Dab tsi Ua Thermocouples nrog Cov Khoom Tshwj Xeeb Sheath Zoo tagnrho rau Cov Hnav Hnav Hnav?

Thermocouples muab cov khoom tshwj xeeb sheath muaj ntau tus cwj pwm tseem ceeb uas ua rau lawv sib txawv tsim nyog rau ntau qhov chaw nyob.
Cov khoom tshwj xeeb sheath yog engineered los qhia tawm zoo kawg li hardness thiab toughness. Qhov no tso cai rau lawv los tiv thaiv lub cev tsis tu ncua thiab cov nyhuv uas tuaj yeem ua tus qauv hauv cov xwm txheej tsis zoo, nrog rau kev ua phem lossis tsis ua haujlwm tsis tu ncua.
Cov tshuaj no feem ntau muaj cov coefficient tsawg ntawm kev sib txhuam, txo cov kev sib txhuam quab yuam uas ua rau muaj kev cuam tshuam rau muab tso rau. Raws li qhov tshwm sim, cov thermocouple sheath tuaj yeem txuas ntxiv tshaj tawm rau kev txhuam thiab zawv zawg nrog tsis muaj kev puas tsuaj loj heev.
Cov tshuaj muaj pes tsawg leeg ntawm cov khoom sheath tshwj xeeb imparts zoo heev tiv thaiv oxidation thiab corrosion. Qhov no yog qhov tseem ceeb nyob rau hauv ib puag ncig uas cov ntaub ntawv kuj tseem tuaj yeem ua rau lub hom phiaj degradation los yog tshuaj tua kab mob, ua kom cov kav ntev thiab muaj peev xwm ntawm cov thermocouple.
Lawv muaj lub peev xwm los khaws lawv cov neeg kho tshuab qhov chaw nyob ntawm qhov kub thiab txias. Qhov no yog qhov tseem ceeb heev vim tias qhov chaw nyob ib puag ncig yuav muaj qhov sov so, thiab cov ntaub qhwv yuav tsum tuav nws txoj kev ncaj ncees thiab tiv thaiv kev muaj peev xwm hauv qab cov kev ntxhov siab sib xyaw.
Cov tshuaj sheath tshwj xeeb tej zaum yuav raug txiav txim siab rau nws qhov kev qaug zog ntau dhau. Qhov no cia nyob rau hauv lub thermocouple los tiv thaiv cyclic loading thiab repetitive stresses nrog kev loj hlob tej kab nrib pleb los yog fractures uas yuav cuam tshuam nws tag nrho cov kev ua tau zoo.
Qee yam ntawm cov khoom no muaj qhov chaw nyob ntawm tus kheej lubricating, ntxiv rau txo qis thiab txo lub peev xwm los khi lossis txeeb ntawm qee theem ntawm kev txav mus los hauv ib puag ncig.
Lub microstructure ntawm cov khoom sheath tshwj xeeb tuaj yeem tsim los ua kom muaj kev tiv thaiv zoo tshaj rau kev tawg tawm. Txawm hais tias muaj teeb meem me me hauv pem teb, nws yog qhov tsawg dua nyob rau hauv txhua qhov yuav nthuav tawm thiab lub hom phiaj kev puas tsuaj loj ntawm cov ntaub qhwv.
Tsis tas li ntawd, cov tshuaj no yuav raug tsim kom muaj thermal conductivity, ua kom sov sov ntsuab hloov mus rau thermocouple nthuav dav kom raug qhov kub thiab txias txawm li cas los xij muab kev nyab xeeb muaj zog hauv kev tawm tsam kom muab tso rau.
Txawm li cas los xij, kev xaiv ntawm cov ntaub qhwv tshwj xeeb tshwj xeeb yog nyob ntawm qhov kev ntsuas qhov tob ntawm tus cwj pwm thiab qhov hnyav ntawm qhov ntau dhau-ua rau ib puag ncig kom paub tseeb tias qhov zoo tshaj plaws tag nrho kev ua tau zoo thiab kav ntev.