Raws li kev lag luam txuas ntxiv thawb cov cuab yeej mus rau kev ua haujlwm siab dua, kev ua haujlwm ntev dua, thiab kev ntseeg tau ntau dua, cov khoom siv hlau ua haujlwm tau nce mus txog lawv qhov kev txwv.
Cov ntawv thov xws li kev tsim khoom semiconductor, hluav taws xob tsheb, aerospace, metallurgy, thiab kev kho cua sov hauv kev lag luam feem ntau ua haujlwm nyob rau hauv huab cua kub, thermal cycling ceev ceev, corrosion, thiab tsis tu ncua mechanical loading.
Txawm hais tias tshav kub-cov hlau tsis muaj zog thiab npib tsib xee-raws li superalloys tseem siv dav, lawv tau sib tw ntau dua los ntawm kev tsim khoom niaj hnub no.
Qhov no yog vim li cas silicon nitride (Si₃N₄) tau dhau los ua ib qho sai tshaj plaws -cov ntaub ntawv ceramic loj hlob rau siab -kub engineering.
Vim li cas cov hlau niaj hnub ncav cuag lawv qhov txwv?
Thaum tshav kub kub-cov alloys tiv taus tau ua haujlwm rau kev lag luam rau ntau xyoo lawm, tab sis lawv qhov kev ua tau zoo maj mam poob qis dua nyob rau lub sijhawm ntev ntawm qhov kub siab.
Cov kev txwv ib txwm muaj xws li:
>>Txo cov neeg kho tshuab lub zog ntawm qhov kub thiab txias
>>Thermal expansion uas ua rau muaj kev hloov pauv
>>Oxidation thiab corrosion nyob rau hauv ib puag ncig txhoj puab heev
>>Kev tu kom ntau ntxiv los ntawm kev hnav thiab qaug zog
>>Siab tivthaiv hnyav rau rotating khoom
Raws li cov txheej txheem tsim khoom xav tau ntau dua, engineers tab tom nrhiav cov ntaub ntawv uas muaj qhov ruaj khov thiab kev ua haujlwm ntawm cov khoom siv hauv cov xwm txheej uas cov pa hlau pib degrade.
Silicon nitride muaj lwm txoj hauv kev zoo rau ntau daim ntawv thov no.
Tsib Qhov Zoo Tshaj Plaws ntawm Silicon Nitride Tshaj Siab -Cov Hlau Kub
1. Zoo heev High -Tsub Muaj Zog
Silicon nitride tuav cov khoom siv kho kom zoo ntawm qhov kub thiab txias qhov twg ntau cov hlau engineering pib poob lub zog.
Nws ua ke ntawm kev nyuaj siab, tawg toughness, thiab thermal stability ua rau nws haum rau xav tau ib puag ncig xws li:
>>Muaj cua sov
>>Kev kho cua sov
>>Semiconductor thermal ua khoom siv
>>Aerospace kub-section Cheebtsam
Tsis zoo li ntau cov khoom siv hlau, silicon nitride muaj kev nkag siab tsawg heev nyob rau hauv ntev -lub sij hawm siab - qhov kub thiab txias, pab tswj qhov tseeb qhov ntev ntawm lub sijhawm ua haujlwm ntev.
2. Superior Thermal Shock Resistance
Ib qho ntawm silicon nitride qhov zoo tshaj plaws yog nws cov kev tiv thaiv zoo heev rau kev hloov kub ceev.
Nws cov coefficient qis ntawm thermal expansion tso cai rau cov khoom tiv thaiv rov qab cua sov thiab cua txias nrog qis thermal stress dua li ntau cov hlau los yog npib tsib xee-raws li alloys.
Cov cuab yeej no muaj txiaj ntsig tshwj xeeb hauv cov cuab yeej siv uas tau ntsib ntau zaus pib- nres cycles, suav nrog:
>>Semiconductor diffusion rauv
>>High -cov khoom siv ua haujlwm kub
>>Muaj cua sov tshuab
>>Cov cuab yeej tsim hluav taws xob
Txhim kho thermal shock kuj tseem ua rau lub neej ua haujlwm ntev dua thiab txo tus nqi kho.
3. Zoo tshaj Corrosion thiab Oxidation Resistance
Silicon nitride qhia tau tias muaj kev ruaj ntseg zoo heev hauv ntau qhov chaw ua haujlwm hnyav.
Tsis zoo li cov khoom siv hlau, uas tuaj yeem oxidize los yog raug kev kub ntxhov ntawm qhov kub siab, silicon nitride tswj kev ua haujlwm ruaj khov hauv oxidizing cua thiab ntau yam kev siv tshuaj lom neeg.
