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Cov khoom siv hlau nplaum mos

Koj tus kws tshaj lij sib nqus cov khoom lag luam hauv Suav teb

Sunbow Group tshwj xeeb hauv kev tsim, kev tsim kho thiab tsim cov tshiab-hom amorphous, nanocrystalline, silicon steel nplooj ntawv thiab lwm yam khoom sib nqus thiab lwm yam khoom. Lub tuam txhab cov khoom tseem ceeb suav nrog ntau hom amorphous, nanocrystalline ribbons thiab siab thiab qis voltage tam sim no transformer cores, precision tam sim no transformer cores, hom hom inductor cores, PFC inductor cores, siab zaus fais fab transformer cores thiab lwm yam khoom siv.

Customized Solutions

Peb yog nyob rau hauv lub forefront ntawm ib tug tsim coj mus kom ze rau xa cov nyuaj thiab kev cai daws teeb meem rau magnetic cores los yog cov khoom rau ntau lawm. Txawm hais tias koj qhov kev xav tau yooj yim lossis nyuaj, peb tuaj yeem tsim cov kev daws teeb meem kom ua tiav koj lub hom phiaj. Nrog cov kws tshaj lij hauv tsev peb tuaj yeem tsim, tsim thiab sim cov qauv uas ua tau raws li kev ua tau zoo thiab ib puag ncig ntawm koj daim ntawv thov.

Khoom siv Advanced

Lub tuam txhab muaj cov cuab yeej siv siab tshaj plaws xws li cov tshuab nqus tsev smelting loj, lub siab txau cov hlua, ntau yam sib nqus annealing furnaces thiab kev koom tes nrog cov tsev kawm tshawb fawb hauv tsev thiab cov tsev kawm qib siab, uas ua kom lub tuam txhab R & D muaj peev xwm thiab cov khoom zoo.

Ua kom tiav Kev Tsim Nyog

Tam sim no, lub tuam txhab muaj ob lub hauv paus tsim khoom, nrog rau ntau cov patented thev naus laus zis, thiab tau dhau ISO9001, IATF16949 kev tswj hwm kev tswj hwm kev pov thawj zoo. Tag nrho cov khoom tau dhau ROHS, SGS thiab lwm yam kev tiv thaiv ib puag ncig.

Kev siv dav dav

Lub tuam txhab ua haujlwm tsuas yog ua haujlwm ntawm lub zog tshiab, lub zog hluav taws xob photovoltaic, tsim hluav taws xob, cov khoom siv hauv tsev ntse, cov ntsuas ntse, wireless charging, thiab ntau yam khoom siv hluav taws xob, inverters, lim inductors, thiab cov ntaub thaiv npog hauv lub teb chaws txoj kev lag luam tawm tshiab.

Tsev 12 Rau sab kawg 1/2

Taw qhia txog cov khoom siv hlau nplaum mos

Cov khoom sib nqus mos yog cov khoom siv uas yooj yim magnetized thiab demagnetised. Lawv feem ntau muaj kev sib koom ua ke tsawg dua 1000 Am-1. Lawv feem ntau yog siv los txhim kho thiab / lossis channel cov flux uas tsim los ntawm cov hluav taws xob tam sim no. Lub ntsiab parameter, feem ntau siv los ua ib daim duab ntawm qhov tsim nyog rau cov khoom sib nqus mos, yog cov txheeb ze permeability (mr, qhov twg mr=B / moH), uas yog ib qho kev ntsuas ntawm qhov yooj yim ntawm cov khoom teb rau cov ntaub ntawv sib nqus . Lwm qhov tseem ceeb ntawm kev txaus siab yog coercivity, saturation magnetisation thiab hluav taws xob conductivity.

Cov yam ntxwv ntawm cov khoom siv mos sib nqus

Siab Permeability

Cov ntaub ntawv sib nqus mos tuaj yeem sib nqus tau yooj yim thiab demagnetized, cia lawv coj cov khoom sib nqus tau zoo.

