1. Hōʻikeʻike
Hinahina (hinahina) ʻO ka mea haoʻo ka hao i ka mea hanaʻenehana ferromagnetic e hoʻokaʻawaleʻia e ka hana marnetic e kauʻia e ka Iron Matrix (Ferrite / Priceite / cemete), ʻO ke kiʻi kiʻi-Flake morphology a me ka hōʻikeʻana i ka mōʻaukala.
ʻO kēlā mau microstructural hiʻohiʻona hiʻohiʻona, cecerl, sturance a me nā pohō - nā'āpana e pili ana i ka mea nānā magnetic, ʻO ka paleʻana magnetic, ʻO ka proximity e lawe ai i nā mea hana / mea hana a me nā hana addy-game.
Ua wehewehe kēia alakaʻi i nā physics, hāʻawi i ke alakaʻi koʻikoʻi, Hōʻike i nā helu helu helu maʻamau no nā micsostructure maʻamau, a hōʻike pehea e hoʻolālā ai i nā hale hōʻike a me nā hōʻike hōʻike i ka wā e hana ai nā mea hana magnetic.
2. ʻO Magnetis kumu ma nā mea hana ferous
Merromagnetism i nā mea e pili ana i nā mea i haoʻia e pili ana i nā manawa magned (nā mea hoʻohanaʻoleʻole) i nā atom.
Ma lalo o kahi māla i hoʻopiliʻia h, Hoʻouluʻia nā waihona e hana ana i ka maʻi maʻi maʻi B. ʻO ka pilina B-H nonlinear a hōʻike i ka hystosesis.
He mau manaʻo maikaʻi loa:
- Na B (Magnetic flux density) a Huh (ʻO ke kula nui) e pili ana i ka mea nonlinear B-H Turve.
- Pili pili pili (一r) hana i ka nui o ka maʻalahi o kahi mea e hoʻonaninaniʻia ma mua o ka hakahaka (μr = b /({0H)).
- Cecerl (Hc) ʻO ke kahua huli i pono e hōʻemi iā B i ka zero ma hope o ka mahana (kahi ana o ka "paʻakikī" ka mea e hoʻoneʻeʻia).
- Renanance (Br) ʻo ia ke koena o ka rensitity i ka wā e hoʻi ana i ka zero.
- ʻO ka momona o ka flex (Bs) ʻo ka mea nui loa e hiki ke kākoʻo (kaupalenaʻia e Fermeagnetic Volume Fraction).
- Mahana i ka mahana (TC) ʻo ia ka mahana ma luna o nā mea he ferromagneis (No nā hao hao ma kahi o ~ 770 ° C, hoʻololiʻia e ka alloying).
ʻO nā loleʻulaʻula hina e like me ka meaʻala palupalu I ka lumi lumi (ʻO ka mea hoʻopunipuni haʻahaʻa e pili ana i nā magnet mau), Akā me ka pohō a me nā poho a me hysteresis e hilinaʻi nui i ka microptructure.
3. He aha nā mea e pale ai i ka magnesism i loko o ka hao hina hina?
'Āpana hina kūlike Kākau Pūnaewele e hoʻopiliʻia i loko o kahi hao hao (ferrite a me / a iʻole ka mimeite a i kekahi manawa cementite). E pili ana kēlā me kēlā me kēia mea i ka magnetism:
- Ferrite (α-fe) -ʻO ka hao cubic cubic. Mushomagnetic palupalu; Hāʻawi i nā kūlana kiʻekiʻe kiʻekiʻe a me keʻano haʻahaʻa.
- Puʻuʻupuʻu (ka huiʻana o ka ferrite a me ka cementtete fe₃c) -ʻO nā wahi i loaʻa i nā kūlana pôpeku i loko o Ferrite Lamellae Interleaved me Cemete;
Hoʻololi kēia i ka hana pilikino a hoʻonui i ka hana i hoʻohālikelikeʻia me ka ferrite maʻemaʻe no ka mea,ʻaʻoleʻo Cermat (a palupalu paha) a hoʻonohonoho i nā māka inoa inoa. - Cementite (Likahi) -ʻaʻole ikaika loa i ka ferromagnetic; hana e like me ka mea magnetic dilisent a me domain paia park.
