6J12, tseem hu ua modified Manganin, yog ib qho high-precision copper-manganese-nickel resistance alloy.
Nws yog tus qauv raws li Tuam Tshoj tus qauv hauv tebchaws GB / T 15018-1994, tsim rau cov ntawv thov uas xav tau cov nqi tiv thaiv ultra-ruaj khov thiab qhov kub tsawg kawg nkaus.
Cov ntsiab lus tseem ceeb:
l Ultra-low tsis kam kub coefficient (TCR)
l Cov cua sov tsawg EMF tiv thaiv tooj liab
l Kev ruaj khov mus sij hawm ntev zoo heev
l Zoo ductility rau kev kos duab hlau zoo
l Haum rau kev ntsuas thiab tswj cov txheej txheem siab
Kev Tsim Kho: Kev Yug Los Ntawm Manganin (1892)
Keeb kwm ntawm6J12Cov tshuaj no tau pib tsim los ntawm tus kws tshawb fawb Askiv Edward Weston hauv xyoo 1892.
Xyoo 1887: Weston tsim Constantan, thawj cov hlau tsis kam TCR qis.
Xyoo 1892: Manganin tau tsim los ntawm cov mis ntawm Cu86%, Mn12%, Ni2%.
l Kev tawg ntawm lub hauv paus: Nyob ze-xoom TCR ze rau qhov kub thiab txias, ua kom ruaj khov.
Xyoo 1901–1990: Cov manganin resistors tau ua haujlwm ua tus qauv kev cai lij choj rau ohm hauv Tebchaws Meskas.
Qhov kev tsim kho tshiab no tau tsim lub hauv paus rau txhua yam khoom siv niaj hnub uas tiv taus qhov tseeb.
Kev Hloov Pauv: Los ntawm Manganin mus rau 6J12
6J12 yog Suav teb tau hloov kho dua tshiab thiab ua tus qauv ntawm Manganin ib txwm muaj, uas tau kho kom zoo rau cov kev xav tau niaj hnub no.
Xyoo 1950: Tuam Tshoj tau pib tshawb nrhiav thiab tsim cov khoom siv precision alloys kom tsis txhob muaj kev vam khom los ntawm lwm lub teb chaws.
Xyoo 1994: Tuam Tshoj tau tshaj tawm GB/T 15018-1994, thiab tau muab lub npe hu ua cov hlau zoo tshaj plaws 6J12.
Kev Txhim Kho: Ntxiv cov Si thiab Fe kom txhim kho kev tiv taus cua sov thiab kev ua haujlwm zoo.
l Qhov Zoo: Kev ruaj khov zoo dua nyob rau hauv qhov kub thiab txias, av noo siab thiab chaw ua haujlwm hnyav.
6J12 Cov Khoom Siv Txheem
| Khoom | Cov ntsiab lus (%) | Lub Luag Haujlwm Tseem Ceeb |
| Tooj liab (Cu) | 84.0–86.0 | Cov khoom siv yooj yim, muab kev coj ua hluav taws xob yooj yim thiab kev ua kom lub cev muaj zog |
| Manganese (Mn) | 11.0–13.0 | Ua rau muaj kev tiv taus ntau dua thiab txo qis TCR kom ntseeg tau tias muaj kev ruaj khov ntawm kev tiv taus |
| Nickel (Ni) | 1.0–3.0 | Ua kom tus nqi tsis kam ruaj khov thiab txhim kho kev tiv thaiv oxidation |
| Si, Fe | Txoj kab | Txhim kho kev tiv taus cua sov thiab kev rub hlau rau kev tsim khoom loj |
Cov Khoom Tseem Ceeb ntawm 6J12 Alloy
Cov Khoom Siv Hluav Taws Xob
Kev Tiv Thaiv (20 ° C): 0.45–0.48 μΩ·m
l TCR: ≤±10 × 10⁻⁶/℃ (-60°C txog +60°C)
l Thermal EMF vs. Cu: ≤1 μV/℃, txo qhov yuam kev ntsuas
Cov Khoom Siv Lub Cev & Lub Tshuab
Qhov Ceev: ~8.4 g/cm³
Lub zog Tensile: 680–720 MPa
l Kev Ntev: 12–15%
l Zoo plasticity, tsim rau kos cov hlau zoo mus txog 0.05 hli
Vim Li Cas 6J12 Thiaj Tau Tsim Tawm
Manganin ib txwm muaj kev txwv hauv kev ua haujlwm ruaj khov thiab kev ua haujlwm kub siab, uas tsis tuaj yeem ua tau raws li cov kev xav tau niaj hnub no.