Tsawg Coercivity

Cov ntaub ntawv no xav tau ib qho me me sab nraud magnetic teb los thim rov qab lawv cov magnetization, uas ua rau lawv haum rau alternating tam sim no (AC).

Tsawg Residual Magnetism

Thaum cov hlau nplaum sab nraud raug tshem tawm, cov khoom sib nqus mos poob lawv cov hlau nplaum sai.

Dab tsi yog qhov txawv ntawm Cov Khoom Siv Sib Nqus thiab Cov Khoom Muag

Cov kev sib txawv no hais tshwj xeeb rau cov khoom siv ferromagnetic thiab ferrimagnetic, tsis yog cov ntaub ntawv nyuaj thiab mos. Muaj super-soft, heev-mos, mos, semi-hard, thiab hard magnetic khoom faib raws li magnetic coercivity (HC) ntsuas nyob rau hauv ampere/meter (A/m) units los yog Oersteds (Oe).
HC ntsuas lub peev xwm ntawm cov khoom sib nqus los tiv thaiv kev demagnetized thaum raug rau sab nraud magnetic teb. Cov ntaub ntawv uas muaj cov txiaj ntsig HC siab feem ntau hu ua "nyuaj" thiab tsim nyog rau kev ua cov hlau nplaum ruaj khov lossis siv rau hauv cov ntaub ntawv sib nqus. Ntau yam khoom siv hlau nplaum yog siv rau inductor thiab transformer cores, microwave devices, shielding, thiab recording heads. Feem ntau, txhua qhov kev hloov pauv ntawm cov ntaub ntawv mos yog lumped ua ke raws li cov khoom sib nqus mos hauv qhov sib piv rau cov ntaub ntawv nyuaj. Cov ncauj lus kom ntxaws sib nqus cov ntaub ntawv yog:
● Super mos - HC qis dua 10 A / m
● mos heev - HC los ntawm 10 mus rau<100 A/m
●Soft - HC los ntawm 100 mus rau<1000 A/m
● Semi-hard - HC los ntawm 1000 mus rau<2000 A/m
● Hard - HC yog 2000 A / m thiab ntau dua
Qhov sib txawv ntawm cov ntaub ntawv nyuaj thiab mos sib nqus tsis yog qhov yooj yim heev. Qee cov ntaub ntawv, xws li hlau hlau, tuaj yeem yog tawv lossis mos, nyob ntawm ntau yam. Nyob rau hauv cov ntaub ntawv ntawm hlau, lub crystal grain loj yog qhov tseem ceeb tshaj plaws. Thaum cov pob zeb siv lead ua muaj qhov loj me me, lawv sib piv rau qhov loj me rau cov sib nqus sib nqus, thiab cov kab lis kev cai pin tus thawj. Domain phab ntsa pinning tshwm sim ntawm qhov chaw kom tsis txhob muaj qhov ntau tshaj qhov xav tau yog tsim. Pinned domains yuav tsum muaj kev sib zog sib nqus ua kom muaj zog dua los ua kom rov zoo dua. Thaum cov hlau yog annealed, qhov loj ntawm cov pob zeb siv lead ua nce ntxiv thiab cov khoom sib nqus tau yooj yim dua rov zoo dua thaum siv cov hlau nplaum. Qhov ntawd txo qhov coercive teb, thiab cov khoom ua magnetically softer. Kev sib txawv ntawm cov qauv siv lead ua hauv cov ntaub ntawv zoo li hlau tuaj yeem ua rau muaj ntau yam khoom sib nqus, los ntawm tawv mus rau muag.

Magnetic Properties ntawm Soft Magnetic Materials

High Saturation Magnetic Flux Density (Bs) thiab High Saturation Magnetization (Ms)
Cov khoom sib nqus mos muaj qhov sib nqus sib nqus flux ceev (bs) thiab saturation magnetization (ms). Nyob rau hauv txoj kev no, nws yooj yim dua kom tau txais qhov siab permeability (μ) thiab qis zog quab yuam (Hc), uas tuaj yeem ua rau kom muaj zog sib nqus.

