Zibo Chenyi Advanced Materials Co., Ltd yog lub tuam txhab high-tech nrog rau kev tshawb fawb, tsim khoom thiab kev lag luam. Peb muaj ib pab neeg tshawb fawb zoo thiab paub txog kev tsim, ntau lawm & fabrication pab neeg, kuj tau tsim muaj kev sib raug zoo nrog kev sib raug zoo nrog kev tshawb fawb cov tsev kawm ntawv thiab cov tsev kawm ntawv ntawm cov tsev kawm ntawv thiab cov tsev kawm ntawv. Peb lub tuam txhab yeej ib txwm ua haujlwm ntawm kev tsim kho thev naus laus zis, tsim khoom tsim & tsim khoom, thiab chaw ua haujlwm rau cov khoom siv tiv thaiv thiab cov khoom siv carbon fiber ntau los muab cov neeg siv khoom nrog cov khoom zoo thiab kev daws teeb meem zoo.
Vim Li Cas Xaiv Peb
Peb lub Hoobkas
Peb muaj tag nrho cov txheej txheem ntau lawm, nrog cov cuab yeej tsim khoom thiab cov khoom siv raw hauv tsev thiab txawv teb chaws los muab cov kev daws teeb meem rau txhua tus neeg siv khoom.
Peb Cov Khoom
Roj hmab ceramic liner, polyurethane ceramic liner, ceramic pulley lagging, ceramic lined yeeb nkab, alumina ceramic khoom, silicon carbide khoom, ZTA khoom thiab lwm yam hnav resistant khoom.
Peb Daim Ntawv Pov Thawj
ISO9001, 3 patents, UDEM, TUV.
Kev Lag Luam Ntau Lawm
Australia, America, Lub teb chaws Yelemees, Nyiv, Kazakhstan, Ltalis, Belgium, UK, Denmark thiab lwm yam kev lag luam.
Khoom siv
Coal-conveying system, thee pulverizing system, plua plav tshem tawm, plua plav pov tseg system thiab ntxhia ua cov txheej txheem.
Peb Qhov Kev Pabcuam
Ntau yam khoom zoo hnav-tiv taus yog muaj rau kev xaiv, qauv tsim thiab kev tsim khoom, kev taw qhia kev tsim kho ntawm qhov chaw. Kev pab cuam tom qab muag zoo heev.
Cov tshuaj tiv thaiv Sintered Silicon Carbide
Silicon carbide ceramic muaj siab hardness, abrasion kuj thiab cuam tshuam tsis kam, kub tsis kam, acid thiab alkali tsis kam, corrosion kuj thiab lwm yam ntxwv. Lub neej ua haujlwm tiag tiag yog 6 npaug ntau dua li polyurethane.
Silicon Carbide Ceramic tau ua pov thawj tias yog cov khoom siv zoo heev rau hnav potection xws li hloov cov ntsiab lus, hauv cov tshuab conveyor, npo zaub mov, zeb tawm chutes, bunker thiab lwm yam.
Silicon Carbide Ceramic tau ua pov thawj los ua cov khoom siv zoo tshaj plaws rau kev hnav potection xws li cov ntsiab lus hloov mus, hauv cov tshuab conveyor, npo zaub mov, zeb tawm chutes, bunker thiab lwm yam.Silicon carbide ceramic muaj siab hardness, abrasion tsis kam thiab cuam tshuam, kub tsis kam, acid thiab alkali tsis kam, corrosion kuj thiab lwm yam ntxwv. Lub neej ua haujlwm tiag tiag yog 6 npaug ntau dua li polyurethane. Tshwj xeeb tshaj yog tsim rau abrasive heev, coarse hais nyob rau hauv kev faib, concentration, lub cev qhuav dej thiab lwm yam kev khiav hauj lwm thiab nws ahs tau ntse thov nyob rau hauv ntau mine.
