Ọkachamara magnetik

Ahụmịhe nrụpụta afọ 15
ngwaahịa

Gburugburu NdFeb, etinyere ya na electroacoustic

Nkọwa dị mkpirikpi:

A na-ejikarị Round Ndfeb eme ihe na moto, igwe okwu, sensọ, ngwaahịa eletrọnịkị, nkwakọ ngwaahịa magnetik na ihe ndị ọzọ.N'iji ụda ụda dịka ọmụmaatụ, arụmọrụ ngwaahịa magnetik na-emetụta àgwà na ndụ ọrụ nke igwe okwu.

Ụlọ ọrụ anyị na-enye nkwado teknụzụ ọkachamara iji nyere ndị ahịa aka ịhazi ngwaahịa NdFeb dị ka mkpa ngwa dị iche iche si dị, na ịmepụta ngwọta kwekọrọ na nsogbu ndị ahịa zutere na usoro bara uru.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Anyị na-eji usoro enweghị dysprosium na ngwaahịa dị ala dị ala maka ndị ahịa iji belata ọnụ ahịa.Anyị nwere usoro kwụsiri ike nke enwere ike ịme ka ọ bụrụ ngwaahịa ọnụọgụ dị ala.Ọ na-ebelata ọnụ ahịa ma na-abawanye arụmọrụ n'ihu maka ndị ahịa na-ejikwa nlezianya na-achịkwa ndidi na nhazi na mkpuchi dị ka ihe dị iche iche chọrọ nke ndị ahịa iji hụ na nkwụsi ike nke nchebe plating n'otu oge, gụnyere nnu nnu, mkpuchi mkpuchi, njikọ colloid na ihe ndị ọzọ. .

Ngwaahịa gburugburu na-adịkarị mfe nkuku na-efu na usoro mmepụta.Ya mere, anyị nwere ngwa nyocha zuru ezu na-akpaghị aka maka ọdịdị ọdịdị ọdịdị, nke nwere ike hụ na ntụpọ ngwaahịa dị n'ime oke njikwa ma zere ngwaahịa ndị na-adịghị mma na iji usoro.

N'ihe gbasara ngbanwe agbanwe agbanwe, anyị na-ahụ na ọkụ na-eme ka ọ bụrụ ihe na-agbanwe agbanwe na njikwa usoro magnet, yana ngwa nyocha zuru oke iji gbochie ngwaahịa magnetik na-adịghị ike ịgakwuru ndị ahịa.N'ihe gbasara nkwakọ ngwaahịa magnetization, ụlọ ọrụ anyị nwere akụrụngwa magnetization na-akpaghị aka iji gbochie ndị ọrụ ịfefe ụgwọ magnetik.

N'ihe banyere njikwa nnyefe, ọnụ ọgụgụ dị ukwuu nke igwe na-egbutu multi-line, slicing units, tozuru okè teknuzu nhazi ọrụ, zuru okè ngwaahịa usoro nlekota oru, onye ọ bụla nzọụkwụ nke ngwaahịa nhazi na mmepụta nwere ike nweta ọganihu nzaghachi n'oge ọ bụla, tozuru okè cylindrical ngwaahịa akara, iji hụ na njikwa ndị ahịa chọrọ maka nnyefe ngwaahịa, yana ọganihu mmepụta ihe na-achịkwa.

Usoro Mmepụta NdFeB

EKWU EKPERE

Okwu Mmalite

Elu Mkpuchi Ọkpụrụkpụ μm Agba Oge elekere SST Oge elekere PCT
Nickel Ni 10-20 Ọla ọcha na-egbuke egbuke > 24 ~ 72 > 24 ~ 72
Ni+Cu+Ni
Black Nickel Ni+Cu+Ni 10-20 Oji na-egbuke egbuke > 48 ~ 96 >48
Cr3+ Zinc Zn
C-Zn
5–8 Brighe Blue
Agba na-enwu
> 16 ruo 48
> 36 ~ 72
---
Sn Ni+Cu+Ni+Sn 10-25 Ọlaọcha > 36 ~ 72 >48
Au Ni+Cu+Ni+Au 10–15 Ọlaedo >12 >48
Ag Ni+Cu+Ni+Ag 10-15 Ọlaọcha >12 >48
Epoxy
Epoxy 10-20 Oji/isi awọ >48 ---
Ni+Cu+Epoxy 15-30 > 72 ~ 108 ---
Zn+Epoxy 15–25 > 72 ~ 108 ---
Mmasị --- 1 3 Ọchịchịrị Grey Nchedo nwa oge ---
Phosphate --- 1 3 Ọchịchịrị Grey Nchedo nwa oge) ---

Njirimara anụ ahụ

Ihe Oke Uru ntụaka Nkeji
Magnetik inyeaka
Njirimara
Ọnụego ọnụọgụ mgbanwe nke Br -0.08-0.12 %/℃
Ọnụego ngbanwe okpomọkụ nke Hcj -0.42 ~ 0.70 %/℃
Okpomọkụ akọwapụtara 0,502 KJ·(Kg ·℃)-1
Okpomọkụ Curie 310-380
Mechanical Physical
Njirimara
Njupụta 7.5-7.80 g/cm3
Vickers ike ike 650 Hv
Nguzogide eletrik 1.4x10-6 μQ · m
Ike mkpakọ 1050 MPa
Ike ọdụdọ 80 Mpa
Na-ehulata Ike 290 Mpa
Nrụpụta okpomọkụ 6 ruo 8.95 W/m · K
Modul nke Young 160 GPA
Mgbasa ọkụ (C⊥) -1.5 10-6/℃-1
Mgbasa ọkụ (CII) 6.5 10-6/℃-1

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