, and then synthesizing the submicron single-phase (Hf < 0.2 > Zr < 0.2 > Ti < 0.2 > Nb < 0.2 > Ta < 0.2 >) N high-entropy powder at the temperature of 1,800 DEG C; then, the high-entropy powder is used as a raw material, SiC is added to serve as a sintering aid, and SPS is adopted for sintering at the temperature of 1900-2100 DEG C to prepare the (Hf < 0.2 > Zr < 0.2 > Ti < 0.2 > Nb < 0.2 > Ta < 0.2 >) N high-entropy ceramic added with 5-15 mol% of SiC. According to the preparation method of the high-entropy nitride ceramic taking silicon carbide as the sintering aid, the sintering aid]]></abstract><oa>free_for_read</oa></addata></record> |
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| title | Preparation method of high-entropy nitride ceramic with silicon carbide as sintering aid |
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