Qhov zoo ntawm Silicon Carbide Ceramic
Hardness thiab hnav tsis kam
Silicon carbide ceramic muaj qhov hardness siab heev thiab hnav tsis kam, uas feem ntau yog siab dua alumina ceramic. Qhov no txhais tau hais tias cov kav dej silicon carbide tuaj yeem siv tau ntev hauv qhov chaw ua haujlwm hnyav dua, txo qhov zaus ntawm kev tu thiab hloov, txuag nqi thiab sijhawm.
Kub kub kuj
Silicon carbide ceramic muaj qhov kub thiab txias tsis kam thiab tuaj yeem tswj kev ua haujlwm ruaj khov nyob rau hauv qhov kub thiab txias. Nws tiv taus kub ntau dua li alumina ceramics.
Tshuaj stability
Silicon carbide ceramic muaj cov tshuaj lom neeg ruaj khov nyob rau hauv ntau cov tshuaj corrosive, uas ua rau nws muaj txiaj ntsig zoo dua hauv kev lag luam ua lag luam uas tuav cov xov xwm corrosive.
Mechanical zog
Silicon carbide ceramic muaj cov khoom siv zoo heev, suav nrog lub zog siab thiab nruj, thiab tuaj yeem tiv taus siab dua thiab cuam tshuam. Qhov no ua rau cov kav dej silicon carbide ua tau zoo nyob rau hauv kev kub siab lossis cov dej ntws siab, txhim kho kev ntseeg tau thiab ruaj khov ntawm qhov system.
Lub teeb hnyav tsim
Vim tias qhov ntom ntom ntawm silicon carbide ceramics tsis tshua muaj, cov kav dej ntawm tib qhov loj yog sib zog dua li alumina ceramics, uas yog qhov tsim nyog rau kev tsim lub teeb yuag thiab txo qis kev teeb tsa thiab kev thauj mus los.
Yuav ua li cas yog Silicon Carbide Ceramic Applied
Yuav ua li cas yog Silicon Carbide Ceramic Applied nyob rau hauv High-Temperature Teb
Silicon carbide ceramics tuaj yeem siv los ua cov khoom siv kub kub, xws li SiC kab teeb thiab cov raj cua txias. Vim lawv qhov tshwj xeeb kub-kub lub zog thiab thermal poob siab tsis kam, lawv yog cov ntaub ntawv tseem ceeb rau cov khoom hauv foob pob hluav taws, dav hlau, tsheb cav, thiab roj turbines, feem ntau ua haujlwm zoo li qub thermal tshuab qhov chaw. Hauv kev lag luam xws li high-end ceramics txhua hnub, cov khoom siv tu cev, cov khoom siv hluav taws xob siab hluav taws xob, thiab iav, SiC ceramics feem ntau yog xaiv los ua cov khoom kub kub rau cov menyuam kilns, qhov cub, thiab shuttle kilns.
Tsis tas li ntawd, qhov zoo tshaj plaws kub-kub lub zog, siab kub creep tsis kam, thiab thermal poob siab tsis kam ntawm SiC ceramics ua rau lawv cov khoom tseem ceeb rau thermal tshuab qhov chaw hauv foob pob hluav taws, aircraft, tsheb cav, thiab roj turbines. Piv txwv li, AGT100 automotive ceramic gas turbine tsim los ntawm General Motors siv SiC ceramics rau cov khoom kub kub xws li combustion chamber rings, combustion chamber cylinders, guide vanes, and turbine rotors. Txawm hais tias SiC ceramics pom qhov tsis zoo, txwv tsis pub lawv siv rau cov tshuab thermal zoo li qub hauv cov cav lossis cov roj turbines, lawv muab cov kev siv dav hauv cov kev lag luam kub kub thermal xws li cua sov cov ntsiab lus, cov kab hluav taws xob, thiab cov qhov rooj rau qhov cub, txhim kho cov cuab yeej ua haujlwm kub thiab ntev. - lub sij hawm stability.