Kev ruaj ntseg siab
Cov khoom siv hlau nplaum mos muaj kev ruaj ntseg siab. Nws yuav tsum tau hais saum toj no-hais cov ntaub ntawv sib nqus cov khoom kom ruaj khov txaus los tiv thaiv ib puag ncig yam xws li kub thiab kev co.

High Magnetic Permeability

Ib qho ntawm cov khoom siv sib nqus mos yog tias lawv muaj qhov sib nqus permeability siab. Sib nqus permeability (nrog cim μ) yog ib qho kev ntsuas ntawm rhiab heev rau magnetic teb.

Tsawg Coercivity (Hc)

Cov khoom sib nqus mos tsis yog tsuas yog yooj yim rau kev sib nqus los ntawm sab nraud magnetic teb, tab sis kuj yooj yim rau demagnetized los ntawm sab nraud magnetic teb los yog lwm yam. Nws cov hlau nplaum poob kuj tsawg.

Tsis tshua muaj hlau nplaum poob thiab hluav taws xob poob

Magnetic poob thiab hluav taws xob poob ntawm cov khoom sib nqus mos yog tsawg. Nws yuav tsum tau qis coercivity (Hc) thiab siab resistivity.

Hom Soft Magnetic Materials

Soft Magnetic Composites
Qhov tuab ntawm cov khoom sib nqus mos ua lub luag haujlwm tseem ceeb rau kev txo qis tam sim no poob, yog li cov hlau nplaum mos mos yuav tsum tau ua nyob rau hauv daim ntawv ntawm nyias lamination rau dynamic siv. Yog tias peb rhuav tshem lwm qhov ntawm ob qhov ntev ntawm cov hlau nplaum mos, piv txwv li, peb siv cov hlau nplaum mos hauv daim ntawv ntawm cov hmoov, ces cov eddy tam sim no poob yuav raug txo kom tsawg, thiab cov khoom ua los ntawm cov khoom siv tau ntau dua. zaus. Txhawm rau kom paub qhov kev siv zoo li no, cov hmoov hlau alloy tau npaj ua ntej (feem ntau yog los ntawm txoj kev atomization), cov khoom yuav tsum tau coated nrog ib txheej rwb thaiv tsev, tom qab ntawd, cov hmoov sib tov nrog ib qho me me ntawm cov roj nplua nyeem thiab compressed ntawm qhov khaus. siab ntawm 600-800 MPa rau qhov kawg duab. Cov khoom sib nqus mos uas ua los ntawm cov txheej txheem zoo li no hu ua Soft Magnetic Composites (SMCs) lossis hmoov cores. Lwm qhov txiaj ntsig ntawm SMCs yog tias lawv tuaj yeem ua rau ntau yam tshwj xeeb zoo li cov cores uas tsis yog tsim los ntawm cov txheej txheem lamination stacking, uas muaj txiaj ntsig zoo rau kev tsim tshiab ntawm cov khoom siv hluav taws xob. Lub ntsiab drawback ntawm SMCs yog tias lawv cov permeabilities kuj tsawg. Niaj hnub no, SMCs feem ntau yog tsim los ntawm cov hmoov Fe, Fe-Si, Fe-Si-Al, Fe-Ni, amorphous thiab nanocrystalline alloys, thiab lwm yam.

Mos Ferrites
Tag nrho cov khoom sib nqus mos uas tau hais los saum no yog cov hlau, yog li ntawd, eddy tam sim no tsis tuaj yeem zam. Mos ferrites yog qhov txawv ntawm qhov lawv yog cov ionic tebchaw thiab muaj kev tiv thaiv ntau qhov kev txiav txim siab ntau dua li cov khoom siv hlau nplaum mos. Yog li ntawd, rau daim ntawv thov nrog zaus mus txog 1 MHz, mos ferrites yog qhov kev xaiv zoo tshaj plaws nrog rau lub zog poob. Lub ntsiab drawback rau mos ferrites yog tias BS yog tus qis. Ob hom ferrites feem ntau yog Mn-Zn ferrites ((Mn, Zn) Fe2O4) thiab Ni-Zn ferrites ((Ni, Zn) Fe2O4). Mn-Zn ferrites feem ntau siv qis dua 1 MHz, thaum Ni-Zn ferrites tuaj yeem siv ntau zaus ntau dua, tab sis BS thiab permeability rau tom kawg yog qis dua.

