Cov teeb meem tshwm sim nrog tawg-pov thawj cua sov
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Cov teeb meem tshwm sim nrog tawg-pov thawj cua sov
Piv rau cov khoom siv hluav taws xob zoo tib yam, cov khoom siv hluav taws xob ceramic muaj ntau dua thiab muaj kev nyab xeeb dua. Vim lawv cov khoom tawg-pov thawj, ntau tus neeg xaiv los yuav cov cua sov ceramic! Cov khoom pov thawj tawg yog qhov tseem ceeb heev, thiab rau cov cuab yeej siv tau zoo, qee qhov kev tiv thaiv yog qhov tseem ceeb tshaj plaws. Yog li koj paub ntau npaum li cas txog cov teeb meem tshwm sim nrog cov khoom tawg-pov thawj? Rau peb tus kheej kev nyab xeeb, cia peb saib cov ntsiab lus hauv qab no thiab nkag siab txog cov xwm txheej uas nws siv.
Tam sim no, ceramic heaters tau dav siv hauv kev ua lag luam, thiab ceramic heaters yog ib qho ntawm lawv. Lawv tsuas yog haum rau cov cua sov ncaj qha thiab ua kom sov ntawm cov xov xwm nquag. Cov khoom siv no muaj lub zog cua sov siab, muaj kev nyab xeeb thiab txhim khu kev qha, thiab yog ntsuab thiab ib puag ncig tus phooj ywg. Txawm li cas los xij, qee zaum thaum siv, nws tuaj yeem pom cov cua sov tsis sib xws, thiab cov cua sov tuaj yeem ua rau zoo lossis phem. Yog li dab tsi yog vim li cas rau qhov tshwm sim no?
Ua ntej, yog tias cov hlau tsis kam ntawm cov khoom siv hluav taws xob ceramic tsis raug xaiv kom raug, cov xov hlau tsis zoo yuav tsum tau xaiv ua ntej ua haujlwm. Qhov zoo ntawm cov hlau tsis kam muaj qhov cuam tshuam loj rau kev ua haujlwm ntawm cov khoom siv. Yog tias cov hlau tsis raug xaiv raug xaiv kom raug, nws yuav ua rau cov cua sov tsis sib xws lossis cov cua kub hloov pauv.
Cov khoom siv hluav taws xob siv hluav taws xob feem ntau siv hauv cov kav hluav taws xob cua sov muaj xws li Fe Cr Al thiab Cr20Ni80 cov xov hlau tsis kam. KAWAI siv 0Cr25Al5 qib hlau chromium hlau, uas muaj qhov melting point ntau dua li cov hlau chromium hlau zoo tib yam thiab lub neej kev pab zoo dua. Thawj qhov sib txawv ntawm ob hom kev tiv thaiv xov hlau yog tias lub melting point ntawm 0Cr25Al5 yog siab dua li ntawm Cr20Ni80, tab sis ntawm qhov kub thiab txias, 0Cr25Al5 yog oxidation ntau dua, thaum Cr20Ni80 muaj peev xwm tswj tau qhov kev ua tau zoo ntawm qhov kub thiab txias. Yog li ntawd, cov hlau tsis kam siv nyob rau hauv qhov kub thiab txias feem ntau siv Cr20Ni80.
Tej yam uas ib txwm muaj kev pheej hmoo yuav muaj cov cim tseem ceeb, xws li kev pheej hmoo, thov tsis txhob kov lawv. Cov phauj hauv tsev kawm ntawv cov tsev kawm ntawv feem ntau tshawb xyuas cov tsev kawm ntawv cov tsev kawm ntawv, vim tias cov khoom siv hluav taws xob muaj zog tuaj yeem ua rau hluav taws kub, yog li peb yuav tsum tau xyuam xim rau cov teeb meem kev nyab xeeb thaum siv lawv!
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