Hauv kev ua haujlwm ntawm lub zog tshiab, SiC ceramics, raws li cov ntaub ntawv kub kub, yuav tsum ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm thiab kev ntseeg tau. Hauv cov khoom siv hluav taws xob kub kub, SiC ceramics tuaj yeem hloov cov khoom siv hlau ib txwm muaj, txhim kho lub tshuab ua haujlwm zoo, txo qis emissions, thiab ua tiav cov qauv tsim. Nyob rau hauv aerospace, SiC ceramic engine Cheebtsam muaj peev xwm txhim kho lub cav khiav hauj lwm kub, txo qhov hnyav, ncua kev pab cuam lub neej, thiab kev nce qib ntawm cav technology. Hauv cov khoom siv dav hlau, qhov kub siab ruaj khov thiab hluav taws xob tiv thaiv ntawm SiC ceramics yuav txhim khu kev ntseeg tau thiab lub neej ntev ntawm cov cuab yeej tshawb nrhiav chaw.
Hauv kev lag luam automotive, SiC ceramics tuaj yeem hloov cov khoom siv hlau ib txwm siv hauv cov khoom siv hluav taws xob kub, txhim kho lub tshuab ua haujlwm, txo qis emissions, thiab ua tiav cov qauv tsim. Rau kev ua haujlwm siab ntawm lub tsheb nres tsheb, daim ntawv thov ntawm SiC ceramic nres discs cog lus tias kev ua haujlwm braking zoo dua, muaj kev ruaj khov dua, thiab kev pab lub neej ntev dua.
Yuav ua li cas yog Silicon Carbide Ceramic Applied nyob rau hauv Wear Resistance Fields
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 hauv 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 cov khoom ruaj khov mus ntev. 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 high-siv kev sib txhuam thiab cuam tshuam, ncua kev pab cuam lub neej. Hauv cov roj thiab roj rho tawm, SiC ceramics tuaj yeem siv rau hauv cov khoom siv tho thiab cov twj tso kua mis, txhim kho kev hnav tsis kam thiab ua kom muaj kev ntseeg siab hauv qhov chaw hnav siab.
Dab tsi cuam tshuam rau lub zog ntawm Silicon Carbide Ceramics
1. Cov khoom siv raw
Zoo ntawm silicon carbide hmoov:Xws li purity, particle loj tis, particle shape, thiab lwm yam. High-purity silicon carbide hmoov feem ntau yuav tsim ceramics nrog ntau zog. Cov hmoov uas tsis sib xws thiab nplua particle loj faib yog qhov tsim nyog rau sintering densification thiab txhim kho lub zog. Cov hmoov uas muaj cov duab zoo li niaj zaus thiab zoo sphericity yog yooj yim dua rau pawg nruj thaum molding thiab sintering, yog li txhim kho lub zog ntawm ceramics.
Hom thiab cov ntsiab lus ntawm additives: Txhawm rau txhawb kev sintering ntawm silicon carbide ceramics, qee qhov kev pabcuam sintering feem ntau ntxiv. Cov additives sib txawv muaj qhov sib txawv ntawm lub zog. Piv txwv li, qee cov hlau oxide additives tuaj yeem tsim cov theem ua kua thaum lub sij hawm sintering, txhawb cov khoom diffusion thiab grain loj hlob, yog li txhim kho lub zog; tab sis yog tias qhov nyiaj ntxiv ntau dhau lawm, nws yuav ua rau muaj cov seem seem ntau dhau, uas yuav txo tau lub zog.
2. Kev npaj txheej txheem
Txoj kev molding:Cov txheej txheem molding sib txawv yuav cuam tshuam qhov ntom thiab microstructure ntawm ceramics, yog li cuam tshuam rau lub zog. Piv txwv li, kub nias moulding feem ntau tuaj yeem tsim Silicon Carbide Ceramics nrog lub zog siab thiab siab siab, cov lus yog ntau dua zawm kom nruj dua. Qhov ceev ntawm ceramics npaj los ntawm txoj kev xws li zawv zawg txhaj molding yog qhov tsawg, thiab lub zog kuj tseem cuam tshuam rau qee yam.
