Awọn oofa Ferrite tabi awọn oofa seramiki jẹ lilo pupọ ni awọn agbohunsoke, awọn nkan isere, awọn ọkọ ayọkẹlẹ DC, awọn agbega oofa, awọn sensosi, awọn microwaves ati awọn iyapa oofa ile-iṣẹ ati awọn eto mimu, nitori resistance to dara si demagnetization ati idiyele ti o kere julọ laarin gbogbo iru awọn oofa ayeraye.
1. Giga sooro si ipata. Iboju deede ko nilo lati daabobo awọn oofa ferrite lati ipata, ṣugbọn fun awọn idi miiran, fun apẹẹrẹ ibora iposii ti a lo lati rii daju pe awọn oofa ayeraye seramiki mimọ ati ti ko ni eruku.
2. O tayọ gbona išẹ. Ti ọja naa ba nilo oofa ti o nilo ifarada awọn iwọn otutu iṣẹ ṣiṣe to 300 °C, lakoko ti o n ṣetọju agbara oofa, jọwọ yan lati gbero awọn oofa ayeraye ferrite bi aṣayan kan.
3. Gíga sooro si demagnetization.
4. Idurosinsin ati ifarada owo. Awọn oofa Ferrite jẹ pipe fun iṣelọpọ pupọ, ni ibamu si awọn ibeere alabara. Ohun elo aise fun alloy oofa yii rọrun lati gba ati ilamẹjọ.
Lile ati brittle. O jẹ ki awọn oofa Ferrite ko dara fun ohun elo taara ni ikole ẹrọ, nitori eewu giga ti wọn yoo fọ ati pipin labẹ ẹru ẹrọ.
1. Ferrite oofa ti wa ni iṣelọpọ ninu awọn apejọ oofa.
2. Ferrite oofa ti wa ni idapo pelu a rọ ṣiṣu.
Ni pato a kii ṣe olupese oofa Ferrite, ṣugbọn a ni imọ oofa nipa awọn oriṣi awọn oofa ayeraye pẹlu Ferrite. Pẹlupẹlu, a le pese orisun iduro kan fun awọn oofa ilẹ toje, ati awọn apejọ oofa, eyiti o le dinku agbara awọn alabara ni ṣiṣe pẹlu ọpọlọpọ awọn olupese lati ra ọpọlọpọ awọn ọja oofa ni idiyele to dara.
Ipele | Br | Hcb | Hcj | (BH) ti o pọju | Dédéédé | |||||||
mT | Gs | kA/m | Oe | kA/m | Oe | kJ/m3 | MGOe | TDK | MMPA | HF | Ni gbogbogbo ti a pe ni Ilu China | |
Y8T | 200-235 | 2000-2350 | 125-160 | Ọdun 1570-2010 | 210-280 | 2640-3520 | 6.5-9.5 | 0.82-1.19 | FB1A | C1 | HF8/22 | |
Y25 | 360-400 | 3600-4000 | 135-170 | 1700-2140 | 140-200 | Ọdun 1760-2520 | 22.5-28.0 | 2.83-3.52 | HF24/16 | |||
Y26H-1 | 360-390 | 3600-3900 | 200-250 | 2520-3140 | 225-255 | 2830-3200 | 23.0-28.0 | 2.89-3.52 | FB3X | HF24/23 | ||
Y28 | 370-400 | 3700-4000 | 175-210 | 2200-2640 | 180-220 | 2260-2760 | 26.0-30.0 | 3.27-3.77 | C5 | HF26/18 | Y30 | |
Y28H-1 | 380-400 | 3800-4000 | 240-260 | 3015-3270 | 250-280 | 3140-3520 | 27.0-30.0 | 3.39-3.77 | FB3G | C8 | HF28/26 | |
Y28H-2 | 360-380 | 3600-3800 | 271-295 | 3405-3705 | 382-405 | 4800-5090 | 26.0-28.5 | 3.27-3.58 | FB6E | C9 | HF24/35 | |
Y30H-1 | 380-400 | 3800-4000 | 230-275 | 2890-3450 | 235-290 | 2950-3650 | 27.0-31.5 | 3.39-3.96 | FB3N | HF28/24 | Y30BH | |