Hlau thiab Tsawg Carbon Steels
Hlau thiab cov pa roj carbon tsawg yuav yog cov khoom siv sib nqus zoo tshaj plaws thiab pheej yig tshaj plaws. Lawv muaj tus nqi siab heev ntawm BS ~ 2.15 T, uas tsuas yog qis dua cov khoom kim Fe-Co alloys. Tab sis lawv cov resistivities yog qhov tsawg, uas txwv lawv cov kev siv hauv kev siv dynamic. Hlau thiab cov pa roj carbon tsawg feem ntau yog siv rau cov ntawv thov zoo li qub / tsis tshua muaj zaus, xws li cov tub ntxhais ntawm electromagnet, relays, thiab qee lub tshuab hluav taws xob qis uas cov khoom siv yog qhov kev txhawj xeeb loj.

Hlau-silicon Alloys
Ntxiv ntawm ob peb ntawm silicon rau hlau yuav ua rau nws cov resistivity notably, yog li ntawd, yog zoo heev rau inhibiting lub eddy tam sim no poob. Txawm hais tias me ntsis txo qis ntawm kev sib nqus magnetization thiab Curie kub, Fe-Si alloys tau siv dav hauv cov tshuab hluav taws xob ua haujlwm ntawm 50 Hz mus rau ntau pua Hz. Txhawm rau txo qhov poob tam sim no, Fe-Si alloys feem ntau dov rau hauv daim ntawv nyias nyias. Lub thickness rau feem ntau Fe-Si alloy yog sib npaug los yog tsawg dua 0.35mm. Nyob ntawm cov xwm txheej ntawm kev dov thiab kev kho cua sov, Fe-Si alloy tuaj yeem muab faib ua Grain-Oriented (GO) thiab Non-Oriented (NO). GO Fe-Si yog siv rau transformers, whereas TSIS MUAJ Fe-Si yog siv rau hluav taws xob motors.

Hlau-nickel Alloys
Nickel tuaj yeem muab ntxiv rau hlau los tsim cov kev daws teeb meem zoo sib xws hauv ntau qhov sib txawv ntawm 35 wt. % rau 8 0 wt. %Ni. Cov alloys nrog muaj pes tsawg leeg nyob ze Fe20Ni80 tau lub npe hu ua Permalloy (tam sim no tib neeg nyiam hu tag nrho cov hlau-nickel alloy nrog cov ntsiab lus npib tsib xee siab tshaj 35 wt.% li Permalloy). Cov ntsiab lus me me ntawm lwm cov ntsiab lus xws li Mo, Cu, thiab Cr feem ntau yog ntxiv los txhim kho cov khoom sib nqus ntawm Permalloy. Kev ua tiav los ntawm kev hloov kho me me thiab kev kho cua sov, Permalloy tuaj yeem yog ib qho ntawm cov khoom sib nqus zoo tshaj plaws hauv ntiaj teb, qhov permeability ntawm uas tuaj yeem siab li 1 200 000. Ib qho ntawm cov teeb meem ntawm Permalloys yog lawv cov saturation magnetization, uas tsuas yog kwv yees li 0.8 T, qis dua li cov hlau thiab Fe-Si alloys. Nrog kev txo qis ntawm cov ntsiab lus npib tsib xee, BS yuav nce ua ntej, ncav cuag nws qhov siab tshaj plaws ntawm 1.6T ntawm ib ncig ntawm cov ntsiab lus nickel ntawm 48 wt. %, Txawm li cas los xij, qhov permeability yuav tsis zoo li cov alloys nrog cov ntsiab lus siab nickel. Hlau-nickel alloy yog ntau yam sib nqus hlau nplaum, nws cov khoom sib nqus tuaj yeem hloov kho los ntawm kev kho cov khoom sib nqus, sib nqus annealing, thiab tshuab dov, thiab lwm yam. Hlau-nickel alloy kuj nthuav tawm zoo heev formability, uas tuaj yeem dov mus rau nyias li 20. microns. Yog li ntawd, cov nickel-hlau alloys tuaj yeem pom nyob rau hauv daim ntawv thov dav xws li kev tiv thaiv kev sib nqus, kev cuam tshuam hauv av, sib nqus sensors, kaw lub taub hau rau magnetic tapes, hluav taws xob hluav taws xob, thiab lwm yam.