Sintering kub thiab sijhawm:Sintering kub thiab lub sij hawm muaj ib qho tseem ceeb cuam tshuam rau lub zog ntawm silicon carbide ceramics. Tsim nyog nce qhov kub ntawm sintering tuaj yeem txhawb kev loj hlob ntawm cov qoob loo thiab cov khoom siv diffusion, thiab txhim kho qhov ntom thiab lub zog ntawm ceramics. Txawm li cas los xij, yog tias qhov kub thiab txias dhau lawm, nws yuav ua rau muaj kev loj hlob ntawm cov qoob loo tsis zoo, xws li cov pores, thiab txo lub zog. Sintering lub sij hawm uas ntev dhau los yog luv luv kuj yuav muaj kev cuam tshuam rau lub zog.
Atmosphere tswj:Cov huab cua thaum lub sij hawm sintering tseem cuam tshuam lub zog ntawm silicon carbide ceramics. Sintering nyob rau hauv ib tug inert cua los yog ib tug txo qhov cua yuav zam tau oxidation ntawm silicon carbide, uas yog zoo rau kev txhim kho lub zog. Sintering nyob rau hauv cov huab cua oxidizing yuav ua rau ib tug oxide txheej tsim nyob rau saum npoo ntawm silicon carbide, cuam tshuam rau kev sib txuas ntawm cov khoom thiab txo lub zog.
3. Cov yam ntxwv ntawm microstructural
Grain loj:Feem ntau hais lus, qhov me me ntawm cov nplej, qhov siab dua lub zog ntawm silicon carbide ceramics. Qhov no yog vim cov nplua-grained ceramics muaj ntau qhov ciam teb, uas tuaj yeem cuam tshuam kev nthuav dav ntawm cov kab nrib pleb, yog li txhim kho lub zog. Tsis tas li ntawd, nplua-grained ceramics feem ntau yog denser, uas yog qhov zoo rau kev txhim kho lub zog.
Grain ciam qauv:Cov qauv thiab cov khoom ntawm cov ciam teb muaj qhov tseem ceeb ntawm lub zog ntawm silicon carbide ceramics. Kev cog qoob loo zoo tuaj yeem txhim kho lub zog ntawm ceramics, thaum impurities, pores thiab lwm yam tsis xws luag ntawm cov ciam teb yuav txo tau lub zog. Los ntawm kev tswj cov txheej txheem sintering thiab ntxiv cov khoom tsim nyog, cov qauv ciam teb tuaj yeem txhim kho thiab lub zog ntawm ceramics tuaj yeem txhim kho.
Porosity:Lub xub ntiag ntawm pores yuav txo lub zog ntawm silicon carbide ceramics. Porosity yuav tsis tsuas yog txo qhov zoo ntawm cov kabmob, tab sis kuj dhau los ua qhov kev ntxhov siab ntawm qhov taw tes, uas yooj yim ua rau tawg tawm. Yog li ntawd, txo qhov porosity ntawm ceramics yog ib txoj hauv kev tseem ceeb los txhim kho lub zog.
4. Ib puag ncig ntawm kev siv
Kub:Lub zog ntawm silicon carbide ceramics yuav hloov nrog qhov kub thiab txias. Nyob rau hauv ib qho kev ntsuas kub, lub zog yuav txo qis nrog qhov nce ntawm qhov kub thiab txias. Qhov no yog vim hais tias atomic diffusion yog ceev ceev ntawm qhov kub thiab txias, cov qoob loo ciam teb kev sib raug zoo tsis muaj zog, thiab creep thiab lwm yam tshwm sim yuav tshwm sim, ua rau txo lub zog.
