Awọn oofa Kobalt Samarium (SmCo Magnet)
ọja Apejuwe
Samarium-Cobalt oofa (SmCo) ni iye iwọn otutu Br ti o dara julọ (-0,035%/℃) fifun ni idawọle ti o ga julọ ti o wa loke iwọn otutu iṣẹ 150℃.Pelu idiyele ti o ga julọ ju awọn ohun elo oofa miiran lọ, SmCo n pese akojọpọ iyalẹnu ti agbara giga, iduroṣinṣin igbona, ati resistance ipata.Awọn ideri aabo ni gbogbogbo ko nilo ayafi fun awọn ohun elo kan pato.Ṣugbọn SmCo jẹ agaran ati ẹlẹgẹ: ti o ba ju silẹ, yoo fọ.
| Awọn paramita Ohun-ini Oofa ti SmCo5 ati Sm2Co17 | ||||||||
| Ipele | Br | Hcb | Hcj | (BH) ti o pọju | Curie Temp. | Iwọn otutu ṣiṣẹ. | Iwọn otutu.olùsọdipúpọ | |
| SmCo5 | ZR16 | 7.7-8.6 | 7.3-8.3 | 20 | 15-18 | 750 | 250 | -0.04 |
| ZR18 | 8.1-9 | 7.6-8.7 | 20 | 16-20 | 750 | 250 | -0.04 | |
| ZR20 | 8.5-9.2 | 8-8.9 | 20 | 18-21 | 750 | 250 | -0.04 | |
| ZR22 | 9-9.6 | 8.5-9.3 | 20 | 20-13 | 750 | 250 | -0.04 | |
| ZR24 | 9.5-10 | 9-9.7 | 20 | 22-25 | 750 | 250 | -0.04 | |
| Sm2Co17 | ZRT18 | 8.1-9 | 7.6-8.7 | 20 | 16-20 | 820 | 350 | -0.01 |
| ZRT22 | 9-9.5 | 8.5-9.3 | 20 | 20-23 | 820 | 350 | -0.015 | |
| Sm2Co17 | ZR24L | 9.5-10 | 5.5-10.3 | 6.5-18 | 22-25 | 820 | 350 | -0.035 |
| ZR24M | 9.5-10 | 8-9.8 | 25 | 22-25 | 820 | 350 | -0.035 | |
| ZR24H | 9.5-10 | 8.6-9.8 | 25 | 22-25 | 820 | 350 | -0.035 | |
| ZR26L | 10-10.5 | 5.5-10.3 | 6.5-18 | 24-27 | 820 | 350 | -0.035 | |
| ZR26M | 10-10.5 | 8-10.3 | 18-25 | 24-27 | 820 | 350 | -0.035 | |
| ZR26H | 10-10.5 | 9.1-10.3 | 25 | 24-27 | 820 | 350 | -0.035 | |
| ZR28L | 10.4-10.8 | 5.5-10.6 | 6.5-18 | 26-29 | 820 | 350 | -0.035 | |
| ZR28M | 10.4-10.8 | 8-10.6 | 18-25 | 26-29 | 820 | 350 | -0.035 | |
| ZR28H | 10.4-10.8 | 9.5-10.6 | 25 | 26-29 | 820 | 350 | -0.035 | |
| ZR30L | 10.8-11.2 | 5.5-11 | 6.5-18 | 28-30 | 820 | 350 | -0.035 | |
| ZR30M | 10.8-11.2 | 8-11 | 18-25 | 28-30 | 820 | 350 | -0.035 | |
| ZR30H | 10.8-11.2 | 9.8-11 | 25 | 28-30 | 820 | 350 | -0.035 | |
| ZR32L | 11.2-11.4 | 5.5-11.2 | 6.5-18 | 29.5-31 | 820 | 350 | -0.035 | |
| ZR32M | 11.2-11.4 | 8-11.2 | 18-25 | 29.5-31 | 820 | 350 | -0.035 | |
| ZR32H | 11.2-11.4 | 10.2-11.2 | 25 | 29.5-31 | 820 | 350 | -0.035 | |
| ZR33L | 11.4-11.6 | 5.5-11.4 | 6.5-18 | 31-33 | 820 | 350 | -0.035 | |
| ZR33M | 11.4-11.6 | 8-11.4 | 18-25 | 31-33 | 820 | 350 | -0.035 | |
| ZR33H | 11.4-11.6 | 10.4-11.4 | 25 | 31-33 | 820 | 350 | -0.035 | |
