METODO DI FABBRICAZIONE DI UN MAGNETE PERMANENETE ANISOTROPO,A CARATTERE DI OSSIDO
In order to obtain a sintered oxidic permanent magnetic material with improved properties, a mixture is prepared which forms a magnet having a composition defined by the formula MeFe22+Fe163+O27, where Me is one or more of the metals barium or strontium, optionally partly replaced by clacium and/or...
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| creator | LOTGERING FREDERIK KAREL VROMAN PETRUS HELENA GERARDUS MARIA |
| description | In order to obtain a sintered oxidic permanent magnetic material with improved properties, a mixture is prepared which forms a magnet having a composition defined by the formula MeFe22+Fe163+O27, where Me is one or more of the metals barium or strontium, optionally partly replaced by clacium and/or lead. A prefired product having a ferrous iron content which corresponds to the stoichiometric ferrous content of the product composition is sintered at a temperature between 1160 DEG and 1250 DEG C. in an atmopshere having such an oxygen concentration that substantially no oxygen exchange takes place between the product and the atmosphere. |
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A prefired product having a ferrous iron content which corresponds to the stoichiometric ferrous content of the product composition is sintered at a temperature between 1160 DEG and 1250 DEG C. in an atmopshere having such an oxygen concentration that substantially no oxygen exchange takes place between the product and the atmosphere.</description><edition>4</edition><language>ita</language><subject>ARTIFICIAL STONE ; BASIC ELECTRIC ELEMENTS ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; ELECTRICITY ; INDUCTANCES ; LIME, MAGNESIA ; MAGNETS ; METALLURGY ; REFRACTORIES ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; SLAG ; TRANSFORMERS ; TREATMENT OF NATURAL STONE</subject><creationdate>1986</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=19860903&DB=EPODOC&CC=IT&NR=1136622B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860903&DB=EPODOC&CC=IT&NR=1136622B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LOTGERING FREDERIK KAREL</creatorcontrib><creatorcontrib>VROMAN PETRUS HELENA GERARDUS MARIA</creatorcontrib><title>METODO DI FABBRICAZIONE DI UN MAGNETE PERMANENETE ANISOTROPO,A CARATTERE DI OSSIDO</title><description>In order to obtain a sintered oxidic permanent magnetic material with improved properties, a mixture is prepared which forms a magnet having a composition defined by the formula MeFe22+Fe163+O27, where Me is one or more of the metals barium or strontium, optionally partly replaced by clacium and/or lead. 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A prefired product having a ferrous iron content which corresponds to the stoichiometric ferrous content of the product composition is sintered at a temperature between 1160 DEG and 1250 DEG C. in an atmopshere having such an oxygen concentration that substantially no oxygen exchange takes place between the product and the atmosphere.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRICITY INDUCTANCES LIME, MAGNESIA MAGNETS METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SLAG TRANSFORMERS TREATMENT OF NATURAL STONE |
| title | METODO DI FABBRICAZIONE DI UN MAGNETE PERMANENETE ANISOTROPO,A CARATTERE DI OSSIDO |
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