Tshuaj corrosion:Hauv qee qhov chaw corrosive, silicon carbide ceramics yuav raug tshuaj lom neeg, yog li txo lub zog. Piv txwv li, nyob rau hauv muaj zog acid, muaj zog alkali thiab lwm qhov chaw, silicon carbide tej zaum yuav raug tshuaj lom neeg cov tshuaj, ua rau nto corrosion thiab kev puas tsuaj ntawm cov qauv, txo lub zog.
Mechanical stress:Thaum siv, yog tias silicon carbide ceramics raug rau cov neeg kho tshuab ntau dhau, xws li kev cuam tshuam, kev co, thiab lwm yam, cov kab nrib pleb yuav raug tsim thiab nthuav dav, txo lub zog. Tsis tas li ntawd, lub sij hawm ntev cyclic kev nyuaj siab kuj yuav ua rau qaug zog puas tsuaj thiab txo lub zog ntawm ceramics.
Kev siv kom raug
Tsis txhob overload: Thaum siv cov khoom siv silicon carbide ceramic, xyuas kom meej tias lawv ua haujlwm nyob rau hauv cov khoom tsim. Tsis txhob quab yuam ntau dhau, siab lossis kub siab kom tsis txhob tawg lossis puas tsuaj rau cov ceramics.
Tswj kev siv ib puag ncig: Sim kom tsis txhob siv silicon carbide ceramics nyob rau hauv ib puag ncig hnyav, xws li muaj zog acids, muaj zog alkalis, kub thiab av noo. Yog tias tsis tuaj yeem zam tau, kev tiv thaiv tsim nyog tuaj yeem ua tau, xws li txheej, sealing, thiab lwm yam.
Tsis txhob cuam tshuam thiab kev sib tsoo: Txawm hais tias silicon carbide ceramics muaj siab hardness, lawv kuj nkig. Thaum lub sij hawm installation, kev thauj mus los thiab siv, tsis txhob cuam tshuam thiab kev sib tsoo kom tsis txhob tawg ntawm ceramics.
Tsim nyog cia
Kev cia qhuav: Silicon carbide ceramics yuav tsum muab cia rau hauv qhov chaw qhuav kom tsis txhob ya raws. Ib qho chaw ntub dej tuaj yeem ua rau xeb lossis puas tsuaj rau qhov chaw ceramic.
Tsis txhob extrusion: Thaum lub sij hawm cia, silicon carbide ceramic khoom yuav tsum raug zam kom tsis txhob raug nyem. Cov khoom ntim tsim nyog thiab cov txheej txheem khaws cia tuaj yeem siv los xyuas kom meej tias cov duab thiab qhov loj ntawm cov khoom siv ceramic tsis cuam tshuam.
Kev faib tawm thiab kev khaws cia: Ntau hom silicon carbide ceramic khoom yuav tsum muab khaws cia rau hauv pawg kom tsis txhob muaj kev ntxhov siab. Nyob rau tib lub sijhawm, hom, specification thiab hnub tsim khoom ntawm cov khoom siv ceramic yuav tsum raug cim rau kev tswj thiab siv tau yooj yim.
Kev saib xyuas tsis tu ncua
Ntxuav thiab tu: Ntxuav thiab tswj cov khoom siv silicon carbide ceramic tsis tu ncua kom tshem tawm cov av thiab impurities ntawm qhov chaw. Koj tuaj yeem siv cov ntaub ntub dej los yog cov tshuaj ntxuav tes los ntxuav, tab sis tsis txhob siv cov khoom tawv los khawb cov nplais ceramic.
Kev tshuaj xyuas thiab kev saib xyuas: Xyuas cov khoom siv silicon carbide ceramic tsis tu ncua kom pom tias muaj cov kab nrib pleb, tawg lossis xeb. Yog tias pom muaj teeb meem, lawv yuav tsum tau kho lossis hloov lub sijhawm.