- Kākau Pūnaewele - nā uila uila a me nā mea hōʻoia. ʻAʻoleʻo iaʻo Ferromagnetic; Hoʻopili i nā flakes i ka hoʻomau mauʻana a hana i nā mea pili kino kūloko a me nā keʻena kūloko kūloko.
ʻO ka hopena o ka net kahi hōʻemi i ka hana kūpono a hoʻonuiʻia i nā poho hysteresis e pili ana i kahi matrix piha piha.
No laila: ʻoi aku ka nui o ferrite → kiʻekiʻe μR, ʻO ka pale haʻahaʻa; ʻOi aku ka nui o ka hale pule / cenite → haʻahaʻa μR, ʻoi aku ka maikaʻi o ka hoʻopaʻi a me ka hysteresis.
Kiʻi mīpī (nui, Kaniona, Nā Francum hapa) E hoʻohuli i kaʻaihue a me ka hoʻopuʻiʻana o ka maʻi maʻi magnetic.
4. ʻO nā hiʻohiʻona nui magnetic a pehea e anaʻia ai lākou
- B-h curve / ka leo honu hualoai - anaʻia me kahi permeameter a iʻole ka hopena epstein (No nā mea kanu i hala) a hāʻawi iā μR(Huh), Hc, Br, a me na bs.
- Pili pili pili, 一r (mua a kiʻekiʻe loa) - mua μr i ka h (E hōʻike i ka pane liʻiliʻi-hōʻailona) a me ka nui loa μr i nā mahina haʻahaʻa.
- Cecerd hc (A / M a oe paha) a ke nohoʻanaʻo Flux Density Br (T) - e kuhikuhi i ka "palupalu" a iʻole "paʻakikī" i ka hana magnetic.
ʻO ka hao hina he feriromagnet palupalu (low hc) pili pili i nā hana mau-magnet akāʻoi aku ka paʻakikī ma mua o nā mea i loaʻa i nā pahu keleawe haʻahaʻa. - Sturation flx density bs (T) - i ana ma ke kiʻekiʻe H; Ua haʻahaʻaʻo By iron i ka hao ma mua o ka hao ma luna o ka hao ma muli o nā hanaʻole a me nā pohō.
- Tc mahana tc - No nā hana hao ~ 770 ° C; alloys a me nā microstructure shift tc iki; anaʻia me ka nānāʻana o ka thermomagnetic.
Nā Kūlana Kūʻai maʻamau:
- Porhiko Nā mika noters No nā loiloi kūʻai wikiwiki.
- Hoʻololi i ka hōʻikeʻana i ka magnetometer (VsM) a HysterAsisgraph No nā mea hanaʻo Laboratory B-H.
- Nā Kūlanaʻo Eddy-i kēia manawa a Nā Kūlana Manaʻo No ka loaʻaʻana o ka hana maʻamau a me ka pohō.
5. Nā waiwai magnetic o nā hua manu hina hina hina
Aia ma lalo nei he compact, Hōʻike kaʻikepiliʻikepili luna iho ʻO nā mea waiwai waiwai no nā micnetic.
