Siab -Kev Xaiv Cov Khoom Kub Kub: Los ntawm 304 Stainless Hlau rau Ceramic Tubes

May 07, 2026

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Siab -Kev Xaiv Cov Khoom Kub Kub: Los ntawm 304 Stainless Hlau rau Ceramic Tubes

Cov ntaub ntawv qib sib piv ncaj qha txiav txim siab qhov siab - qhov kub thiab txias tsis kam thiab oxidation tsis kam ntawm cov cua kub, thiab qhov sib txuam ntawm qhov kub tsis raug yuav ua rau cov khoom tsis ua hauj lwm sai txawm tias muaj peev xwm muaj peev xwm thiab cov khoom thauj khoom. High-cov ntaub ntawv kub cua sov tube ua kom tiav cov txheej txheem los ntawm cov pa stainless hlau mus rau siab-kawg alloy thiab cov ntaub ntawv ceramic, nrog rau txhua yam khoom siv tshwj xeeb rau qhov ntsuas kub thiab kev ua tau zoo. Kev xaiv qib tsim nyog tuaj yeem sib npaug ntawm kev ua haujlwm engineering thiab tus nqi nyiaj txiag, thiab cov thermocouple ntev -lub sijhawm ntsuas kub tuaj yeem txheeb xyuas qhov ruaj khov ntawm cov khoom siv hauv kev ua haujlwm tiag tiag.

304 stainless hlau yog tus nqi tshaj plaws - cov khoom siv tau zoo rau qis - qib siab - qhov kub thiab txias, haum rau kev ua haujlwm tsis tu ncua kub hauv qab 450℃. Cov khoom siv muaj cov khoom siv ruaj khov thiab oxidation tsis kam nyob rau hauv nruab nrab thiab qis siab - qhov kub thiab txias ib puag ncig, nrog tus nqi qis thiab kev hloov pauv dav rau cov pa hluav taws xob muaj qhov cub cua sov, nruab nrab - qhov kub thiab txias huab cua thiab cov kua ua kua siab siab -kub cua sov. Cov qauv kev ruaj ntseg thiab kev tiv thaiv oxidation ntawm 304 stainless hlau yuav poob qis heev thaum siab tshaj 450 degree, nws yooj yim rau grain ciam oxidation thiab nto tev.

321 stainless hlau ua haujlwm raws li cov khoom nyiam rau nruab nrab siab - qhov kub thiab txias ntawm 450℃txog 600 degree, daws cov teeb meem tseem ceeb ntawm cov hlau tsis zoo ib yam tsis zoo intergranular corrosion kuj ntawm qhov kub thiab txias. Cov khoom siv titanium ntxiv hauv 321 tuaj yeem txhim kho cov ntsiab lus hauv cov pa roj carbon monoxide, inhibit carbide nag lossis daus ntawm cov ciam teb, thiab tswj kom muaj kev ncaj ncees ntawm cov qauv hlau nyob rau hauv ntev - lub sij hawm thermal cycling. Cov khoom no muaj txiaj ntsig zoo tiv taus siab - kub qaug zog tawg thiab oxidation kev laus, zoo haum rau kev hloov pauv siab - qhov kub thiab txias ua haujlwm nrog nquag pib thiab kaw.

310S stainless hlau yog ib qho kev ua haujlwm siab -cov khoom kub resistant rau ultra- kub kub ntawm 600℃txog 800℃. Nrog rau siab chromium thiab npib tsib xee alloy piv, 310S cov ntaub ntawv tsim ib tug tuab tiv thaiv oxide zaj duab xis ntawm lub raj nto nyob rau hauv ultra- kub kub, uas muaj peev xwm zoo cais cua oxidation thiab thermal yaig. Nws tuav lub zog ruaj khov thiab nkag mus rau hauv lub sijhawm ntev - lub sijhawm 800℃siab - qhov chaw kub, thiab dav siv nyob rau hauv siab - kub muaj qhov cub, ziab khoom thiab siab - cua kub cua sov tshuab.

Incoloy800 npib tsib xee-raws li alloy yog cov khoom siv siab-kawg kho kom haum rau siab heev- kub ua haujlwm ntawm 800℃txog 850℃. Sib txawv ntawm cov ntaub ntawv stainless hlau, npib tsib xee-raws li alloys muaj ultra-siab thermal stability thiab creep resistance, thiab yuav tsis tsim cov qauv softening thiab mus tas li deformation nyob rau hauv ntev -lub sij hawm ultra- kub load. Cov khoom siv no muaj kev ruaj ntseg zoo tshaj plaws ntawm cov khoom siv hlau cua sov raj thiab tsim nyog rau siab - cov cuab yeej muaj kev ua haujlwm uas yuav tsum tau ua ntev - lub sij hawm tsis cuam tshuam siab - kub ua haujlwm.

Ceramic cua sov raj ua ib qho kev xaiv txhim khu kev qha rau ultra- siab heev- qhov ntsuas kub ntawm 850℃txog 1200℃. Cov ntaub ntawv hlau yuav raug oxidation hnyav thiab cov qauv tsis ua haujlwm siab tshaj 850 degree, thaum siab -purity ceramic cov ntaub ntawv muaj qhov zoo heev - kub tsis kam, rwb thaiv tsev kev ua haujlwm thiab tshuaj lom neeg ruaj khov. Ceramic cua sov raj tuaj yeem ua haujlwm ruaj khov nyob rau hauv 1200℃siab- qhov kub thiab txias ib puag ncig rau lub sijhawm ntev, muaj feem xyuam rau siab -kub rauv, sintering khoom thiab tshwj xeeb ultra- kub txheej txheem cua sov.

Hierarchical xaiv cov ntaub ntawv raws li qhov kub thiab txias yog lub hauv paus ntsiab lus ntawm siab - qhov kub thiab txias hloov kho. Hla - cov ntaub ntawv qib siab yuav ua rau kev ua haujlwm tsis zoo lossis kev ua siab ntev tsis txaus. Cov khoom siv kev tshaj lij sib xyaw ua ke nrog kev ua kom zoo tshaj plaws ntawm qhov chaw thiab kev tiv thaiv thermocouple tuaj yeem tsim cov phiaj xwm siab - cov cua kub cua sov rau kev ua haujlwm sib txawv.

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