Kev tiv thaiv kev kho mob: Rau qee cov khoom siv silicon carbide ceramic uas muaj kev cuam tshuam rau corrosion los yog hnav, kev tiv thaiv tsim nyog xws li txheej thiab electroplating tuaj yeem ua tau. Cov kev tiv thaiv no tuaj yeem txhim kho corrosion kuj thiab hnav tsis kam ntawm cov khoom siv ceramic thiab txuas ntxiv lawv lub neej kev pab cuam.
Silicon Carbide Ceramic Performance
SiC ceramic yog cov khoom siv thev naus laus zis paub txog lawv qhov hnav thiab kev tiv thaiv corrosion, zoo thermal conductivity thiab tsis tshua muaj hluav taws xob conductivity. Cov khoom no ua rau SiC ceramics zoo tagnrho cov khoom siv hauv ntau yam kev lag luam xws li cov hlua khi, cov khoom siv hluav taws xob, cov khoom siv foob, thiab lub tshuab hluav taws xob. Lub aerospace thiab automotive kev lag luam yog tshwj xeeb tshaj yog xav siv SiC ceramic khoom nyob rau hauv lawv cov txheej txheem ntau lawm vim lawv txhim khu kev qha kev ua tau zoo.
Lub cev muaj zog
Silicon carbide (SiC) ceramics muaj qhov ceev ntawm ib ncig ntawm 3.20 g / mm³ thiab paub txog lawv qhov tshwj xeeb hardness thiab lub zog, nrog Mohs hardness ntawm 9.5, Knoop hardness ntawm 2670 thiab 2815 kg / mm, thiab thermal shock resistance uas siab dua. uas yog corundum abrasive cov ntaub ntawv. SiC ceramics kuj khav theeb zoo thermal conductivity thiab qis coefficient ntawm thermal expansion, ua rau lawv zoo tagnrho refractory khoom.
Cov khoom siv tshuaj
Silicon carbide ceramic cov khoom lag luam muaj npe nrov rau lawv cov cua sov ua haujlwm siab, nrog rau lawv lub peev xwm los tiv thaiv cov tshuaj degradation hauv huab cua. Thaum qhov kub thiab txias ntawm 1300 degree thiab saum toj no, ib txheej tiv thaiv ntawm silicon dioxide cov ntaub ntawv nyob rau saum npoo ntawm Silicon carbide crystals, tsim ib tug muaj zog barrier tiv thaiv ntxiv tshuaj tiv thaiv. Cov ceramics tuaj yeem tiv taus cov acidity muaj zog tab sis tsis zoo nyob rau hauv cov xwm txheej alkaline vim tsis muaj silica tiv thaiv.
Cov khoom hluav taws xob
Silicon carbide ceramics yog cov khoom muaj txiaj ntsig zoo rau lawv txoj kev siv ntau yam hauv kev lag luam thiab kev siv thev naus laus zis. Silicon carbide ceramic cov khoom muaj cov khoom zoo nkauj xws li thermal conductivity, hluav taws xob conductivity, tsis tshua muaj thermal expansion, zoo heev kub endurance thiab corrosion kuj. Lawv paub txog lawv qhov kub thiab txias thiab zoo heev mechanical zog ntawm kub kub.
Zoo heev hydrophilicity
Silicon Carbide (SiC) yog cov khoom siv hluav taws xob uas muaj zog heev nrog cov ntawv cog lus muaj zog thiab tsis muaj electronegativity. Nrog nws cov hardness siab, loj elastic modulus, thiab zoo hnav tsis kam, SiC ceramic khoom muaj ntau yam kev siv. Tsis tas li ntawd, nws tus nqi oxidation tsawg vim yog cov txheej txheem tiv thaiv silicon dioxide uas ua rau ntawm qhov chaw thaum oxidation.
Yuav Ua Li Cas Txhim Kho Lub Toughness Ntawm Silicon Carbide Ceramics
Particle toughening
Qhia txog theem ob particles:Ntxiv qee cov khoom hnyav xws li titanium carbide (TiC) thiab boron carbide (B₄C) rau silicon carbide ceramics. Cov khoom no tuaj yeem cuam tshuam kev tawg tawm ntawm cov khoom siv ceramic, yog li txhim kho cov tawv tawv ntawm cov ceramic. Piv txwv li, ntxiv qhov tsim nyog ntawm TiC hais tuaj yeem ua rau cov pob txha toughness ntawm silicon carbide ceramics ntau dua 20%.
