Waxay ku habboon tahay goobo badan iyo warshado, oo ay ku jiraan elektaroonigga, caafimaadka, baabuurta, mishiinnada, iwm. Hadday tahay dareemayaasha, matoorada, qalabka codka ama codsiyada kale, alaabadayadu waxay had iyo jeer muujiyaan waxqabad heer sare ah iyo tayada joogtada ah.Qaababkayada kale ee alaabada ndFeb waxay mar horeba guul weyn ka gaadheen mashaariic iyo codsiyo badan.
Tusaale ahaan, habka wadista baabuurta korontada, alaabtayadu waxay ka qaybqaataan hantida matoorka oo hufan iyo soo saarista tamarta.Waxaan sidoo kale siinaa taageero birlabeed muhiim ah oo loogu talagalay qalabyo caafimaad oo ballaaran oo goobta qalabka caafimaadka ah.Markaa macaamiishu waxay aad u amaaneen tayada iyo waxqabadka alaabadayada.
Suuqa tartanka, alaabtayadu waxay leeyihiin faa'iido xooggan.Sababtoo ah waxaan haynaa habab wax soo saar oo horumarsan iyo qalab si loo hubiyo xasilloonida iyo joogtaynta tayada alaabta.Waxaan sidoo kale si joogto ah u horumariyo oo aan cusboonaysiinno si aan u daboolno baahiyaha isbeddelaya ee macaamiisheena.Nidaamkeena ayaa si adag u xakameynaya xiriiriye kasta si loo hubiyo in alaabadu ay buuxiyaan shuruudaha tayada sare leh.
Waxaan bixinaa xalal kala duwan si loo daboolo baahiyaha gaarka ah ee macaamiisheena.Kooxdayada xirfadlayaasha ah waxay si dhow ula shaqeeyaan macaamiisheena si ay u fahmaan codsiyadooda iyo baahidooda si ay u siiyaan xalal iyaga ku saabsan xulashada alaabta ugu fiican iyo naqshadeynta.
Waxaa naga go'an inaan siino macaamiisheena xal-u-qaabaysan si loo hubiyo inay si buuxda uga faa'iideysan karaan faa'iidooyinka qaababka kale ee alaabta Ndfeb si loo gaaro waxtarka iyo waxqabadka weyn.
Waxaan sidoo kale siinaa adeeg iib ka dib macaamiisheena.Haddi ay tahay rakibaadda, hawlgelinta ama dayactirka alaabta, waxaanu ku siin doonaa taageero iyo hagitaan wakhtiga ku haboon.
Waxaan u hoggaansanahay mabda'a macaamilka marka hore, had iyo jeer waxaan dhignaa qanacsanaanta macaamilka meesha ugu horeysa, waxaana ku dadaalnaa inaan siino macaamiisha khibradda ugu wanaagsan ee iibka kadib.
Sida soo saaraha Ndfeb, qaababkayada kale ee alaabada NdFeb waxay u taagan yihiin sifooyinkooda magnetic xooggan, qaabaynta qaabka gaarka ah iyo codsiyo kala duwan.
Taageeradayada farsamada, dib u eegista macaamiisha, adeegga iibka ka dib iyo faa'iidada tartanka ayaa sii xoojinaysa booskayada suuqa.Waxaan sii wadi doonaa in ay ka go'an tahay hal-abuurka tignoolajiyada iyo hagaajinta alaabta, si macaamiisha u siino tayo sare leh oo qaabab kala duwan NdFeb alaabta si ay u sameeyaan wax weyn ku biirinta horumarinta iyo hal-abuurka ee dhammaan qaybaha kala duwan ee nolosha.
Habka Waxsoosaarka NdFeB
Hordhac Dahaarka
Dusha sare | Dahaarka | Dhumucda μm | Midabka | Saacadaha SST | Saacadaha PCT | |
Nikkel | Ni | 10 ilaa 20 | Silver dhalaalaya | >24~72 | >24~72 | |
Ni+Cu+Ni | ||||||
Nickel madow | Ni+Cu+Ni | 10 ilaa 20 | Madow dhalaalaya | >48~96 | >48 | |
Cr3+ Zinc | Zn C-Zn | 5~8 | Brighe Blue Midabka dhalaalaya | >16~48 >36~72 | --- | |
Sn | Ni+Cu+Ni+Sn | 10 ilaa 25 | Silver | >36~72 | >48 | |
Au | Ni+Cu+Ni+Au | 10 ilaa 15 | Dahab | >12 | >48 | |
Ag | Ni+Cu+Ni+Ag | 10 ilaa 15 | Silver | >12 | >48 | |
Epoxy | Epoxy | 10 ilaa 20 | Madow/Cawlan | >48 | --- | |
Ni+Cu+Epoxy | 15 ilaa 30 | >72~108 | --- | |||
Zn+Epoxy | 15 ilaa 25 | >72~108 | --- | |||
Dareenka | --- | 1~3 | Cawlan madow | Ilaalinta ku meel gaadhka ah | --- | |
Fosfate | --- | 1~3 | Cawlan madow | Ilaalinta ku meel gaadhka ah) | --- |
Astaamaha Jirka
Shayga | Halbeegyada | Tixraaca Qiimaha | Unug |
Kaaliyaha Magnetik Guryaha | Isku-dhafka Heerkulka La-noqon karo ee Br | -0.08--0.12 | %/℃ |
Isku-dhafka Heerkulka La-noqon karo ee Hcj | -0.42~-0.70 | %/℃ | |
Kuleylka Gaarka ah | 0.502 | KJ · (Kg ·℃)-1 | |
Heerkulka Curie | 310 ~ 380 | ℃ | |
Mechanical Physical Guryaha | Cufnaanta | 7.5-7.80 | g/cm3 |
Vickers Hardness | 650 | Hv | |
Iska caabinta Korontada | 1.4x10-6 | μQ ·m | |
Xoog isku dhejisan | 1050 | MPa | |
Xoogga Jilicsan | 80 | Mpa | |
Xoog Laabashada | 290 | Mpa | |
Habdhaqanka kulaylka | 6 ilaa 8.95 | W/m ·K | |
Modulka dhalinyarada | 160 | GPA | |
Balaadhinta kulaylka (C⊥) | -1.5 | 10-6/℃-1 | |
Balaadhinta kulaylka (CII) | 6.5 | 10-6/℃-1 |