Method for producing nanocomposite magnet using atomizing method
Iron-based rare earth alloy nanocomposite magnetic powder is produced by an atomization method, and contains >=2 ferromagnetic crystal phases. The average size of the hard crystal phase is 10-200nm and the average size of the soft magnetic phase is 1-100nm. The powder has the composition (Fe 1-mT...
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| creator | HIGASHIDA TAKAAKI HISAMURA HIROTAKA ITOI SHINSUKE |
| description | Iron-based rare earth alloy nanocomposite magnetic powder is produced by an atomization method, and contains >=2 ferromagnetic crystal phases. The average size of the hard crystal phase is 10-200nm and the average size of the soft magnetic phase is 1-100nm. The powder has the composition (Fe 1-mT m) 100-x-y-z-nQ xR yTi zM n. T : Co and/or Ni; Q : B and/or C; R : rare earth metal and/or yttrium; M : Nb, Zr, Mo, Ta and/or Hf; x : 10-25 atom%; y : 6-10 atom%; z : 0.1-12 atom%; m : 0-0.5; n : 0-10 atom%. Independent claims are also included for (1) a bonded magnet containing the powder; (2) the manufacture of the powder; and (3) the manufacture of the bonded magnet. |
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The average size of the hard crystal phase is 10-200nm and the average size of the soft magnetic phase is 1-100nm. The powder has the composition (Fe 1-mT m) 100-x-y-z-nQ xR yTi zM n. T : Co and/or Ni; Q : B and/or C; R : rare earth metal and/or yttrium; M : Nb, Zr, Mo, Ta and/or Hf; x : 10-25 atom%; y : 6-10 atom%; z : 0.1-12 atom%; m : 0-0.5; n : 0-10 atom%. 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Independent claims are also included for (1) a bonded magnet containing the powder; (2) the manufacture of the powder; and (3) the manufacture of the bonded magnet.</description><subject>ALLOYS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CABLES</subject><subject>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</subject><subject>CASTING</subject><subject>CHEMISTRY</subject><subject>CONDUCTORS</subject><subject>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>INDUCTANCES</subject><subject>INSULATORS</subject><subject>MAGNETS</subject><subject>MAKING METALLIC POWDER</subject><subject>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</subject><subject>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>PRINTED CIRCUITS</subject><subject>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>SEMICONDUCTOR DEVICES</subject><subject>TRANSFORMERS</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WORKING METALLIC POWDER</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2003</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDwTS3JyE9RSMsvUigoyk8pTc7MS1fIS8zLT87PLcgvzixJVchNTM9LLVEoLQZJJZbk52ZWgVi5YJ08DKxpiTnFqbxQmptB3s01xNlDN7UgPz61uCAxORWoOd7Zz9DEzNTA3MzRmLAKAFOTMSQ</recordid><startdate>20031231</startdate><enddate>20031231</enddate><creator>HIGASHIDA TAKAAKI</creator><creator>HISAMURA HIROTAKA</creator><creator>ITOI SHINSUKE</creator><scope>EVB</scope></search><sort><creationdate>20031231</creationdate><title>Method for producing nanocomposite magnet using atomizing method</title><author>HIGASHIDA TAKAAKI ; HISAMURA HIROTAKA ; ITOI SHINSUKE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1465076A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2003</creationdate><topic>ALLOYS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CABLES</topic><topic>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</topic><topic>CASTING</topic><topic>CHEMISTRY</topic><topic>CONDUCTORS</topic><topic>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>INDUCTANCES</topic><topic>INSULATORS</topic><topic>MAGNETS</topic><topic>MAKING METALLIC POWDER</topic><topic>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</topic><topic>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>PRINTED CIRCUITS</topic><topic>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</topic><topic>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</topic><topic>SEMICONDUCTOR DEVICES</topic><topic>TRANSFORMERS</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WORKING METALLIC POWDER</topic><toplevel>online_resources</toplevel><creatorcontrib>HIGASHIDA TAKAAKI</creatorcontrib><creatorcontrib>HISAMURA HIROTAKA</creatorcontrib><creatorcontrib>ITOI SHINSUKE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HIGASHIDA TAKAAKI</au><au>HISAMURA HIROTAKA</au><au>ITOI SHINSUKE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for producing nanocomposite magnet using atomizing method</title><date>2003-12-31</date><risdate>2003</risdate><abstract>Iron-based rare earth alloy nanocomposite magnetic powder is produced by an atomization method, and contains >=2 ferromagnetic crystal phases. 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| subjects | ALLOYS BASIC ELECTRIC ELEMENTS CABLES CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CASTING CHEMISTRY CONDUCTORS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INDUCTANCES INSULATORS MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PERFORMING OPERATIONS POWDER METALLURGY PRINTED CIRCUITS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SEMICONDUCTOR DEVICES TRANSFORMERS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER |
| title | Method for producing nanocomposite magnet using atomizing method |
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