Y30H-2 | 395-415 | 3950-4150 | 275-300 | 3450-3770 | 310-335 | 3900-4210 | 27.0-32.0 | 3.39-4.02 | FB5DH | C10(C8A) | HF28/30 | |
Y32 | 400-420 | 4000-4200 | 160-190 | Ọdun 2010-2400 | 165-195 | 2080-2450 | 30.0-33.5 | 3.77-4.21 | FB4A | HF30/16 | ||
Y32H-1 | 400-420 | 4000-4200 | 190-230 | 2400-2900 | 230-250 | 2900-3140 | 31.5-35.0 | 3.96-4.40 | HF32/17 | Y35 | ||
Y32H-2 | 400-440 | 4000-4400 | 224-240 | 2800-3020 | 230-250 | 2900-3140 | 31.0-34.0 | 3.89-4.27 | FB4D | HF30/26 | Y35BH | |
Y33 | 410-430 | 4100-4300 | 220-250 | 2760-3140 | 225-255 | 2830-3200 | 31.5-35.0 | 3.96-4.40 | HF32/22 | |||
Y33H | 410-430 | 4100-4300 | 250-270 | 3140-3400 | 250-275 | 3140-3450 | 31.5-35.0 | 3.96-4.40 | FB5D | HF32/25 | ||
Y33H-2 | 410-430 | 4100-4300 | 285-315 | 3580-3960 | 305-335 | 3830-4210 | 31.8-35.0 | 4.0-4.40 | FB6B | C12 | HF30/32 | |
Y34 | 420-440 | 4200-4400 | 250-280 | 3140-3520 | 260-290 | 3270-3650 | 32.5-36.0 | 4.08-4.52 | C8B | HF32/26 | ||
Y35 | 430-450 | 4300-4500 | 230-260 | 2900-3270 | 240-270 | 3015-3400 | 33.1-38.2 | 4.16-4.80 | FB5N | C11(C8C) | ||
Y36 | 430-450 | 4300-4500 | 260-290 | 3270-3650 | 265-295 | 3330-3705 | 35.1-38.3 | 4.41-4.81 | FB6N | HF34/30 | ||
Y38 | 440-460 | 4400-4600 | 285-315 | 3580-3960 | 295-325 | 3705-4090 | 36.6-40.6 | 4.60-5.10 | ||||
Y40 | 440-460 | 4400-4600 | 315-345 | 3960-4340 | 320-350 | 4020-4400 | 37.6-41.6 | 4.72-5.23 | FB9B | HF35/34 | ||
Y41 | 450-470 | 4500-4700 | 245-275 | 3080-3460 | 255-285 | 3200-3580 | 38.0-42.0 | 4.77-5.28 | FB9N | |||
Y41H | 450-470 | 4500-4700 | 315-345 | 3960-4340 | 385-415 | 4850-5220 | 38.5-42.5 | 4.84-5.34 | FB12H | |||
Y42 | 460-480 | 4600-4800 | 315-335 | 3960-4210 | 355-385 | 4460-4850 | 40.0-44.0 | 5.03-5.53 | FB12B | |||
Y42H | 460-480 | 4600-4800 | 325-345 | 4080-4340 | 400-440 | 5020-5530 | 40.0-44.0 | 5.03-5.53 | FB14H | |||
Y43 | 465-485 | 4650-4850 | 330-350 | 4150-4400 | 350-390 | 4400-4900 | 40.5-45.5 | 5.09-5.72 | FB13B |
Awọn abuda | Olusọdipúpọ Iwọn otutu Yipada, α(Br) | Iṣatunṣe iwọn otutu ti o le yi pada, β(Hcj) | Ooru pato | Curie otutu | Iwọn Iṣiṣẹ ti o pọju | iwuwo | Lile, Vickers | Itanna Resistivity | Agbara fifẹ | Iyipada Rupture Agbara | Agbara Iyipada |
Ẹyọ | %/ºC | %/ºC | kal/gºC | ºC | ºC | g/cm3 | Hv | μΩ • cm | N/mm2 | N/mm2 | kgf/mm2 |
Iye | -0.2 | 0.3 | 0.15-0.2 | 450 | 250 | 4.8-4.9 | 480-580 | > 104 | <100 | 300 | 5-10 |