Hauj lwm lawm

Kev tsis

Zibo Chenyi Advanced Materials Co., Ltd. yog ib qho ntawm cov tuam txhab ua lag luam thiab cov neeg muag khoom ntawm cov tshuaj tiv thaiv kab mob silicon carbide (rbsic) ceramic hauv Suav teb, kuj txhawb kev pabcuam customized. Yog hais tias koj yuav mus yuav CE pom zoo cov tshuaj tiv thaiv bonded silicon carbide (rbsic) ceramic ua nyob rau hauv Suav teb, txais tos kom tau txais cov lus hais los ntawm peb lub hoobkas. Cov khoom zoo thiab tus nqi qis yog muaj.

High Quality Reaction Bonded Silicon Carbide (RBSIC) Ceramic

Reaction Bonded Silicon Carbide (RBSC) yog ib daim ntawv ntawm silicon carbide uas yog tsim los ntawm cov tshuaj tiv thaiv thaum lub sij hawm tsim khoom. Tsis zoo li cov txheej txheem sintering ib txwm, qhov twg ntshiab silicon carbide hmoov yog rhuab ntawm qhov kub thiab txias, cov tshuaj tiv thaiv - cov txheej txheem kev sib txuas siv cov khoom sib xyaw ntawm silicon carbide hmoov thiab cov pa roj carbon monoxide, uas reacts nrog molten silicon thaum lub sij hawm txheej txheem los tsim silicon carbide. This results in a denser, stronger material compared to standard silicon carbide ceramics.

Reaction Bonded Silicon Carbide (RBSIC) Ceramic Manufacturing Txheej txheem

Sib tov cov khoom nyoos: Cov txheej txheem pib nrog kev sib xyaw ntawm silicon carbide hmoov nrog cov pa roj carbon monoxide, feem ntau nyob rau hauv daim ntawv ntawm graphite.

Kev tsim: Cov sib tov yog zoo li tus xav tau, feem ntau yog nias los yog extrusion.

Reaction Bonding: Cov khoom zoo li no tau muab tso rau hauv lub cub tawg ntawm qhov kub siab txaus kom yaj cov silicon tab sis qis txaus kom tsis txhob sintering silicon carbide. Thaum lub sij hawm tus txheej txheem no, silicon reacts nrog cov pa roj carbon thiab cov dawb carbon tam sim no nyob rau hauv sib tov los tsim silicon carbide (SiC), sib txuas cov khoom.

Ua tiav: Tom qab cov tshuaj tiv thaiv kev sib raug zoo, cov khoom yuav tiav los yog machined rau nws qhov kawg qhov ntev.

Cov khoom tseem ceeb ntawm Cov Tshuaj Tiv Thaiv Bonded Silicon Carbide (RBSIC) Ceramic

Siab Hardness: Silicon carbide yog ib qho ntawm cov ntaub ntawv nyuaj tshaj plaws paub, ua RBSC tiv taus hnav, puas, thiab corrosion.

High Thermal conductivity: RBSC muaj cov thermal conductivity zoo heev, uas ua rau nws muaj txiaj ntsig zoo hauv kev siv siab - kub.

Hnav Resistance: Nws lub siab hardness thiab abrasion tsis kam ua rau nws zoo tagnrho rau cov ntawv thov qhov chaw tuaj rau hauv kev sib cuag nrog cov ntaub ntawv abrasive.

Tshuaj tiv thaiv: RBSC tiv taus cov tshuaj feem ntau, nrog rau cov kua qaub thiab alkalis, uas ua rau nws tsim nyog rau kev siv nyob rau hauv ib puag ncig hnyav.

Siab -Qhov kub thiab txias: Silicon carbide khaws nws cov khoom ntawm qhov kub siab, feem ntau mus txog 1400 degree, thiab tuaj yeem siv rau hauv cov ntawv thov uas yuav tsum tau ua kom muaj cua sov.

