Pakikipagtulungan
SINING
BEAUTY AT WELLNESS
CRAFTS
KULTURA AT KASAYSAYAN
LIBANGAN
KAPALIGIRAN
PAGKAIN AT INUMIN
REVERSE ENGINEERING
AGHAM
ISPORTS
TEKNOLOHIYA
MGA WEARABLE
Strontium Ferrite Disc Magnet: 0.4 mol SrCO3 to 3.6 mol Iron Oxide, 1270 °C (Went, Philips 1956, Ex. 14)
A ceramic magnet with strontium in place of barium: 0.4 mol strontium carbonate to 3.6 mol iron oxide, milled 15 hours and passed through a 1270 °C furnace in 20 minutes. Went's rod held 1,290 gauss with a coercive force of 3,080 oersted.
Source: J. J. Went, G. W. van Oosterhout and E. W. Gorter (Philips), US 2,762,777 (1956), Example 14. They sintered rods; discs and the magnetising are ours. Picture: ferrite magnets, Omegatron, Wikimedia Commons, CC BY-SA 3.0.
Abantado
2 days
Mga Tagubilin
1
1
Weigh strontium carbonate and iron oxide
Weigh strontium carbonate and iron oxide
Weigh 59.1 g strontium carbonate (0.4 mol) and 580.0 g ferric oxide (3.6 mol).
Mga materyales para sa hakbang na ito:
Strontium carbonate59.1 g
Ferric oxide580 gMga kailangang kasangkapan:
Timbangang panimbang
Panala sa Hininga na P1002
2
Mill with alcohol 15 hours and dry
Mill with alcohol 15 hours and dry
Grind with alcohol in a ball mill for 15 hours and dry.
Mga kailangang kasangkapan:
Gilingang Bolang Bakal
Etanol - antas laboratoryo, 95 %
Hurnong pantuyo3
3
Form the pieces and dry overnight
Form the pieces and dry overnight
The patent extrudes rods; ours: press discs at 1.5 tonnes per cm², as in its other examples. Dry overnight.
Mga kailangang kasangkapan:
Haydroliko na pandiin
Hulmahan sa pagpindot ng diskHurnong pantuyo4
4
Pass through a 1270 °C zone in 20 minutes
Pass through a 1270 °C zone in 20 minutes
Sinter in air at 1270 °C by passing the pieces through a 10 cm hot zone at 5 mm per minute: 20 minutes in the heat.
Mga kailangang kasangkapan:
Hurnong Tubo
Guwantes na Matibay sa Init5
5
Magnetise the discs
Magnetise the discs
The patent gives no magnetising method. Ours: lay a disc with its faces against the poles of a strong electromagnet, switch the current on, then off. Find which face is north with a compass.
Mga kailangang kasangkapan:
Elektromagneto
KompasMga Materyales
2- 59.1 gPlaceholder
- 580 gPlaceholder
Mga Kinakailangang Kasangkapan
11- Placeholder
- Placeholder
- Placeholder
- Placeholder
- Placeholder
- Placeholder
- Placeholder
- Placeholder
- Placeholder
- Placeholder
- Placeholder
Ang blueprint na ito ay gumagawa ng
Kaugnay na Blueprint
Ang mga blueprint na ito ay nagbabahagi ng kaalaman — mga teknik, materyales, o prinsipyo
CC0 Pampublikong Domain
Ang blueprint na ito ay inilabas sa ilalim ng CC0. Malaya kang kumopya, magbago, mamahagi, at gumamit nang walang pahintulot.
Suportahan ang Maker sa pamamagitan ng pagbili ng mga produkto sa kanilang Blueprint Komisyon ng Maker itinakda ng mga Vendor, o lumikha ng bagong bersyon ng Blueprint na ito at isama bilang koneksyon sa iyong Blueprint upang ibahagi ang kita.