Cov Kev Siv Tshiab ntawm Green Silicon Carbide Micropowder hauv Kev Lag Luam Ceramics
Lao Zhang tau ua haujlwm hauv cov khoom siv av nplaum tau ntau tshaj 30 xyoo. Nws qhov mob taub hau loj tshaj plaws yog qhov txiaj ntsig ntawm cov khoom. Kev tswj qhov kub thiab txias tsis sib xws me ntsis thaum lub sijhawm hlawv lub qhov cub tuaj yeem ua rau muaj kab nrib pleb thiab deformations hauv cov khoom. Nyob rau xyoo tas los no, nws lub Hoobkas tau pib siv cov khoom hu ua "silicon carbide ntsuab micropowderr," thiab tej yam tau hloov pauv ntau heev. "Nws yeej zoo kawg nkaus li," nws hais. "Nws zoo li ntxiv MSG rau hauv ib lub tais - nws ua rau cov saj zoo dua thiab tswj tau qhov sib xws."
Hmoov silicon carbide ntsuab tsuas yog hmoov ntsuab zoo heev uas muaj qhov tawv heev, tiv taus kub siab, thiab cov tshuaj lom neeg ruaj khov heev. Chiv thawj siv rau cov khoom siv abrasives, refractories, thiab semiconductor txiav, tsis muaj leej twg xav tias nws yuav rov qab los hauv kev lag luam ceramics. Txawm li cas los xij, nws tau ua tus thawj coj tshiab hauv kev lag luam ceramics hauv xyoo tas los no.
1. Vim li cas kuv thiaj tsis tau xav txog qhov no ua ntej? — Lub "kev ua haujlwm tseem ceeb" ntawm kev hloov kho micropowder
Cov khoom ua los ntawm av nplaum zoo li yooj yim xwb, tiam sis qhov tseeb lawv yeej nyuaj heev. Cov khoom ua los ntawm av nplaum ib txwm muaj feem yuav ntsws tsis sib npaug thaum lub sij hawm ziab thiab sintering, ua rau tawg. Cov xim pleev kuj feem ntau tawg vim yog cov coefficients thermal expansion tsis sib xws. Qhov sib txawv loj tshaj plaws uas los ntawm kev ntxiv cov hmoov silicon carbide ntsuab yog kev ruaj khov zoo dua.
Vim nws qhov tawv thiab me me, nws cov khoom uas nyob hauv lub cev ua rau cov khoom tsis muaj dab tsi thiab ua rau cov khoom ntom dua. Ib tug kws ua khoom siv tes ua tau hais tias, "Nws zoo li muab cov khoom sib xyaws ua ke ntev dua kaum feeb - nws ua rau nws zom tau yooj yim dua." Ntxiv mus,silicon carbide ntsuab Qhov ua kom sov tau zoo ntawm micropowder ua rau muaj kev faib tawm kub sib npaug hauv lub qhov cub, txo qhov kev pheej hmoo ntawm kev kub dhau lossis tsis kub txaus. Nws zoo li cov ncuav mog qab zib hauv lub qhov cub hluav taws ntoo, uas yav dhau los nyuaj rau tswj. Tam sim no, cov tshuab ua pa niaj hnub muab kev xaiv yooj yim, tab sis zoo.
2. Nws tsis yog tsuas yog ib qho "ua kom muaj zog xwb," tab sis nws kuj yog ib qho "ua kom muaj zog".
Txawm li cas los xij, kev xav tias cov hmoov silicon carbide ntsuab tsuas yog ib qho "tus neeg sawv cev ua kom muaj zog" yuav yog qhov tsis txaus ntseeg. Cov chaw tsim khoom siv ceramic niaj hnub no tsis txwv rau kev tsim cov tais diav, cov tais diav, thiab cov lauj kaub xwb. Cov khoom lag luam zoo xws li cov khoom siv ceramic, cov khoom siv hluav taws xob, thiab cov khoom siv ceramic uas tiv taus kev hnav tau nrov zuj zus, thiab cov hmoov silicon carbide ntsuab tau ua lub luag haujlwm tiag tiag ntawm "tus kws tshaj lij hla ciam teb."
Piv txwv li, cov khoom siv hluav taws xob ceramic xav tau kev ua kom sov siab, kev rwb thaiv tsev siab, thiab kev nthuav dav tsawg; txawm tias qhov sib txawv me ntsis tuaj yeem cuam tshuam rau lub neej ntawm cov khoom. Ntxiv cov hmoov silicon carbide ntsuab kom txaus kuj tseem txhim kho tsis yog lub zog kho tshuab xwb tab sis kuj tseem ua rau muaj kev ua kom sov zoo dua. "Nws zoo li muab lub tsho tiv no tso rau ntawm lub rooj tsavxwm," ib tug engineer piav qhia.
Lwm qhov piv txwv yog cov khoom siv ceramic uas tiv taus kev hnav. Cov ntaub ceramic feem ntau siv rau hauv cov tshuab mining thiab cov khoom siv hluav taws xob thermal. Yav dhau los, alumina ceramics hnav sai thiab xav tau hloov pauv ntau zaus. Kev ntxiv cov hmoov silicon carbide ntsuab ua rau muaj kev nyuaj thiab kev hnav tsis kam ntawm cov khoom siv ceramics, ua rau lawv lub neej ua haujlwm ntev dua 30%.