Yuav ua li casCov tshuaj tiv thaiv Bonded Silicon Carbide (RBSIC) CeramicSiv tau

Cov tshuaj tiv thaiv Bonded Silicon Carbide (RBSIC) Ceramic li cas yog siv nyob rau hauv siab -Temperature Fields

Hnav-Cov Cheebtsam uas tiv taus:

Pumps thiab Valves: RBSC feem ntau yog siv rau hauv kev tsim cov twj tso kua mis thiab cov khoom siv valve, tshwj xeeb tshaj yog nyob rau hauv kev lag luam tshuaj, roj, thiab roj, qhov twg corrosion thiab puas yog qhov kev txhawj xeeb loj.

Mechanical Seals: Siv nyob rau hauv sealing Cheebtsam vim nws hardness thiab tsis kam mus hnav.

Cov kabmob: Siv nyob rau hauv ib puag ncig uas muaj kev hnav thiab tsim kua muag heev, xws li nyob rau hauv siab -kev ua tau zoo mechanical lossis aerospace applications.

Aerospace thiab Automotive:

Nres Discs: Silicon carbide feem ntau yog siv nyob rau hauv siab -kev ua tau zoo nres discs rau cov kev ua si tsheb thiab aerospace daim ntawv thov vim nws ua ke ntawm siab zog, tsis tshua muaj hnyav, thiab siab thermal conductivity.

Turbochargers thiab Exhaust Systems: Siv rau siab -kub tsis kam nyob rau hauv turbochargers thiab tso cua tshuab.

Thermal Management:

Thaum tshav kub kub Exchangers: Vim nws cov thermal conductivity siab, RBSC yog siv nyob rau hauv lub tshav kub exchanger Cheebtsam nyob rau hauv industrial thiab hluav taws xob tsim tshuab.

Kiln Rooj tog: Siv nyob rau hauv kilns thiab furnaces, tshwj xeeb tshaj yog nyob rau hauv high kub thiab hnav tsis kam.

Nuclear Applications:

Nuclear Roj Cladding: Hauv qee lub tshuab hluav taws xob nuclear, RBSC yog siv los ua cov khoom siv cladding rau cov roj nuclear, vim nws muaj peev xwm tiv taus hluav taws xob thiab kub kub.

Kev ua tshuaj lom neeg:

Cov Dej Hiav Txwv: RBSC yog siv rau hauv cov hlab ntsha thiab lwm yam khoom siv koom nrog hauv kev tuav cov tshuaj lom neeg, tshwj xeeb hauv kev ua cov tshuaj corrosive.

Kev tiv thaiv thiab Armor:

Ballistic Armor: RBSC yog siv rau hauv cov khoom siv armor rau cov tsheb tub rog thiab cov iav tiv thaiv tus kheej vim nws qhov nyuaj thiab cuam tshuam.

Reaction Bonded Silicon Carbide (RBSIC) Ceramic Yuav Siv Li Cas Hauv Cov Khaub Ncaws Hnav Ua Haujlwm
Lub siab hardness thiab tsis tshua muaj kev sib txhuam coefficient ntawm SiC muab nws zoo heev hnav tsis kam, ua tshwj xeeb tshaj yog haum rau ntau yam zawv zawg thiab kev sib txhuam hnav. SiC tuaj yeem ua rau ntau yam duab nrog qhov siab qhov tseeb thiab qhov chaw du, ua haujlwm raws li cov khoom siv sib khi hauv ntau qhov chaw xav tau, muaj huab cua nruj thiab lub neej ntev. Tsis tas li ntawd, kev siv cov pa roj carbon monoxide ua ib qho kev pabcuam sintering hauv cov khoom siv -lub xeev tsis muaj zog sintered SiC txhim kho cov khoom siv lubricity, ncua nws txoj sia.