Hlau-cobalt Alloys
Ntxiv cobalt rau hlau yuav ua rau ob qho tib si Curie kub thiab BS. Rau cov ntsiab lus cobalt hauv thaj tsam ntawm 33 wt. % rau 50 wt. %, BS tuaj yeem siab li 2.4T. Txawm hais tias tsis yog mos li hlau-nickel alloy, hlau-cobalt alloys tam sim no tus nqi siab tshaj plaws ntawm BS ntawm tag nrho lwm cov hlau nplaum sib nqus. Txhawm rau kom cov formability, 2 wt. % ntawm vanadium ntxiv rau Fe50Co50 alloy, kom nws tuaj yeem dov mus rau nyias li 50 microns. Ntxiv ntawm vanadium kuj tuaj yeem ua rau kom muaj zog ntawm cov hlau-cobalt alloy. Vim yog qhov siab tshaj BS, hlau-cobalt alloys yog qhov tseem ceeb rau cov ntawv thov uas muaj zog rau qhov hnyav piv xav tau, xws li cov motors thiab transformers siv nyob rau hauv spaceborne li.

Amorphous thiab Nanocrystalline Alloys
Amorphous alloys, tseem hu ua iav hlau, tuaj yeem tsim los ntawm kev sib zog sai. Tsis muaj kev txiav txim ntev ntev rau cov atoms hauv amorphous alloys, yog li ntawd, qhov kev tiv thaiv feem ntau yog siab, thiab tsis muaj magneto crystalline anisotropy. Tsis tas li ntawd, amorphous ribbons li nyias li ib ncig ntawm 20 mus rau 30 microns tuaj yeem tsim tau yooj yim los ntawm cov txheej txheem ntws tawm. Tag nrho cov cim no lav amorphous alloys los ua cov neeg sib tw zoo rau cov hlau nplaum mos. Raws li cov khoom sib xyaw, feem ntau ntawm cov khoom lag luam muaj amorphous mos hlau nplaum tuaj yeem faib ua Fe-base, Co-base, thiab (Fe, Ni)-raws li. Rau peb hom no, tag nrho cov ntsiab lus ntawm Fe, Co, thiab Ni yog hais txog 75-90 wt.%, cov remanent yog metalloids thiab iav tsim cov ntsiab lus xws li Si, B, P, C, thiab Zr, Nb, Mo , thiab lwm yam ntawm cov hom no, Fe-raws li muaj qhov siab tshaj BS ntawm txog 1.6 T thiab tus nqi qis tshaj. Cov hlau poob ntawm Fe-raws li amorphous alloy tsuas yog ib feem peb ntawm cov hlau Fe-Si. Yog hais tias Fe-Si steel nyob rau hauv lub hwj chim transformers yuav hloov tau los ntawm Fe-base amorphous alloy, ib tug loj npaum li cas ntawm hluav taws xob fais fab yuav txuag tau, tab sis cov ntaub ntawv nqi rau tom kawg yog siab dua. Co-based amorphous alloys feem ntau muaj BS qis dua 0.8 T tab sis ntau dua permeability thiab zero tus nqi ntawm magnetostriction, uas yog piv nrog cov softest permalloy, thiab tuaj yeem ua tau zoo dua ntawm cov zaus ntau dua vim nws qhov siab dua. (Fe, Ni)-raws li amorphous alloys tam sim no nruab nrab magnetic zog piv nrog rau lwm yam.