No ka mea, ua ikaika ikaika nā mea hao i nā mea hao.
| Kumu / Moloka | ʻO nā micsstructure (mooki : Manoi) | I ka mua μR (kokoke.) | ʻO ka nui loa μR (kokoke.) | Cecerd hc (kokoke.) | Suracier BS (kokoke.) | ʻO keʻano o ka uila (pili pili) | Nā hopena maʻamau |
| ʻO ka hao hina hina (high-ferrite) | Flook Kiʻi (~ 2-4% vol) i ka nui ferritic Manoi | 200 - 1 000 | 1 000 - 2 500 | 50 - 200 A / m (≈ x6-2.5 oe) | 1.30 - 1.70 T | ~ 2 - 4 × ʻO kaʻaihueʻoluʻolu | ʻO ka mana kiʻekiʻe loa / ʻO ka nalowale haʻahaʻa haʻahaʻa haʻahaʻa o nā irons hina; maikaʻi loa no kaʻike mpi a me nā ala haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa |
| En-gjl-200 (hue moun, oi aku ferrite) | Flook Kiʻi, ferrite-waiwai matrix | 150 - 600 | 600 - 1 500 | 80 - 300 A / m (≈1.0-3.88 Oe) | 1.20 - 1.60 T | ~ 2 - 4 × ʻO kaʻaihueʻoluʻolu | Maʻalahi e hoʻonaninani; koiʻia no nā mea hou aku kahi e pono ai kekahi ala magnetic a iʻole mPi e pono ai |
| En-gjl-250 (hui hui maʻamau) | Flook Kiʻi, i huiʻia i ka ferrite / peʻa Manoi | 50 - 300 | 300 - 1 000 | 200 - 800 A / m (≈2.5-10 OE oe) | 1.00 - 1.50 T | ~ 2 - 5 × × ʻO kaʻaihueʻoluʻolu | ʻO keʻano o keʻano; ʻO nā waiwai e pili ana i ka hapa nui o ka hapa nui a me ka morphology kiʻi (papa hanaʻenehana maʻamau) |
| En-gjl-300 (ʻoi nui ka ikaika; Kekahi mea hou aʻe) | Flook Kiʻi, Manamima Manoi | 20 - 150 | 150 - 600 | 400 - 1 500 A / m (≈5.0 • O.) | 0.80 - 1.30 T | Kaika Ana * 3 - 6 × ʻO kaʻaihueʻoluʻolu | Haʻahaʻa loa μR a me nā poho hysteresis hysteresis; koi i ka nui o ka mmf no mpi a iʻole ka fluxing |
| Kālaiʻia / ʻO ka nui o ka pēpē / cemetitic | Nā Kūlana Kūʻai Kūʻai Kūʻai / keʻokeʻo keʻokeʻo keʻokeʻo, high cementite | 10 - 80 | 80 - 300 | 800 - 3 000 A / m (≈10-38 Oe) | 0.7 - 1.2 T | ~ 3 - a 8 × ʻO kaʻaihueʻoluʻolu | ʻO ka haʻahaʻa haʻahaʻa loa, ʻO ka hoʻoponopono kiʻekiʻe / hysteresis; ilihune no nā gircuats magnetic, pinepine pinepine i ka remange kiʻekiʻe ma hope o ka maleʻana |
Pehea e heluhelu ai a hoʻohana i kēia papaʻaina (alakaʻi alakaʻi)
- I ka mua μR ʻo ia ka mea hana liʻiliʻi-hōʻailona - kūpono no nā sensors, nā pā liʻiliʻi dC a me ka pae kiʻekiʻe mua ma NDT.
- ʻO ka nui loa μR Hōʻike i keʻano o ka maʻalahi o ka waiwai e hoʻopili ai i ka flux ma mua o ka hoʻokokokeʻana i ka saturation - koʻikoʻi inā he mea nui.
- Cecerl (Hc) Hōʻike i ka "paʻakikī"ʻo ia ka mea e demagnettize ma hope o ka hanaʻana (ʻoi akuʻo HC →ʻoi aku ka nui o nā kahua hou ma hope o MPI). Hoʻohuli a A / M → OE OE me ka hoʻokaʻawaleʻana e ≈79.577 (E.g., 800 A / M ≈ 10.05 Oe).