Hauv kev lag luam mining thiab metallurgy, SiC ceramics tuaj yeem siv rau hauv ore crushers, cov khoom siv conveyor, tshuaj ntsuam xyuas cov khoom, txo qhov hnav thiab tu zaus thaum txhawb kev tsim khoom. Hauv kev tsim khoom, SiC ceramics ua cov cuab yeej siv hauv cov cuab yeej siv tshuab thiab cov cuab yeej txiav tuaj yeem txhim kho kev ua haujlwm precision thiab lub neej cuab yeej, txo cov nqi tsim khoom. Hauv cov khoom siv tshuaj lom neeg kev lag luam, SiC ceramics yog tsim rau cov twj tso kua mis, li qub, thiab cov kav dej, tiv thaiv corrosion thiab hnav, ua kom ntev - lub sij hawm ruaj khov ntawm cov khoom siv. Nyob rau hauv lub zog sector, xws li cua thiab hydropower, hnav tsis kam ntawm SiC ceramics ua rau lawv haum rau iav Cheebtsam nyob rau hauv cov cua turbines thiab turbine qhov chaw nyob rau hauv hydropower chaw nres tsheb, muaj peev xwm tiv taus siab - siv kev sib txhuam thiab kev cuam tshuam, ncua kev pab cuam lub neej. Hauv kev rho tawm roj thiab roj, SiC ceramics tuaj yeem siv rau hauv cov khoom siv tho thiab lub twj tso kua mis, txhim kho kev hnav tsis kam thiab ua kom muaj kev ntseeg siab nyob rau hauv siab - hnav ib puag ncig.

Kev sib piv ntawm 95% alumina ceramic thiab cov tshuaj tiv thaiv kev sib raug zoo silicon carbide ceramic

	95% alumina ceramic	Cov tshuaj tiv thaiv sib raug zoo silicon carbide ceramic	Kev txhais lus ntawm kev cuam tshuam rau kev hnav tsis kam
Vickers hardness (Hv)	kwv yees li 1500-1650 kg / mm²	kwv yees li 2500-2800 kg / mm²	Hardness ua haujlwm tseem ceeb tiv thaiv kev hnav. Nrog rau qhov hardness kwv yees li 50% siab dua li cov khoom siv ib txwm siv, RBSiC ua kom pom kev ua haujlwm zoo rau kev nkag mus rau abrasive thiab plowing. RBSiC tawm los ua tus yeej meej.
tawg toughness (K1c)	kwv yees li 3.5-4.0 MPa·m¹/²	kwv yees li 4.0-4.5 MPa·m¹/²	Toughness txiav txim siab ib yam khoom tsis kam mus tawg propagation thiab particle delamination ( qaug zog hnav ). RBSiC qhia tau hais tias muaj kev ua tau zoo dua me ntsis, vim muaj cov nyhuv toughening ntawm cov xim hlau silicon theem. RBSiC thaum kawg yeej yeej.
Modulus ntawm elasticity	Kwv yees li 300-350 GPa	Kwv yees li 380-420 GPa	Qhov siab dua qhov modulus, qhov tsawg dua cov khoom deformation nyob rau hauv kev ntxhov siab, qhov me me ntawm qhov chaw sib cuag, thiab qhov tsis muaj zog ntawm plowing effect. RBSiC yog superior.
ceev	Kwv yees li 3.6-3.7 g / cm³	Kwv yees li 3.05–3.10 g / cm³	RBSiC tivthaiv yog sib dua rau tib lub ntim.
homogeneity ntawm microstructure	Alumina grain thiab iav theem muaj nyob, muaj qhov sib txawv ntawm hardness thiab elastic modulus, yooj yim ua rau hnav tsis sib xws.	SiC pob txha pob txha nrog silicon theem ua kom zoo ib yam SiC raws li theem tseem ceeb, uas ua rau muaj kev coj tus cwj pwm zoo sib xws thiab kwv yees ntau dua.	Lub uniformity ntawm RBSiC ua kom ruaj khov hnav tsis kam ua haujlwm.

FAQ

Q: Yuav ua li cas koj ua silicon carbide ceramic?

A: Ua ntej, muab cov ntxhib silicon carbide, silicon, thiab plasticizers ua ke thiab tom qab ntawd ua kom sov rau lawv. Thib ob, ua qhov sib xyaw ua ke rau hauv cov duab uas xav tau. Hlawv cov ntaub ntawv no thiab teem caij rau kev ua haujlwm ntxiv.

