R-T-B-based sintered magnet and method for producing same
An R-T-B-based sintered magnet characterized by containing 27.5 to 34.0% by mass of R, 2 to 10% by mass of RH, 0.89 to 0.95% by mass of B, 0.1 to 0.2% by mass of Ti, 0.3 to 0.7% by mass of Ga, 0.07 to 0.50% by mass of Cu, 0.05 to 0.50% by mass of Al, 0 to 0.3% by mass of M (wherein M represents Nb a...
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| creator | Nozawa, Noriyuki Kuniyoshi, Futoshi Ishii, Rintaro Satoh, Teppei Nishiuchi, Takeshi |
| description | An R-T-B-based sintered magnet characterized by containing 27.5 to 34.0% by mass of R, 2 to 10% by mass of RH, 0.89 to 0.95% by mass of B, 0.1 to 0.2% by mass of Ti, 0.3 to 0.7% by mass of Ga, 0.07 to 0.50% by mass of Cu, 0.05 to 0.50% by mass of Al, 0 to 0.3% by mass of M (wherein M represents Nb and/or Zr) and a remainder made up by T and unavoidable impurities, and satisfying the following formulae (1), (2) and (3): (1) [T]-72.3([B]-0.45[Ti]) > 0; (2) ([T]-72.3([B]-0.45[Ti]))/55.85 < 13[Ga]/69.72; and (3) [Ga] ≥ [Cu]. |
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(2) ([T]-72.3([B]-0.45[Ti]))/55.85 < 13[Ga]/69.72; and (3) [Ga] ≥ [Cu].</description><language>eng</language><subject>ALLOYS ; BASIC ELECTRIC ELEMENTS ; CASTING ; CHEMISTRY ; ELECTRICITY ; FERROUS OR NON-FERROUS ALLOYS ; INDUCTANCES ; MAGNETS ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; METALLURGY ; PERFORMING OPERATIONS ; POWDER METALLURGY ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; TRANSFORMERS ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WORKING METALLIC POWDER</subject><creationdate>2021</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=20210216&DB=EPODOC&CC=US&NR=10923256B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210216&DB=EPODOC&CC=US&NR=10923256B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Nozawa, Noriyuki</creatorcontrib><creatorcontrib>Kuniyoshi, Futoshi</creatorcontrib><creatorcontrib>Ishii, Rintaro</creatorcontrib><creatorcontrib>Satoh, Teppei</creatorcontrib><creatorcontrib>Nishiuchi, Takeshi</creatorcontrib><title>R-T-B-based sintered magnet and method for producing same</title><description>An R-T-B-based sintered magnet characterized by containing 27.5 to 34.0% by mass of R, 2 to 10% by mass of RH, 0.89 to 0.95% by mass of B, 0.1 to 0.2% by mass of Ti, 0.3 to 0.7% by mass of Ga, 0.07 to 0.50% by mass of Cu, 0.05 to 0.50% by mass of Al, 0 to 0.3% by mass of M (wherein M represents Nb and/or Zr) and a remainder made up by T and unavoidable impurities, and satisfying the following formulae (1), (2) and (3): (1) [T]-72.3([B]-0.45[Ti]) > 0; (2) ([T]-72.3([B]-0.45[Ti]))/55.85 < 13[Ga]/69.72; and (3) [Ga] ≥ [Cu].</description><subject>ALLOYS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CASTING</subject><subject>CHEMISTRY</subject><subject>ELECTRICITY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>INDUCTANCES</subject><subject>MAGNETS</subject><subject>MAKING METALLIC POWDER</subject><subject>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</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>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAM0g3RddJNSixOTVEozswrSS0CMnIT0_NSSxQS84DM1JKM_BSFtPwihYKi_JTS5My8dIXixNxUHgbWtMSc4lReKM3NoOjmGuLsoZtakB-fWlyQmJwKNCM-NNjQwNLI2MjUzMnImBg1AMHBLeA</recordid><startdate>20210216</startdate><enddate>20210216</enddate><creator>Nozawa, Noriyuki</creator><creator>Kuniyoshi, Futoshi</creator><creator>Ishii, Rintaro</creator><creator>Satoh, Teppei</creator><creator>Nishiuchi, Takeshi</creator><scope>EVB</scope></search><sort><creationdate>20210216</creationdate><title>R-T-B-based sintered magnet and method for producing same</title><author>Nozawa, Noriyuki ; Kuniyoshi, Futoshi ; Ishii, Rintaro ; Satoh, Teppei ; Nishiuchi, Takeshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10923256B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2021</creationdate><topic>ALLOYS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CASTING</topic><topic>CHEMISTRY</topic><topic>ELECTRICITY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>INDUCTANCES</topic><topic>MAGNETS</topic><topic>MAKING METALLIC POWDER</topic><topic>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</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>Nozawa, Noriyuki</creatorcontrib><creatorcontrib>Kuniyoshi, Futoshi</creatorcontrib><creatorcontrib>Ishii, Rintaro</creatorcontrib><creatorcontrib>Satoh, Teppei</creatorcontrib><creatorcontrib>Nishiuchi, Takeshi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Nozawa, Noriyuki</au><au>Kuniyoshi, Futoshi</au><au>Ishii, Rintaro</au><au>Satoh, Teppei</au><au>Nishiuchi, Takeshi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>R-T-B-based sintered magnet and method for producing same</title><date>2021-02-16</date><risdate>2021</risdate><abstract>An R-T-B-based sintered magnet characterized by containing 27.5 to 34.0% by mass of R, 2 to 10% by mass of RH, 0.89 to 0.95% by mass of B, 0.1 to 0.2% by mass of Ti, 0.3 to 0.7% by mass of Ga, 0.07 to 0.50% by mass of Cu, 0.05 to 0.50% by mass of Al, 0 to 0.3% by mass of M (wherein M represents Nb and/or Zr) and a remainder made up by T and unavoidable impurities, and satisfying the following formulae (1), (2) and (3): (1) [T]-72.3([B]-0.45[Ti]) > 0; (2) ([T]-72.3([B]-0.45[Ti]))/55.85 < 13[Ga]/69.72; and (3) [Ga] ≥ [Cu].</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INDUCTANCES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER |
| title | R-T-B-based sintered magnet and method for producing same |
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