- Suracier BS ʻo ia ka palena palena kiʻekiʻe no ka lepo lepo; ʻO kaʻulaʻula hinaʻo By i ka hao ma mua o ia mea o nā hao maʻemaʻe a me nā mea kila he nui no ka meaʻaʻole e hōʻemi i ka ferromagtetic Volume Francial.
- Pili paʻa ua hāʻawiʻia he nui o ka paleʻana o ka cetel ceel (kamaʻilio).
ʻO ka paleʻoi aku kaʻoi aku ka hōʻemiʻana o nā mea hou ma Eddy i nāʻano pinepine - he pono no ka hoʻololiʻana i nā mea hana mīkini a iʻole e loaʻa ai nā poho eds.
6. Pehea ke kukui, ʻO ka Microstructure a me ka hoʻoiliʻana i nā loli magnetic
AliLila:
- NA MANAOLO DOLIAMERA & KiʻiʻIke: ʻoi aku kaʻoi aku ke kiʻekiʻe o ke kalaka.
- Silikino hāpai i ke kiʻi a hoʻonui i ka pale; ʻO ke kiʻiʻoniʻoniʻo SIM e hōʻemi i ka hana pilikino.
- Sulfur, phosphorus a me nā mea'ē aʻe'ē aʻe E pili ana i ka morphology kiʻi kiʻi a pēlā nō ka hoʻomau mauʻana.
- ʻO nā mea'ē aʻe e like me ke ni, Cr, Mn Hoʻololi i nā hoʻololi hoʻololi magnetic a hiki ke hoʻohaʻahaʻa i ka mahana haʻahaʻa a hoʻololi i ka paleʻana.
ʻO ka hana wela:
- Annalile (ferrizing) hoʻonui i ka hapa ferrite, Hoʻonui i ka μr a hōʻemi i ka paleʻana (E hoʻolōʻihi i ka pane magnetic).
- Hana maʻamau / wikiwiki maikaʻi hoʻonui i ka miniteite / cementate → hoʻemi i ka μr a hoʻonui i ka hc.
- ʻO ka hoʻomehana kūloko a iʻole ke kalaʻana hiki ke hana i ka inhomogenity a me ke kaumaha kaumaha, ka mea e hoʻololi ai i keʻano o keʻano a hiki keʻikeʻia.
Kuhi piliona:
- Ke hana nei ka hana anuanu e hōʻike ana i nā dislocations a me ke kaumaha o ke kaumaha. Hoʻemi ka hoʻoponoponoʻana i ke kaumaha i kēia mau hopena.
Potiwale & Nā Hoʻohui:
- Nā maka a me nā meaʻoleʻole-magnetic invur e hoʻopili i nā ala flx a me ka haʻahaʻa loa μr a me nā bs. Hiki nō iā lākou ke hoʻonui i ka hysteresis a me ka nalowale.
7. ʻO Anahisopy a me nā kiʻi kiʻi-Flake - no ke aha e kāhea nei
Nā'ōwili kiʻi kiʻi i nā ʻO Orient Perpendicular e kahe wela i ka wā e hoʻoponopono ai, pinepine pinepine i nā'āpana likeʻole i nā papahele mold. Nā huaʻai Magnetic Aitisotroopy:
- ʻO Flux huakaʻi hele parall i nā flakes e hālāwai me nā hana demagnezingʻokoʻa ma mua o ka flx e hele ana i nā flake halauluhi i ko lākou mokulele.
- Pela no ana i μR a ʻO ka Spectraibility Spectra hiki i ke kuhikuhi ke hilinaʻi; I ka hoʻomaʻamaʻaʻana i kēia mau mea e pili ana i nā circerats magnetic me ka hoʻohanaʻana i nā mea kūʻai aku e noʻonoʻo i ka Orientation - E.G., Ke hoʻololi nei i nā ala flux e hele ai i ke ala iʻoi aku ka nui o ka kuhikuhi ma kahi e hiki ai.
ʻO nā flaket flakes e hana i nā kahua kūloko kūloko, ka mea hou e pili ana i ka neʻeʻana o Domena Wall a me Asbosesis.