Peb Cov Ntawv Pov Thawj

Tag nrho cov khoom tau dhau ROHS, SGS thiab lwm yam kev tiv thaiv ib puag ncig.

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Peb cov khoom siv kuaj

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Tej teeb meem ntawm Soft Magnetic Materials

Q: Dab tsi yog noncrystalline solids?

A: Non- crystalline solids yog "amorphous solids". Tsis zoo li crystalline solids, lawv tsis muaj qhov tseeb geometrical duab. Cov atoms hauv cov khib nyiab ntim ze ua ke dua li hauv cov kua thiab cov pa. Txawm li cas los xij, hauv cov khoom tsis-crystalline, cov khoom muaj kev ywj pheej me ntsis rau kev txav mus los vim lawv tsis tau npaj nruj zoo li hauv lwm cov khib nyiab. Cov khib nyiab no tsim tom qab txias txias ntawm cov kua. Cov piv txwv feem ntau yog yas thiab iav.

Q: Dab tsi yog cov khoom tsis-crystalline?

A: Nyob rau hauv condensed teeb meem physics thiab cov ntaub ntawv science, ib tug amorphous khoom (los yog non-crystalline khoom) yog ib tug khoom uas tsis muaj qhov ntev-ntev txiav txim uas yog yam ntxwv ntawm ib tug siv lead ua. Cov ntsiab lus "iav" thiab "iav khoom" yog qee zaum siv los ua cov khoom amorphous; Txawm li cas los xij, cov ntsiab lus no hais tshwj xeeb rau cov khoom siv amorphous uas tau hloov pauv iav. Piv txwv ntawm cov khoom amorphous muaj xws li iav, iav hlau, thiab qee hom yas thiab polymers. Cov khoom siv amorphous muaj cov qauv sab hauv uas muaj cov txheej txheem sib txuas uas muaj peev xwm ua tau zoo ib yam li cov qauv txheej txheem yooj yim pom nyob rau hauv cov theem sib txuam crystalline ntawm tib lub compound. Tsis zoo li cov ntaub ntawv crystalline, txawm li cas los xij, tsis muaj kev txiav txim ntev ntev. Yog li cov ntaub ntawv amorphous tsis tuaj yeem txhais tau los ntawm ib lub xov tooj finite. Cov txheej txheem txheeb cais, xws li cov txheej txheem atomic ua haujlwm thiab cov kev faib tawm reporution, muaj txiaj ntsig ntau nyob rau hauv kev piav qhia tus qauv ntawm amorphous cov khib nyiab.

Q: Dab tsi yog cov yam ntxwv ntawm cov tshuaj amorphous?

A: Amorphous solids muaj ob yam ntxwv. Thaum cleaved los yog tawg, lawv tsim fragments nrog irregular, feem ntau nkhaus nto; thiab lawv muaj cov qauv tsis zoo thaum raug x-rays vim tias lawv cov khoom tsis tau teem rau hauv ib qho array tsis tu ncua. Ib qho amorphous, translucent khoom hu ua iav.

Q: Koj ua li cas cov ntaub ntawv amorphous?

A: Tag nrho diffraction tsom xam yog ib qho ntawm cov yam ntxwv tseem ceeb rau kev txiav txim siab cov qauv hauv zos nyob rau hauv cov ntaub ntawv tsis-crystalline (amorphous solids). Nws ua rau kev siv tag nrho cov teeb liab diffraction los ntawm tus qauv thiab kho txhua cov ntaub ntawv taw qhia raws li tus neeg soj ntsuam.

Q: Dab tsi yog qhov khoom ntawm amorphous khoom?

A: Cov khoom siv amorphous yog ib hom khoom siv tsis sib xws; Nws cov yam ntxwv ntawm atomic kev npaj yog zoo li kua thiab tsis muaj lub sij hawm ntev. Lub iav-forming peev xwm ntawm ib tug alloy yog ze ze rau nws cov muaj pes tsawg leeg, thiab yog sib txawv heev nyob rau hauv ntau yam alloys.

