Hauv cov khoom siv hluav taws xob, cov resistors ua lub luag haujlwm tseem ceeb hauv kev tswj cov dej ntws ntawm tam sim no. Lawv yog cov khoom tseem ceeb hauv cov khoom siv xws li los ntawm cov kab hluav taws xob yooj yim mus rau cov tshuab ua haujlwm nyuaj. Cov ntaub ntawv siv los tsim cov resistors zoo heev rau lawv cov kev ua tau zoo, durability thiab efficiency. Ntawm lawv, hlau-chromium-aluminium alloys, nickel-chromium alloys, thiab tooj liab-nickel alloys yog qhov txaus siab vim lawv cov khoom tshwj xeeb.

 

Vim li cas alloys ua lub luag haujlwm tseem ceeb hauv kev tsim cov khoom siv hluav taws xob

Alloys yog cov sib tov ntawm ob lossis ntau lub ntsiab lus, tsawg kawg yog ib qho ntawm cov hlau. Lawv tau tsim los txhim kho cov khoom tshwj xeeb xws li lub zog, corrosion kuj thiab thermal stability. Nyob rau hauv cov ntaub ntawv resistor, kev xaiv ntawm alloy cuam tshuam qhov kub coefficient, stability thiab tag nrho cov kev ua tau zoo ntawm tus resistor.

 

Dab tsi yog cov khoom tseem ceeb ntawm cov alloys siv hauv cov resistors

(1) Resistance: Lub luag haujlwm tseem ceeb ntawm tus resistor yog los muab kev tiv thaiv rau qhov ntws ntawm tam sim no. Lub resistivity ntawm cov hlau yog qhov tseem ceeb hauv kev txiav txim siab nws cov txiaj ntsig hauv kev ua haujlwm no. 2.

(2) Temperature Coefficient: Cov cuab yeej no qhia tias qhov kev tiv thaiv ntawm cov khoom sib txawv ntawm qhov kub npaum li cas. Resistors yuav tsum muaj qhov kub tsis tshua muaj coefficient ntawm kev ua haujlwm kom ntseeg tau tias kev ua haujlwm ruaj khov nyob rau ntau qhov kub thiab txias.

(3) Corrosion Resistance: Cov resistors feem ntau raug rau qhov chaw hnyav. Alloys uas tiv thaiv oxidation thiab corrosion yog qhov tseem ceeb rau kev tswj lub neej thiab kev ntseeg siab ntawm cov resistor.

(4) Mechanical Strength: Resistors yuav tsum tiv taus lub cev kev nyuaj siab thiab thermal cycling. Alloys nrog lub zog txhua yam tuaj yeem tiv taus cov xwm txheej no yam tsis muaj degradation.

(5) Thermal Stability: Lub peev xwm ntawm cov hlau nplaum los tswj nws cov khoom ntawm qhov kub siab yog qhov tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv kev siv hluav taws xob siab.

 

Hlau Chromium Txhuas Alloy - Cov Khoom thiab Cov Khoom:

Hlau-chromium-aluminium alloys(FeCrAl) paub txog lawv cov kev tiv thaiv oxidation zoo heev thiab qhov kub thiab txias. Feem ntau tsim los ntawm hlau, chromium thiab txhuas, cov alloys tsis degrade loj ntawm qhov kub txog li 1400 ° C (2550 ° F).
Daim ntawv thov hauv Resistor:

Hlau-chromium-aluminium alloys yog dav siv nyob rau hauv high-temperature resistors, tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv hauv qab no:

- Cov Cuab Yeej Cuab Yeej: Hlau Chromium Txhuas alloys feem ntau yog siv los ua cov cua sov hauv cov cua sov thiab cov ncu vim lawv muaj peev xwm tswj tau cov qauv kev ntseeg siab ntawm qhov kub thiab txias.

- Fais fab resistors: Cov alloys no kuj siv rau hauv cov hluav taws xob resistors uas yuav tsum tau thermal stability thiab oxidation kuj.

- Automotive applications: Hauv automotive electronics, FeCrAl alloys yog siv rau hauv cov resistors uas ua haujlwm nyob rau hauv qhov kub thiab txias, xws li lub tshuab tso pa.