6J12 tau tsim los daws cov teeb meem no:
Txo qhov kev tiv thaiv tsis kam hauv qhov kub thiab txias, ua kom ntseeg tau qhov tseeb ntawm kev ntsuas
l Txhim kho lub neej kev pabcuam hauv kev lag luam hnyav thiab aerospace ib puag ncig
l Txhim kho kev ua haujlwm kos duab hlau kom hloov kho rau kev tsim cov xov hlau precision ntau ntau
l Ua tau raws li cov qauv hauv tebchaws uas nruj dua rau cov khoom siv hluav taws xob siab
Cov Kev Siv Rau 6J12 Hlau
Peb cov hlau hlau 6J12 precision alloy siv dav hauv cov teb uas muaj kev raug siab, muab kev ua tau zoo rau cov khoom tseem ceeb:
l Precision txheem resistors thiab tsis kam thawv
l Shunts rau cov cuab yeej hluav taws xob, multimeters thiab fais fab meters
l Cov ntsuas kev ntsuas thiab cov ntsuas siab rau kev tswj hwm kev lag luam
l Aerospace thiab tub rog hluav taws xob Cheebtsam nrog kev ntseeg siab siab
l Cov cuab yeej ntsuas kev ntsuas thiab cov khoom siv ntsuas qhov tseeb
6J12 piv rau Manganin ib txwm muaj
| Khoom | Cov Manganin Ib Txwm Muaj | 6J12 Kev Ua Zoo Tshaj Plaws Alloy |
| Tus Qauv | Tsis yog tus qauv | GB/T 15018-1994 |
| TCR | ±20 × 10⁻⁶/℃ | ≤±10 × 10⁻⁶/℃ |
| Kev tiv thaiv kub | Dav Dav | Txhim kho, tsim nyog rau cov chaw kub siab |
| Kev ua tau zoo | Qhov nruab nrab | Zoo heev rau kev kos duab hlau zoo |
| Kev Ruaj Ntseg | Zoo | Zoo heev rau kev siv mus sij hawm ntev |
Cov txiaj ntsig ntawm 6J12 hauv Kev Lag Luam Niaj Hnub
l Cov cuab yeej cuab tam pov thawj: Ntau tshaj 130 xyoo ntawm kev sib sau ua ke los ntawm Manganin
l Kev ua tau zoo heev: Kev tiv thaiv tsawg kawg nkaus thaum lub sijhawm thiab kev hloov pauv kub
l Muaj zog ua tau zoo: Zoo tagnrho rau kev tsim cov xov hlau precision ntawm ntau yam kev qhia tshwj xeeb
Kev Ua Raws Cai: Ua tau raws li GB, ASTM, thiab IEC cov qauv, tsim nyog rau kev siv thoob ntiaj teb
l Tus nqi tsim nyog: Sib npaug kev ua tau zoo thiab kev pheej yig hauv kev lag luam
Xaus lus
6J12 Precision Alloy yog qhov kev hloov pauv niaj hnub ntawm Manganin keeb kwm, kev koom ua ke 130 xyoo ntawm kev nce qib hauv kev siv tshuab.
Txij li nws txoj kev tsim khoom xyoo 1892 mus txog rau niaj hnub no cov khoom siv hauv tebchaws, nws tseem tsis hloov pauv tau hauv cov khoom siv hluav taws xob siab.
Peb cov hlau 6J12 tau txais qhov qub txeeg qub teg no, muab kev ua haujlwm txhim khu kev qha, ruaj khov rau cov twj paj nruag precision, sensors, thiab aerospace systems thoob ntiaj teb. Yog tias koj muaj kev xav tau cuam tshuam, thov koj xav tias dawb rautiv tauj pebtxhua lub sijhawm.
Lub sijhawm tshaj tawm: Plaub Hlis-17-2026