3. Qhov txawv ntawm "kev ua av" thiab "kev siv tshuab" tsuas yog me ntsis ntawm cov hmoov me me xwb
Tej zaum yuav nyuaj rau xav txog tias cov khoom ua los ntawm av nplaum, uas ib zaug suav tias yog kev lag luam ib txwm muaj ntawm "av nplaum thiab hluav taws," tam sim no maj mam txais yuav cov thev naus laus zis siab. Cov hmoov silicon carbide ntsuab yog ib qho ntawm cov khoom tseem ceeb uas tau hloov cov khoom ua los ntawm av nplaum los ntawm "rustic" mus rau "high-tech."
Piv txwv li, qee lub tuam txhab tam sim no tab tom sim nrog 3D luam ntawv los tsim cov khoom siv ceramic nyuaj. Cov txheej txheem no feem ntau ua tsis tiav vim muaj qhov loj me thaum luam ntawv. Ntxiv cov hmoov silicon carbide ntsuab rau hauv cov av nplaum ceramic txhim kho qhov pwm thiab kev ruaj khov ntawm cov khoom luam tawm, ua rau txawm tias cov khoom siv ceramic zoo tuaj yeem luam tawm tau zoo hauv ib zaug.
Lwm qhov piv txwv yog cov khoom siv lim dej ua los ntawm cov khoom siv ceramic uas tsis ua rau ib puag ncig puas tsuaj. Thaum kho cov dej khib nyiab los yog cov pa tawm hauv cov pa tawm, cov lim dej ua los ntawm cov khoom siv ceramic ib txwm muaj feem yuav txhaws thiab tsis muaj zog. Kev ntxiv cov hmoov silicon carbide ntsuab ua rau cov khoom siv lim dej muaj cov qhov hws sib npaug zoo dua, cov khoom siv kho tshuab zoo dua, thiab kev tiv thaiv tshuaj lom neeg zoo dua, ua rau lawv "muaj zog thiab ruaj khov."
4. Txawm hais tias muaj tej yam nyuaj los xij, txoj kev tom ntej no tseem tab tom mus tom ntej.
Thaumhmoov silicon carbide ntsuabmuaj kev cia siab, nws tsis yog ib qho panacea. Qhov teeb meem loj tshaj plaws tam sim no yog tus nqi. Cov hmoov silicon carbide ntsuab uas muaj purity siab tseem kim heev, ua rau kev siv dav dav nyuaj rau cov tuam txhab tsim cov khoom siv ceramics nruab nrab thiab qis.
Qhov teeb meem thib ob yog kev hloov pauv ntawm cov txheej txheem. Cov qauv ceramic sib txawv thiab cov tshuab tua hluav taws xav tau cov kev cai tshwj xeeb rau qhov loj me ntawm cov khoom me me thiab cov koob tshuaj ntawm cov hmoov me me. Kev vam meej tsis tuaj yeem ua tiav los ntawm "pov nws rau hauv phuam." Nws xav tau kev sim thiab ua yuam kev ntau, thiab txawm tias xav tau kev hloov kho rau cov kab ntau lawm uas twb muaj lawm. "Koj yuav tsum hla tus dej los ntawm kev kov cov pob zeb, tab sis thaum koj ua tiav lawm, txoj kev yuav dav dua," tus thawj tswj hwm tsim khoom hais.
Txawm li cas los xij, ntau thiab ntau lub tuam txhab txaus siab los nqis peev rau kev tshawb fawb thiab kev txhim kho, thiab cov hmoov silicon carbide ntsuab zoo uas tsim tawm hauv tebchaws tau tsim tawm. Cov nqi pheej yig dua, thiab cov thev naus laus zis siv tau loj hlob tuaj.
5. Xaus Lus: Hmoov Me, Yav Tom Ntej Loj
Rov qab saib dua, kev siv cov hmoov silicon carbide ntsuab hauv kev lag luam ceramics yog ib qho piv txwv tshwj xeeb ntawm "kev tsim kho tshiab ntawm cov khoom siv tsav tsheb kev txhim kho kev lag luam." Tsis yog rov tsim dua lub log, nws ua kom zoo dua thiab koom ua ke cov txheej txheem uas twb muaj lawm, ua pa tshiab rau hauv kev ua haujlwm ib txwm muaj.
Raws li ib tug kws tshaj lij hauv kev lag luam tau hais tias, "Cov khoom siv ua los ntawm av nplaum tau hloov zuj zus thiab tseem tsis tau hloov pauv rau ntau txhiab xyoo. Cov av nplaum tseem zoo li qub, hluav taws tseem zoo li qub, tab sis kev ntxiv ib yam dab tsi tshiab ua rau muaj ntau yam tshiab."
Tej zaum kev tsim kho tshiab tiag tiag yog li no: nws tsis tas yuav ua rau lub ntiaj teb puas tsuaj, nws tsuas yog yuav tsum ua kom raug xwb. Cov hmoov silicon carbide ntsuab yog qhov xwm txheej no - nws ntsiag to thiab tsis pom kev tab tom hloov pauv qhov xwm txheej thiab txoj hmoov ntawm cov khoom siv av nplaum.
Cov khoom siv av nplaum yav tom ntej tej zaum yuav sib dua, tawv dua, thiab ntse dua. Thiab "cov phab ej uas tsis pom" zoo li cov hmoov silicon carbide ntsuab tej zaum yuav coj ntau yam xav tsis thoob rau peb.