8. ʻO keʻano o ka uila, ʻO Eddy i nā hana a me nā pohō magnetic i loko o ka hao hina
- Pale o ka pale: ʻO ka Hōmaʻomaʻo hina hina ʻoi aku ka kiʻekiʻe o ka uila uila ma mua o nā mea kilokilo haʻahaʻa no ka laweʻana i nā flakes kiʻi a me nā haumia e hoʻonāukiuki i nā ala uila uila.
Haunui: ka paleʻana o ka hao hina hina nui × ʻO ia o nā kila maʻamau maʻamau. Hōʻemi nuiʻia ka resistivices eddy i kēia manawa no ka mea hou i hāʻawiʻia i nā kahua magnetic magnetic. - ʻO ka Losdy-Fross: No nā ag magnetics, nalowale = nalowale hysterisis + ʻO ka Losdy-Fross.
Ma muli o keʻano kiʻekiʻe a me keʻano o ka slake, ʻO nā mea nui o ka eddy i ka hao hina hina i lalo i lalo ma mua o ka cetel chesel of torme commability like, ka hanaʻana i nā mea hao hina hina i kahi e haʻahaʻa ai ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa a me nā poho.
Akā naʻe,, Hiki i nā flaket flakes ke hoʻokumu i nā micro-circauts e hoʻopiʻi i ka wānana pohō. - ʻO ka poho hysterisesis: Ua hoʻonuiʻia e ka pelekane / cementio a me ka pā papa pākaukau; ʻO ka hao hina me ka hapa nui o ka lehulehu kiʻekiʻe e loaʻa ana i ka nalowaleʻoi aku ka poho hystorasis.
Hoʻolālā Hoʻolālā: No nā mea haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa (DC a static), Hiki i ka hao hina ke lawe i ka flux akāʻaʻole e like me nā cheel collal electrical no nā mea kiʻekiʻe agg.
No nā māhele i kahi o ka pohō magnetic he lua (ʻO nā mea hoʻonani e pili ana i nā mea huki, ʻO nā papa kuhikuhi magnetic), ʻO ka huiʻana o ka hao hina o ka hao o ka mermabibility a me ka hoʻemiʻana o ka poho eddy.
9. Nā noi noi a me nā hopena
Ke nānāʻana i ka mana o Magnetic (Mpi)
- ʻO ka hao hina mayazable a nānā nui i ka hoʻohanaʻana iā Mpi no ka papahele a kokoke i nā wahi ākea.
Ka pane magnetic (ka maʻalahi o ka hoʻonuiʻana a koiʻia i kēia manawa) Aia nō ma muli o nā hale hanaʻo Permeitability i maʻalahi e hoʻomaikaʻi i nā mea pearlitic. ʻO ke kahua o ke kahua e pili ana i nā mea e kiʻi i nā flakes e pili ana i nā mea no ka naʻau.
KA MOOLE & nā hoomoʻa, nā'āpana a me nā pā
- Hoʻohana pinepineʻia nā mea hao o ka hao melemele no ke kākoʻo mechanical kokoke i nā mīkini maknetic. Hiki i kā lākouʻoihana magnetic ke kumu i keʻano o ka nui o ka shunting shunting.
Pono nā mea hoʻolālā e pili ana i ka hoʻopiliʻana no ka coupling (E.g., i loko o nā lā, magnetic leakage) Ke pani kokoke nā mea i hoʻopiliʻia i nā'āpana ikaika a iʻole nā magnene.
Emi / ʻO ka paleʻana magnetic
- Hiki i ka hao hina ke hana e like me ke ala magnetic a iʻole ka paleʻana i ka pale no ka haʻahaʻa haʻahaʻa haʻahaʻa no kona mau kumu hoʻohālike, aka, ʻO nā mea hoʻonaninani haʻahaʻa haʻahaʻa a iʻole nā mea hoʻokele uila uila makemakeʻia ma kahi o keʻano o ke kiʻekiʻe kiʻekiʻe e koiʻia a me ka haʻahaʻa haʻahaʻa.