Yog li ntawd nws yog dav siv rau cov khoom uas raug rau:
>>Molten non{0}}ferrous hlau
>>High -kub txheej txheem gases
>>Cov khoom siv tshuaj ua haujlwm
>>Muaj cua sov ib puag ncig
Nws cov tshuaj inertness kuj pab txo cov kev pheej hmoo kis kab mob hauv semiconductor thiab photovoltaic manufacturing.
4. Siab hnav tsis kam
Silicon nitride sib xyaw ua ke siab hardness nrog zoo heev tawg toughness, muab zoo heev tiv thaiv abrasion thiab mechanical hnav.
Qhov no ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev txav mus los xws li:
>>Ceramic bearings
>>Mechanical foob rings
>>Valve Cheebtsam
>>Pump qhov chaw
>>Precision qhia systems
Kev tiv thaiv lub neej ntev dua txo cov kev tu ncua sij hawm thaum txhim kho cov khoom siv.
5. Lub teeb thiab hluav taws xob rwb thaiv tsev
Nrog rau qhov ceev ntawm kwv yees li 3.2 g / cm³, silicon nitride hnyav dua li cov cua sov feem ntau - cov hlau tsis muaj zog.
Rau siab -cov cuab yeej tig ceev, qhov hnyav dua txhais tau tias:
>>Txo cov centrifugal loads
>>Tsawg zog siv
>>Txhim kho dynamic kev ua tau zoo
Nyob rau tib lub sijhawm, silicon nitride muab cov hluav taws xob rwb thaiv tsev zoo heev, ua rau nws zoo nkauj tshwj xeeb rau cov khoom siv hluav taws xob hluav taws xob thiab cov khoom siv semiconductor uas yuav tsum muaj kev tswj xyuas thermal thiab hluav taws xob cais tawm.
Hom High -Tsev Daim Ntawv Thov
Ua tsaug rau nws qhov sib xyaw ua ke ntawm cov khoom siv hluav taws xob, thermal, thiab tshuaj lom neeg, silicon nitride tau hloov cov hlau hla ntau qhov kev lag luam.
Cov ntawv thov ib txwm muaj xws li:
Aerospace Components
Silicon nitride yog siv rau bearings, sensor tiv thaiv tubes, combustor Cheebtsam, thiab lwm yam siab -kub yam ntxwv qhov chaw uas txo qhov hnyav thiab thermal stability yog qhov tseem ceeb.
Semiconductor Manufacturing
Lub tshuab nqus tsev chucks, cov khoom siv hauv tsev, cov khoom siv wafer tuav, thiab cov khoom siv rwb thaiv tsev tau txais txiaj ntsig los ntawm silicon nitride qhov ruaj khov thiab cov yam ntxwv tsis muaj paug.
Fais fab Electronics
Silicon nitride AMB substrates tau siv ntau dua hauv SiC thiab IGBT lub zog hluav taws xob vim lawv ua ke zoo heev ntawm thermal conductivity, mechanical zog, thiab hluav taws xob rwb thaiv tsev.
Metallurgy thiab Industrial Furnaces
Qhia rollers, kev txhawb nqa fixtures, molten hlau tuav Cheebtsam, thiab cov khoom siv rau lub cub tawg tau txais txiaj ntsig los ntawm kev txhim kho kev tiv thaiv oxidation, corrosion, thiab thermal cycling.
Cov khoom siv tshuaj ua haujlwm
Lub twj tso kua mis, lub rooj zaum valve, thiab hnav- cov khoom tiv thaiv ua rau lub neej ua haujlwm ntev dua nyob rau hauv ib puag ncig tshuaj lom neeg.
Kev tsim cov kev sib tw ntawm Silicon Nitride Cheebtsam
Txawm hais tias silicon nitride muaj kev ua tau zoo, nws kuj yog ib qho nyuaj tshaj plaws engineering ceramics rau tshuab.
YCLasertshwj xeeb hauv
laser machining kev daws teeb meem rau cov khoom siv ceramic siab heev, suav nrog silicon nitride.
Peb lub tshuab laser ceramic txhawb nqa:
>>Precision laser txiav
>>Laser drilling
>>Profile machining
>>Complex contour ua
>>Daim ntawv cog lus kev pabcuam
Rau cov neeg siv khoom tsim kho siab -kub silicon nitride Cheebtsam, YCLaser kuj muab cov qauv ntsuas thiab cov txheej txheem optimization cov kev pabcuam los txhawb kev tsim qauv thiab tsim khoom.
Nrhiavprecision laser machining kev daws teeb meemrau silicon nitride Cheebtsam?
Hu rau WHYC Laserlos tham txog koj qhov project lossis thov kev ntsuas tus qauv.
