Method for preparing ferrite powder and ferrite powder
The invention discloses a method for preparing ferrite powder. The method comprises the following steps: preparing monocrystal Fe3O4 particles by adopting a hydrothermal method; monocrystal Fe3O4 particles are used as a template, a Fe3O4-metal M hydroxide compound is prepared, metal M is selected fr...
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| creator | SHAO BIN HE YING CHEN DENGMING LI CHAOQUN LAI JIAQI LONG ZHIMEI MA YILONG |
| description | The invention discloses a method for preparing ferrite powder. The method comprises the following steps: preparing monocrystal Fe3O4 particles by adopting a hydrothermal method; monocrystal Fe3O4 particles are used as a template, a Fe3O4-metal M hydroxide compound is prepared, metal M is selected from any one or more of metal elements except alkali metal, alkaline earth metal, aluminum (Al) and iron (Fe), and ions of the metal M can generate hydroxide precipitates under the condition of an alkaline water solution; and finally sintering to obtain ferrite powder. The preparation method has the beneficial effects that a wet chemical combined sintering method is adopted, ferrite powder with the particle size being 0.5 mu m or above can be stably prepared, and the preparation method is particularly suitable for large-scale industrial production requirements; the preparation method is simple, the particle size of the ferrite powder is easy to regulate and control, and the prepared ferrite powder is uniform in eleme |
| format | Patent |
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The method comprises the following steps: preparing monocrystal Fe3O4 particles by adopting a hydrothermal method; monocrystal Fe3O4 particles are used as a template, a Fe3O4-metal M hydroxide compound is prepared, metal M is selected from any one or more of metal elements except alkali metal, alkaline earth metal, aluminum (Al) and iron (Fe), and ions of the metal M can generate hydroxide precipitates under the condition of an alkaline water solution; and finally sintering to obtain ferrite powder. The preparation method has the beneficial effects that a wet chemical combined sintering method is adopted, ferrite powder with the particle size being 0.5 mu m or above can be stably prepared, and the preparation method is particularly suitable for large-scale industrial production requirements; the preparation method is simple, the particle size of the ferrite powder is easy to regulate and control, and the prepared ferrite powder is uniform in eleme</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ; ELECTRICITY ; INDUCTANCES ; INORGANIC CHEMISTRY ; MAGNETS ; METALLURGY ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; TRANSFORMERS</subject><creationdate>2022</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=20220729&DB=EPODOC&CC=CN&NR=114804231A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220729&DB=EPODOC&CC=CN&NR=114804231A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHAO BIN</creatorcontrib><creatorcontrib>HE YING</creatorcontrib><creatorcontrib>CHEN DENGMING</creatorcontrib><creatorcontrib>LI CHAOQUN</creatorcontrib><creatorcontrib>LAI JIAQI</creatorcontrib><creatorcontrib>LONG ZHIMEI</creatorcontrib><creatorcontrib>MA YILONG</creatorcontrib><title>Method for preparing ferrite powder and ferrite powder</title><description>The invention discloses a method for preparing ferrite powder. The method comprises the following steps: preparing monocrystal Fe3O4 particles by adopting a hydrothermal method; monocrystal Fe3O4 particles are used as a template, a Fe3O4-metal M hydroxide compound is prepared, metal M is selected from any one or more of metal elements except alkali metal, alkaline earth metal, aluminum (Al) and iron (Fe), and ions of the metal M can generate hydroxide precipitates under the condition of an alkaline water solution; and finally sintering to obtain ferrite powder. 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The method comprises the following steps: preparing monocrystal Fe3O4 particles by adopting a hydrothermal method; monocrystal Fe3O4 particles are used as a template, a Fe3O4-metal M hydroxide compound is prepared, metal M is selected from any one or more of metal elements except alkali metal, alkaline earth metal, aluminum (Al) and iron (Fe), and ions of the metal M can generate hydroxide precipitates under the condition of an alkaline water solution; and finally sintering to obtain ferrite powder. The preparation method has the beneficial effects that a wet chemical combined sintering method is adopted, ferrite powder with the particle size being 0.5 mu m or above can be stably prepared, and the preparation method is particularly suitable for large-scale industrial production requirements; the preparation method is simple, the particle size of the ferrite powder is easy to regulate and control, and the prepared ferrite powder is uniform in eleme</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INDUCTANCES INORGANIC CHEMISTRY MAGNETS METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS |
| title | Method for preparing ferrite powder and ferrite powder |
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