Kōkuaʻo Grey i ke kiʻekiʻe o ka mea e kōkua ai i nā alaloa waena, aka, aole nele o ka mana o ka mana a me ka hana a anitotropy.
ʻO Eddy-Ke hōʻike nei i kēia manawa a me ka EMI Cupling
- Ua hoʻonuiʻia ka hoʻonuiʻiaʻana no ka hōʻemiʻana i ka EDDY i kēia mau manawa i nā wahi AC; Akā naʻe,, Nā kiʻi kiʻi kiʻi a me nā poosity e hana i ka wānana kiko'ī o ka hopena o kaʻili a me nā mea e paʻakikī.
ʻO ka wahiʻo Magnetic Sensor a me nā māla kuʻuna
- ʻO nā Engineers me ka hoʻohanaʻana i ka fluxgate, Pono nā mea nānā a iʻole nā mea nānā i nā mea nānā kokoke i nā mea kūʻai aku e noʻonoʻo i nā mea hana magnetic kūloko mai ka microstruty cat microstruty a me ke kūlana kūlana.
10. ʻO ka hoʻomaʻamaʻa maikaʻiʻana a me nā manaʻo no NDT
- I ka wā e ana ai: E wehewehe i ka permelitability a iʻole b-H mau papa no nā hale kūʻai koʻikoʻi (Ke lawe nei i nā mea hou i nā mea hana uila uila, Hoʻopili i kēlā me kahi'āpana o ka circuit marnetic).
- HE MAIKAI IA: nā cripons liʻiliʻi (ʻO kahi wahi a me ka hoʻonohonohoʻana) anaʻia ma ka hana me kahi permeamalter or vsm;
No kaʻaeʻana, Ua hoʻohanaʻia nā mika o nā mika a iʻole ke kani a me ke kani / collar.
Hōʻike iʻelua I ka mua μR a μr ma ke kahua kūpono (E.g., 0.5-1.0 t) hoʻohui me ka hysteesis loop inā inā nalowale nā AC nalowale i nā mea. - No MPi: calibrate egnetranization i kēia manawa i ka mea haʻahaʻa e pono ai e hōʻike i nā hemahema me kaʻole e hoʻoikaika i nā mea hoihoiʻole;
E hoʻomanaʻo e hiki i nā mea'ē aʻe ke hoʻololi i ka mālamaʻana i ka mālamaʻana o ka magnetanization (pili i ka demagnetization ma hope o ka ho'āʻoʻana). - E hoʻopaʻa i ka Orientation: E hōʻike mau i ka Orientation o ka hōʻike (parallel / perpendicular e hoʻolei i ka papa) No ka mea, aiaʻo Arisotroy.
11. Nā kuhi hewa maʻamau & Nā wehewehe
ʻO ka hao nui a pau ka hao nui
Wahahee. Ke hilinaʻi nei ka ikaika magnetic ma luna o ka paka matrix: ʻO Ferritic en-GJl-200 he ikaika ikaika loa (ᵢᵢ = 380 H / m), ʻOiaiʻo ka pearlitic en-gjl-300 keʻano haʻahaʻa (ᵢᵢ = 220 H / m). ʻO nā helu kiʻi waiwai-waiwai (C >3.5%) loaʻa ka pane palupalu.
ʻAʻole pili kaʻikepili o ka uila
Wahahee. Nā Kūlana Carbon non-Magnetic kiʻi kiʻi-hoʻonui i ka c mai 3.0% i 3.8% hoʻemi i ka permealibility e 30-40% (koʻikoʻi no nā noi kiʻekiʻe).
