Ipilẹ demagnetization, tabi tẹ BH jẹ idamẹrin keji ti hysteresis fun awọn ohun elo oofa lile pẹlu awọn oofa ilẹ toje.O pese alaye nipa awọn abuda oofa ti oofa, pẹlu agbara aaye oofa ati resistance si demagnetize.Paapa ti tẹ ni iwọn otutu giga n pese itọkasi pataki fun awọn onimọ-ẹrọ lati ṣe iṣiro ati ṣawari ohun elo oofa ti o yẹ ati ite lati pade ibeere iṣẹ wọn.Nitorinaa a ngbaradi fun ọ ni awọn iṣipa demagnetization ni ọpọlọpọ awọn iwọn otutu iṣẹ giga fun awọn oofa Neodymium sintered ati Samarium Cobalt oofa iwaju ipele kọọkan ti o wa.Jọwọ tẹ sẹẹli kọọkan fun awọn iṣipa demagnetization rẹ lẹsẹsẹ.
Demagnetization Curves fun Sintered Neodymium Magnets ni isalẹ
Br (kGs) Hcj (kOe) | 10.4 | 10.8 | 11.3 | 11.7 | 12.2 | 12.5 | 12.8 | 13.2 | 13.6 | 14 | 14.3 | Iwọn Iṣiṣẹ ti o pọju. (°C) |
12 | N35 | N38 | N40 | N42 | N45 | N48 | N50 | N52 | 80 | |||
14 | N33M | N35M | N38M | N40M | N42M | N45M | N48M | N50M | 100 | |||
17 | N33H | N35H | N38H | N40H | N42H | N45H | N48H | 120 | ||||
20 | N33SH | N35SH | N38SH | N40SH | N42SH | N45SH | 150 | |||||
25 | N28UH | N30UH | N33UH | N35UH | N38UH | N40UH | 180 | |||||
30 | N28EH | N30EH | N33EH | N35EH | N38EH | 200 | ||||||
35 | N28AH | N30AH | N33AH | 230 |
Demagnetization Curves fun Sintered Samarium Cobalt Magnets ni isalẹ
Br (kGs) Hcj(kOe) | 7.5 | 7.9 | 8.4 | 8.9 | 9.2 | 9.5 | 10.2 | 10.3 | 10.8 | 11 | 11.3 | Iwọn Iṣiṣẹ ti o pọju. (°C) |
15 | YX14 | YX16 | YX18 | YX20 | YX22 | YX24 | 250 | |||||
20 | YX14H | YX16H | YX18H | YX20H | YX22H | YX24H | 250 | |||||
8 | YXG26M | YXG28M | YXG30M | YXG32M | YXG34M | 300 | ||||||
18 | YXG22 | YXG24 | YXG26 | YXG28 | YXG30 | YXG32 | YXG34 | 350 | ||||
25 | YXG22H | YXG24H | YXG26H | YXG28H | YXG30H | YXG32H | YXG34H | 350 | ||||
15 | YXG22LT | 350 |