Properties of various sintered rare earth-cobalt permanent magnets between -60° and +200°C
The temperature dependency of remanence, intrinsic and induction coercivity, energy product and loop squareness of sintered rare earth-cobalt permanent magnets was studied. High-energy magnets having room-temperature energy products of 19-30 MGOe were characterized with view toward their use in air-...
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| Veröffentlicht in: | IEEE transactions on magnetics 1980-09, Vol.16 (5), p.994-996 |
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| container_end_page | 996 |
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| container_title | IEEE transactions on magnetics |
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| creator | Abdelnour, Z. Mildrum, H. Strnat, K. |
| description | The temperature dependency of remanence, intrinsic and induction coercivity, energy product and loop squareness of sintered rare earth-cobalt permanent magnets was studied. High-energy magnets having room-temperature energy products of 19-30 MGOe were characterized with view toward their use in air-borne electrical machinery. The temperature variation of the commonly used design parameters is reported for six types of commercial magnets based on SmCo 5 , (Sm, Pr)Co 5 and modified Sm 2 Co 17 , which had been fabricated by three common field-pressing methods. Demagnetization curves were measured at four temperatures, from -60°C to +200°C. This paper identifies the magnet types by nominal composition and pressing geometry; it briefly discusses the methods of measurement and it reports detailed magnetic property data of value to the magnet user. |
| doi_str_mv | 10.1109/TMAG.1980.1060663 |
| format | Article |
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High-energy magnets having room-temperature energy products of 19-30 MGOe were characterized with view toward their use in air-borne electrical machinery. The temperature variation of the commonly used design parameters is reported for six types of commercial magnets based on SmCo 5 , (Sm, Pr)Co 5 and modified Sm 2 Co 17 , which had been fabricated by three common field-pressing methods. Demagnetization curves were measured at four temperatures, from -60°C to +200°C. 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High-energy magnets having room-temperature energy products of 19-30 MGOe were characterized with view toward their use in air-borne electrical machinery. The temperature variation of the commonly used design parameters is reported for six types of commercial magnets based on SmCo 5 , (Sm, Pr)Co 5 and modified Sm 2 Co 17 , which had been fabricated by three common field-pressing methods. Demagnetization curves were measured at four temperatures, from -60°C to +200°C. 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High-energy magnets having room-temperature energy products of 19-30 MGOe were characterized with view toward their use in air-borne electrical machinery. The temperature variation of the commonly used design parameters is reported for six types of commercial magnets based on SmCo 5 , (Sm, Pr)Co 5 and modified Sm 2 Co 17 , which had been fabricated by three common field-pressing methods. Demagnetization curves were measured at four temperatures, from -60°C to +200°C. This paper identifies the magnet types by nominal composition and pressing geometry; it briefly discusses the methods of measurement and it reports detailed magnetic property data of value to the magnet user.</abstract><pub>IEEE</pub><doi>10.1109/TMAG.1980.1060663</doi><tpages>3</tpages></addata></record> |
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| identifier | ISSN: 0018-9464 |
| ispartof | IEEE transactions on magnetics, 1980-09, Vol.16 (5), p.994-996 |
| issn | 0018-9464 1941-0069 |
| language | eng |
| recordid | cdi_crossref_primary_10_1109_TMAG_1980_1060663 |
| source | IEEE Electronic Library (IEL) |
| subjects | Coercive force Demagnetization Machinery Magnetic field measurement Magnetic properties Permanent magnets Pressing Remanence Temperature dependence Temperature measurement |
| title | Properties of various sintered rare earth-cobalt permanent magnets between -60° and +200°C |
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