Q: Cov ntaub ntawv amorphous puas muaj qhov tsis xws luag?

A: Raws li cov qauv crystalline uas muaj ntau hom kev tsis xws luag tuaj yeem raug cais tawm, kev sib koom ua ke tsis xws luag yog tib hom kev tsis xws luag uas muaj nyob hauv cov qauv amorphous. Kev sib koom tes tsis raug txhais tau hais tias atom muaj kev sib koom ua ke sib txawv piv rau cov atom ntawm hom zoo sib xws hauv cov qauv.

Q: Vim li cas cov khoom amorphous nkig?

A: Amorphous solids tso saib cov ductile mus nkig hloov raws li lub kinetic stability ntawm lub quiescent iav yog nce, uas ua rau cov khoom tsis ua hauj lwm tswj los ntawm qhov tshwm sim sai sai ntawm macroscopic shear band nyob rau hauv quasistatic raws tu qauv.

Q: Yuav ua li cas amorphous cuam tshuam cov khoom?

A: Nov yog qee yam khoom siv ntawm amorphous polymers: Lawv muaj qhov tsis kam tiv thaiv tshav kub. Vim tias lawv muaj ib qho kev txiav txim siab ntawm cov qauv molecular uas tsis muaj lub ntsej muag ntse, lawv soften maj mam thaum qhov kub nce. Lawv tsis yooj yim rau shrinkage thaum lawv txias.

Q: Dab tsi yog cov khoom siv amorphous tam sim no?

A: Cov khoom siv amorphous yog cov uas tsis muaj cov qauv siv lead ua. Amorphous zaj duab xis cov ntaub ntawv tuaj yeem tsim los ntawm: Kev tso tawm ntawm cov khoom siv "iav" xws li iav muaj pes tsawg leeg. Deposition ntawm qis kub qhov twg cov adatoms tsis muaj txaus txav mus rau ib tug crystalline qauv (quenching).

Q: Dab tsi yog qhov txawv ntawm crystalline thiab non crystalline khoom?

A: Crystalline solids yog teem nyob rau hauv ib tug tsis tu ncua qauv, whereas lub amorphous solids tsis qhia ib tug tsis tu ncua. Vim qhov kev npaj no, cov crystalline solids zoo li muaj qhov luv luv thiab ntev-ntev kev txiav txim, thaum lub amorphous solids tsuas muaj luv luv txiav txim.

Q: Dab tsi yog cov khoom ntawm nanocrystalline cov ntaub ntawv?

A: Nanocrystalline cov ntaub ntawv nthuav tawm muaj zog / hardness, txhim kho diffusivity, txhim kho ductility / toughness, txo qhov ntom, txo elastic modulus, siab dua hluav taws xob resistivity, nce tshwj xeeb kub, siab thermal expansion coefficient, qis thermal conductivity, thiab superior mos magnetic zog nyob rau hauv kev sib piv rau pa coarse-grained cov ntaub ntawv.

Q: Cov qauv ntawm cov khoom siv nanocrystalline yog dab tsi?

A: nanocrystalline cov ntaub ntawv yog ib leeg- lossis multiphase polycrystals nrog crystallite qhov ntau thiab tsawg ntawm ob peb nm (feem ntau 5-20 nm), yog li hais tias txog 30 vol% ntawm cov khoom muaj cov nplej lossis interphase ciam teb. Vim qhov loj ntawm cov qoob loo ciam teb thiab / lossis kev faib tawm dav ntawm interatomic spacings hauv cov ciam teb cov khoom ntawm nanocrystalline cov khoom sib txawv ntawm cov khoom siv crystalline thiab amorphous nrog tib cov tshuaj muaj pes tsawg leeg. Nanocrystalline cov ntaub ntawv zoo li tso cai rau cov alloying ntawm conventionally insoluble Cheebtsam.

Q: Vim li cas nanocrystalline cov ntaub ntawv muaj zog dua?