Nanoparticle toughening:Nanoparticles muaj cov yam ntxwv ntawm thaj chaw loj tshwj xeeb thiab kev ua haujlwm siab, thiab tuaj yeem tsim nano-scale interfaces hauv ceramic matrix, yog li txhim kho cov tawv tawv ntawm ceramics. Piv txwv li, ntxiv nano silicon carbide hais tuaj yeem ua rau cov pob txha toughness ntawm silicon carbide ceramics ntau dua 30%.
Fiber ntau toughening
Nruam fiber ntau toughening:Ntxiv cov fibers txuas ntxiv xws li carbon fibers thiab silicon carbide fibers rau silicon carbide ceramics. Cov fibers no tuaj yeem tsim cov qauv peb-dimensional network hauv ceramic matrix, uas cuam tshuam kev nthuav dav ntawm cov kab nrib pleb thiab txhim kho cov tawv tawv ntawm ceramics. Piv txwv li, qhov sib ntxiv ntawm carbon fibers tuaj yeem ua rau cov pob txha toughness ntawm silicon carbide ceramics ntau dua 50%.
Short fiber ntau toughening:Cov fibers luv kuj tuaj yeem txhim kho qhov tawv ntawm silicon carbide ceramics rau qee yam. Cov fibers luv luv tuaj yeem txuas cov kab nrib pleb hauv ceramic matrix, yog li ua kom qeeb ntawm kev nthuav dav ntawm cov kab nrib pleb. Piv txwv li, qhov sib ntxiv ntawm chopped carbon fibers tuaj yeem ua rau cov pob txha toughness ntawm silicon carbide ceramics ntau dua 20%.
Phase transformation toughening
Zirconia theem transformation toughening:Zirconia (ZrO₂) ntxiv rau silicon carbide ceramics, thiab martensitic theem transformation ntawm zirconia yog siv los txhim kho lub toughness ntawm ceramics. Thaum cov ceramics raug rau sab nraud quab yuam, zirconia tau hloov pauv theem ntawm tetragonal mus rau theem monoclinic. Cov txheej txheem hloov pauv theem no absorbs lub zog, yog li cuam tshuam kev nthuav dav ntawm cov kab nrib pleb thiab txhim kho cov tawv tawv ntawm ceramics. Piv txwv li, ntxiv qhov tsim nyog ntawm zirconia tuaj yeem ua rau cov pob txha toughness ntawm silicon carbide ceramics ntau dua 30%.
Toughening nrog lwm cov ntaub ntawv hloov theem:Ntxiv nrog rau zirconium oxide, muaj qee qhov lwm cov ntaub ntawv hloov pauv uas tuaj yeem siv los txhim kho lub zog ntawm silicon carbide ceramics, xws li barium titanate (BaTiO₃).
Composite toughening
Particle-fiber composite toughening:Kev sib xyaw cov particle toughening thiab fiber ntau toughening tuaj yeem txhim kho qhov toughness ntawm silicon carbide ceramics. Piv txwv li, ntxiv titanium carbide hais thiab carbon fibers rau silicon carbide ceramics tib lub sij hawm tuaj yeem ua rau cov pob txha tawv tawv ntawm cov ceramics ntau dua 60%.
Multilayer composite toughening:Los ntawm kev npaj multilayer silicon carbide ceramics, cov nyhuv cuam tshuam ntawm cov txheej txheem sib txawv tuaj yeem siv los txhim kho cov tawv nqaij ntawm cov ceramics. Piv txwv li, npaj silicon carbide-zirconia multilayer composite ceramics tuaj yeem ua rau cov pob txha toughness ntawm ceramics ntau dua 40%.
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