Hiki i ke kapaʻo Grey i hiki ke hoʻololi i ka silicon silika ma nā mana kiʻekiʻe
Wahahee. ʻO Silcon Steel i μₘ = 5000-8000 H / M (2-4x kiʻekiʻe ma mua o ka hao hina hina) a me ka haʻahaʻa haʻahaʻa haʻahaʻa hystossesis hina-hina i kaupalenaʻia i ka mana haʻahaʻa haʻahaʻa (Ç5 KW) noi.
ʻAʻohe hopena wela i ka wela i nā waiwai magnetic
Wahahee. Hoʻololiʻo Annealting i ka pâʻani private i ferrite, ka hoʻonuiʻana μᵢ e ka 30-35% -critical -critical no ka hoʻokōʻana i ka hana magnetic ma nā māhele i paʻiʻia.
12. Hopena
ʻO ka lole hina hina ka marknetic, Akāʻo nā mea hoʻohālikelike o nā micrstruty.
Hāʻawiʻo Ferritic Micritic Microstructures, ʻOiai e hōʻemi ana i nā miclitic / micstructures e hōʻemi i ka permebility a hoʻonui i ka cective a me ka hysteresis.
Hoʻokaʻawale i nā flaket flakes i kahi acitropy a me ka weheʻana i ka hoʻomau mau magnetic mau manawa akā e ho'āla i ka pale uila (kōkua no ka kaupalenaʻana i nā meaʻelua).
No kekahi mea nui Kauhi (Mpi, ʻO nā polokalamu i nā polokalamu electromagnetic, 'āpana'āpana) E wehewehe a me ke ana nā hiʻohiʻona magnetic (I ka mua μR, B-h lo lo lo lo, cecerl, Kaniona) I nā poʻe koho koho.
I ka wa kanalua, E noi i ka loaʻaʻana no ka data B-H a iʻole ke hanaʻana i nā hoʻokolohua pilikino maʻalahi i ka wā e komo ai.
FaqS
He hina hina hina?
ʻAe. ʻO ia ka ferromagnetic i ka mahana o ka lumi; Akā naʻe,, ʻO kāna permebility a me hysteesis e hilinaʻi ikaika i ka matrix (Ferrite vs Pio), ʻO nā hiʻohiʻona kiʻi a me ka hoʻoiliʻana.
Hiki iaʻu ke hoʻohana i ka hao hina e like me ka mea waiwai magnetic?
ʻAʻole no nā mea kiʻekiʻe a AC. Hiki i ka hao ke hao ke lawe i ka flux a hāʻawi i ka pale uhi i nā haʻahaʻa haʻahaʻa haʻahaʻa, akā,ʻoi aku ka maikaʻi o nā mea uila uila a iʻole nā alloys awelika, ʻO ka hana wānana me nā poho haʻahaʻa.
Pehea e pili ai i ke kiʻi i nā hopena mpi?
Hoʻemiʻia ka kiʻi kiʻi ma keʻano a me ke kumu o aninorropy.
Hoʻokomoʻia nā'āina ferritic i maʻalahi a hōʻike i keʻano o ke koʻikoʻi mpi; Pono nā wahi pāʻani / mau wahi i kohoʻia e hoʻoikaika ai i ka ikaika ikaika a hiki i keʻano o ka tramance.
He aha nāʻikepili magnetic e noi ai mai kahi mea hoʻolako?
NOKUA: luna iho Nā Wā B-H (ʻelua mau mea hoʻoponopono inā hiki), mua a me ka nui μr μr, cecerl (Hc), sturance bs a me ka weheweheʻana i ka hana o ke ana / wela-wela. No Ma nomi Maluna oLopani Photos Ka Moolelo Momi Pihi.
Pehea wau e hōʻemi ai i ka hana houʻana ma hope o mpi?
E hoʻohana i ka demagnelization acc (E hōʻemi mālie) a iʻole e hoʻopili i kahi mahinaʻo DC Reversel ma mua o ke kula hou, no kēlā me kēia hana maʻamau ndt. E hōʻoia i ke kahua nohona me kahi gaussmeter.
