Fun awọn axially magnetized SmCo silinda oofa, ma ti won le wa ni ti beere ọpọ ọpá magnetized nipasẹ awọn ipari fun diẹ ninu awọn kan pato awọn ohun elo. Awọn ifosiwewe pupọ lo wa lati pinnu boya opopo pupọ naa ṣe magnetizedSmCo oofaO ṣee ṣe tabi rara, fun apẹẹrẹ, ibeere aafo laarin awọn ọpá oofa, iwọn oofa, imuduro magnetizing, awọn ohun-ini oofa, ati bẹbẹ lọ.NdFeB oofa. Ti iwọn oofa SmCo ba tobi ju, magnetizer ati imuduro magnetizing ko le ṣe ina aaye magnetizing to lati magnetize SmCo oofa si itẹlọrun. Ni deede sisanra ti SmCo oofa ni a nilo lati wa ni isalẹ ju 5 mm, ati nigba miiran Hcj yẹ ki o ṣakoso ni ayika tabi ko kọja 15kOe. Šaaju si iṣelọpọ ti o pọju, apẹẹrẹ ti oofa olona-pupọ gbọdọ jẹ ifọwọsi nipasẹ awọn idanwo okeerẹ awọn alabara lati pade ibeere ohun elo.
Nigba miiran, awọn oofa silinda SmCo le nilo fifi sori. Ko dabi oofa Neodymium sintered ti o rọrun lati oxidize, Samarium Cobalt oofa dara ni resistance ipata nitori akopọ ohun elo kan pato laisi Fe tabi pẹlu iwọn 15% irin. Nitorinaa ninu ọpọlọpọ awọn ohun elo, a ko nilo ibora fun oofa SmCo lati ṣe idiwọ ibajẹ. Bibẹẹkọ, ni diẹ ninu awọn aaye ohun elo, oofa SmCo ni a nilo lati bo pẹlu goolu didan tabi lẹwa tabi Nickel lati de irisi pipe.
Nigbati awọn alabara pinnu iru ohun elo oofa ti o yẹ fun ohun elo wọn, wọn tun bikita nipa awọn ohun-ini ti ara. Atẹle ni awọn ohun-ini ti ara fun awọn oofa SmCo:
Awọn abuda | Olusọdipalẹ otutu Iyipada 20-150ºC, α(Br) | Iṣatunṣe iwọn otutu iyipada 20-150ºC, β(Hcj) | olùsọdipúpọ ti Gbona Imugboroosi | Gbona Conductivity | Ooru pato | Curie otutu | Agbara Flexural | iwuwo | Lile, Vickers | Itanna Resistivity |
Ẹyọ | %/ºC | %/ºC | ΔL/L funºCx10-6 | kcal/mhrºC | kal/gºC | ºC | Mpa | g/cm3 | Hv | μΩ • cm |
SmCo5 | -0.04 | -0.2 | //6⊥12 | 9.5 | 0.072 | 750 | 150-180 | 8.3 | 450-550 | 50-60 |
Sm2Co17 | -0.03 | -0.2 | //9⊥11 | 8.5 | 0.068 | 850 | 130-150 | 8.4 | 550-650 | 80-90 |