A: Qhov nce ntawm qhov muaj zog tawm los yog tshwm sim los ntawm kev txhim kho feem ntawm cov ciam teb, uas cuam tshuam qhov kev txav ntawm kev txav mus los. Li no lub zog ntawm nanocrystalline hlau tau pom tias yuav nce los ntawm ntau npaum li qhov kev txiav txim ntawm qhov loj npaum li cov qoob loo txo qis rau qis qis ntawm nanoscale.

Q: Dab tsi yog cov ntawv thov ntawm nanocrystalline cov ntaub ntawv?

A: Cov nroj tsuag photovoltaic nrog lub zog cia. Solar-based hybrid zog tshuab nrog enriched tag nrho efficiency. Hybrid zog systems thiab lub zog cia technologies. Theem hloov cov ntaub ntawv rau kev tswj thermal. Organic dyes, quantum dot li sensitizers. Solid-state dye-sensitized solar cells.

Q: Dab tsi yog cov khoom ntawm nanocrystalline core?

A: Lub crystalline atomic qauv ntawm ib tug nanocrystalline core tsim superior magnetic zog, nrog rau siab saturation thiab siab permeability nyob rau hauv ib tug ntau zaus. Nanocrystalline alloys kuj pom AC poob qis thiab kev ua haujlwm siab, txawm tias qhov kub thiab txias.

Q: Dab tsi yog qhov thickness ntawm nanocrystalline core?

A: Zoo ib yam li cov amorphous alloys, cov ntaub ntawv no tau tsim nyob rau hauv cov txheej txheem quenching sai nrog kev kho cua sov tom ntej rau kev tsim cov nanocrystalline nplej hauv cov khoom. Vim yog cov txheej txheem tsim khoom, cov khoom siv los ua ib daim nyias nyias nrog lub thickness ntawm qis dua 20 µm thiab qhov dav sib txawv.

Q: Dab tsi yog qhov txawv ntawm amorphous thiab nanocrystalline cores?

A: Thaum kawg ntawm cov txheej txheem tsim khoom, cov amorphous cores tseem nyob nrog cov qauv hlau-iav, thaum lub nanocrystalline cores tau txais cov qauv ua kom zoo ntawm nanometric magnetic grains tawg nyob rau hauv amorphous metallic matrix.

Q: Qhov txawv ntawm nanocrystalline thiab polycrystalline yog dab tsi?

A: Muaj ntau qhov sib txawv ntawm Nanocrstalline thiab polycrystalline cov ntaub ntawv. Nyob rau hauv nanocrystalline cov ntaub ntawv, cov nplej yog nyob rau hauv nanosize, uas yog ob peb nanometers mus rau ib ncig ntawm 100 nanometers. Cov no tsis muaj qhov txawv ntawm cov lej no. Hauv cov khoom siv polycrtstalline, qhov loj me tsis muaj qhov txwv.

Q: Dab tsi yog nanocrystalline technology?

A: Nanocrystals yog cov cab kuj-dawb colloidal xa cov tshuab uas txhais tau tias lawv yuav luag 100% tshuaj. Cov tshuaj xa los ntawm nanocrystals muaj peev xwm txhim kho qhov ncauj bioavailability ntawm cov tshuaj insoluble dej, txo cov koob tshuaj, nce kev sib cais tshaj tawm thiab nce particle stability.

Q: nanocrystalline theem yog dab tsi?

A: Nanocrystalline cov ntaub ntawv (NCM) yog ib-theem lossis multiphase polycrystals, siv lead ua loj ntawm qhov kev txiav txim ntawm ob peb (feem ntau 1-10) nanometers, yog li hais txog 50 vol. % ntawm cov khoom muaj grain los yog interphase ciam teb.

Peb yog cov kws tshaj lij cov khoom lag luam thiab cov muag khoom hauv Suav teb, tshwj xeeb hauv kev muab cov kev pabcuam zoo. Peb sov siab txais tos koj mus yuav cov khoom muag muag hauv Suav teb ntawm no los ntawm peb lub hoobkas.