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ÀWỌN OHUN WÍWỌ̀
Ferrite Toroid Core: Copper-Zinc Ferrite Milled 200 Hours, Fired at 1050 °C (Snoek)
Ferrite is a ceramic magnet: iron oxide combined with other metal oxides, carrying magnetic flux while hardly conducting electricity. In his first ferrite patent (US 2,452,529, 1948) Snoek at Philips ground the oxides very fine and fired rings in oxygen. This copper-zinc ferrite is milled about 200 hours, fired 2 hours at 1050 °C and held 12 hours at 600 °C; his core had an initial permeability of 200.
The picture: our diagram.
Ilọsíwájú
2 weeks
Ìlànà
1
1
Mix 20 : 30 : 50 mol
Mix 20 : 30 : 50 mol
Mix pure copper oxide, zinc oxide and ferric oxide, 20 : 30 : 50 mol %. Ours, by weight: 13.24 g copper oxide, 20.32 g zinc oxide and 66.44 g ferric oxide per 100 g.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Oxide Bàbà13.24 g
Lulú Sínkì Ọ́ksídì20.32 g
Ọ́kísáìdì irin (III)66.44 gÀwọn irinṣẹ́ tí a nílò:
Òǹwọ̀n ìdọ́gba
Ìbòjú Eruku2
2
Grind about 200 hours in an iron ball mill
Grind about 200 hours in an iron ball mill
Grind the mixture for about 200 hours in an iron ball mill.
Àwọn irinṣẹ́ tí a nílò:
Ẹ̀rọ Lílọ Bọ́ọ̀lù IrinÌbòjú Eruku3
3
Mould a ring at 4 tons per cm²
Mould a ring at 4 tons per cm²
Press the powder at 4 tons per square centimetre into a ring 3 cm across with a 4 × 4 mm section.
Àwọn irinṣẹ́ tí a nílò:
Ẹ̀rọ ìtẹ̀ háídírọ́líìkì
Ìdà Títẹ̀ Òrùka4
4
Fire 2 hours at 1050 °C, hold 12 hours at 600 °C
Fire 2 hours at 1050 °C, hold 12 hours at 600 °C
Heat the ring for two hours at 1050 °C in a current of oxygen, cool at 5 °C a minute to 600 °C, hold it there 12 hours, then cool to room temperature, all in oxygen. Snoek's core: initial permeability 200.
Àwọn irinṣẹ́ tí a nílò:
Ààrò Ọ̀pọ́n
Oxygen
Àgbá gáàsì tí a fi ìfúnpá kún
Pirómítà
Ẹmú Ìkòkò Ìyọ́
Ìbọ̀wọ́ Tí Ń Fara Da OoruÀwọn ohun-èlò
3- 13.24 gÀyè
- 20.32 gÀyè
- 66.44 gÀyè
Àwọn irinṣẹ́ tó nílò
11- Àyè
- Àyè
- Àyè
- Àyè
Ìtọ́nisọ́nà yìí ń ṣe
Blueprint tó jọra
Àwọn blueprint wọ̀nyí pín ìmọ̀ — ọ̀nà, ohun-èlò tàbí ìlànà
Léwu
Ferrite Toroid Core: Nickel-Zinc Ferrite Sintered at 1300 °C in Oxygen (Snoek)
láti ọwọ́ Charlie
Ti Ilé-iṣẹ́
15
0
0
0
0
0
Ferric Oxide: Hydroxide Precipitated from Ferric Chloride with Ammonia, Then Heated
láti ọwọ́ Charlie
Inorganic
11
0
0
0
0
0
Copper(II) Oxide by Heating Copper in Air
láti ọwọ́ Charlie
Kẹ́míkà
23
0
0
0
0
0
CC0 Àgbègbè Gbogbogbò
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