Q: Dab tsi yog silicon carbide siv rau hauv ceramics?

A: Yog - cov khoom ntawm silicon carbide ua rau nws yog nonoxide ceramic zoo tagnrho rau siab -kev siv kub. Raws li feem ntau corrosion- ceramic resistant, nws yog siv nyob rau hauv mechanical seals thiab twj tso kua mis qhov chaw nrog rau forging thiab lwm yam thermally conductive daim ntaub ntawv.

Q: Dab tsi yog cov ntawv thov ntawm SiC ceramic?

A: Siv nyob rau hauv semiconductors, xob laim rods, Circuit Court Cheebtsam, siab - daim ntaub ntawv kub, UV detectors, structural ntaub ntawv, astronomy, disc brakes, clutches, diesel particulate filters, filament pyrometers, ceramics, tej cuab yeej, cua sov ntsiab, nuclear roj, hniav nyiaj hniav kub, hlau, tiv thaiv iav, catalyst.

Q: Puas yog silicon carbide yog ib qho tseem ceeb ntawm cov khoom siv ceramic?

A: Silicon carbide (SiC) yog cov khoom siv dav tshaj plaws uas tsis yog -oxide ceramic. Nws thawj daim ntawv thov yog raws li ib tug abrasive vim hais tias ntawm nws siab hardness, uas yog surpassed xwb pob zeb diamond, cubic boron nitride, thiab boron carbide [87,88].

Q: Dab tsi yog qhov ceev ntawm silicon carbide ceramic?

A: Qhov ceev, Vickers hardness thiab peb - taw tes dabtsi yog khoov lub zog ntawm sintered SiC cov qauv yog 3.11 g / cm3, 19.35 ± 0.28 GPa thiab 225 ± 27 MPa, feem.

Q: Dab tsi yog qhov thermal conductivity ntawm silicon carbide ceramic?

A: Thermal conductivity ntawm SiC ib leeg siv lead ua yog siab li 490 W/m-K ntawm chav tsev kub [44]. Nws siab dua li ntawm Si ib leeg siv lead ua (140 W / m-K), tab sis qis dua lub pob zeb diamond ib leeg (2250 W / m-K) [44].

Q: Dab tsi yog qhov zoo ntawm silicon carbide ceramic?

A: Muaj peev xwm kub dua: Silicon carbide ceramic tuaj yeem ua haujlwm ntawm qhov kub ntau dua li silicon, feem ntau mus txog 400 ° C thiab muaj peev xwm mus txog 800 ° C, tso cai rau cov khoom siv hluav taws xob ntau dua uas tuaj yeem ua haujlwm hnyav yam tsis muaj kev puas tsuaj loj.

Q: Dab tsi yog cov ntaub ntawv raw rau silicon carbide ceramic?

A: Cov txheej txheem Acheson uas yog siv rau kev tsim cov silicon carbide, siv roj av coke thiab quartz ua cov ntaub ntawv tseem ceeb los tsim SiC hauv ntau qhov ntau. SiC yog tsim los ntawm cov txheej txheem carbothermal txo nyob rau hauv lub qhov cub kub (Acheson furnace).

Q: Puas yog silicon carbide ceramic degrade?

A: Ntawm qhov kub thiab txias, silicon carbide tau dhau los ua qhov ua haujlwm oxidation, uas ua rau nws degradation. Passive oxidation yog lub luag hauj lwm rau ob qho tib si tsim cov silica txheej nyob rau saum npoo thiab rau active oxidation rau kev tso tawm ntawm volatile oxides.

Q: Ntev npaum li cas yog silicon carbide ceramic?

A: Silicon carbide (SiC) yog qhov thib peb cov khoom siv nyuaj tshaj plaws tom qab pob zeb diamond thiab boron nitride, uas muab SiC nws cov khoom zoo xws li siab - kub stability, imperviousness rau tshuaj tua kab mob, thiab lom compatibility.

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