Tseem Ceeb Dua Lub Txiaj Ntsig: Dab tsi yog siv ntawm cov tshuaj yttrium oxide hmoov?
Lub ntiaj teb tsawg yog ib qho kev pab cuam uas tseem ceeb tshaj plaws, thiab nws muaj lub luag haujlwm IRREplacesle hauv kev lag luam. Cov iav tsheb, kev sib nqus cov sib nqus Nuclear, fiber ntau, ua kua crystal zaub, thiab lwm yam yog qhov sib ntxiv ntawm qhov tsis tshua muaj txiaj ntsig. Ntawm lawv, yttrium (y) yog ib qho tsis tshua muaj ntiaj teb hlau cov khoom thiab yog hom grey hlau. Txawm li cas los xij, vim nws cov ntsiab lus siab hauv lub ntiaj teb ua kaub puab, tus nqi kuj yog siv nyob rau hauv lub xeev yttrium alloy thiab yttrium oxide.
YTTRACE Hlau Hlau Lawv, yttrium oxide (Y2O3) yog qhov tseem ceeb tshaj plaws yttrium compound. Nws yog insoluble nyob rau hauv dej thiab alkali, soluble hauv acid, thiab muaj cov tsos ntawm cov qauv dawb crystalline (cov qauv siv lead ua rau cov ceg ncauj lus). Nws muaj cov tshuaj ruaj khov zoo heev thiab ua rau lub tshuab nqus tsev. Tsis tshua muaj hluav taws xob tsis kam, kev ua deferanced, siab diellected, siab dua (infarages) thiab nws tau raug siv rau hauv ntau thaj teb. Dab tsi yog qhov tshwj xeeb? Wb saib.
Cov qauv siv lead ua ntawm yttrium oxide
01 synthesis ntawm yttrium stabilized zirconia hmoov. Ntu txuas ntxiv yuav tshwm sim thaum lub sij hawm txias ntawm cov neeg kub - → m Theem hloov, nrog lub ntim nthuav dav ntawm kwv yees li 5%. Txawm li cas los xij, yog tias T → M theem hloov ntawm ZO2 yog qhov ua rau muaj kev ntxhov siab rau lub zog Tougness thiab siab hnav tsis kam. kev sib deev.
Yuav kom ua tiav theem hloov pauv kho kom nruj ntawm cov kab ke Nws yog cov txiaj ntsig ruaj khov ntawm stabilizers ntawm zirconia. Y2O3 yog cov feem ntau tshawb fawb zirconium olide stabilizer kom deb li deb. 02 Sintering Aids Sintering ntawm ntau yam tshwj xeeb yuav tsum tau koom nrog kev koom tes ntawm Sintering Aids. Lub luag hauj lwm ntawm Sintering AIDS feem ntau tuaj yeem faib ua cov ntu hauv qab no: Ua cov kev daws teeb meem nrog cov sinter; tiv thaiv cov yees siv crystication; inhibit crystal grain kev loj hlob; tsim cov theem ua kua. Piv txwv li, hauv Sintering ntawm Alumina, magnesium oxide Mgide Mgide yog feem ntau ntxiv ua cov stabilizer thaum lub sijhawm Sintering. Nws tuaj yeem kho cov nplej, ntau ncu ntau dua qhov sib txawv hauv cov qoob loo sib txawv, tsis muaj zog ntawm cov noob loj hlob, thiab ua kom muaj kev sib cav sib ceg. Txij li thaum Mlo yog qhov tsis kub ntawm cov txiaj ntsig kub siab, txhawm rau ua tiav cov txiaj ntsig zoo, yttrium oxide feem ntau sib xyaw nrog Mggo. Y2O3 tuaj yeem kho cov nplej lead ua thiab txhawb Sintering Densification. 03yag hmoov ststice yttrium txhuas garnet (y3al5o12) yog ib tug txiv neej lub ntsej muag, tsis muaj cov kua roj ntsha, tsis muaj cov hmoov av, tsis muaj cov tshuaj lom neeg Piv txwv tau nyob rau hauv binary theem kos duab ntawm yttrium oxide thiab aluminium oxide, ob hmoov oxide, thiab yag hmoov yog tsim los ntawm cov tshuaj tiv thaiv zoo ntawm cov oxides. Nyob rau hauv cov kev mob siab, nyob rau hauv cov kev tshuaj tiv thaiv alumina thiab ytoph oxide, mesophases Yam thiab yap yuav tsim ua ntej, thiab thaum kawg YAG yuav tsim.
Qhov kev kub-roj-theem-theem qauv rau npaj YAG hmoov muaj ntau cov ntawv thov. Piv txwv li, nws txoj kev ua tiav al-o me me thiab cov nyiaj txhiv loj dua. Raws li kev cuam tshuam ntawm cov hluav taws xob, qhov kev ua tau kho qhov muag tau ruaj khov tuaj yeem txhim kho lub ntiaj teb posphor ntawm lub ntiaj teb uas tsis muaj tseeb los ntawm kev ua haujlwm hauv ntiaj teb Ib qho ntxiv, YAG Crystal muaj cov khoom zoo tau zoo, muaj cov tshuaj siv hluav taws xob hnyav thiab tshuaj kho tau zoo, thiab cov khoom siv ua haujlwm zoo, thiab zoo thermal creep kuj. Nws yog cov khoom siv laser, cov khoom siv thiab cov kev ua tau zoo.
YAG Crystal 04 pob tshab Ceramic Yttrium oxide yeej ib txwm tau tshawb fawb txog kev tshawb fawb hauv cov pob tshab ceramics. Nws zwm rau lub cubic crystal system thiab muaj cov asrotropic kho qhov muag ntawm txhua tus axis. Piv nrog anisotropy ntawm pob tshab alumina, cov duab yog tsawg dua distorted, yog li maj, nws tau muaj nuj nqis thiab tsim los ntawm cov iav lo lus siab lossis cov tub rog lub qhov rais. Cov yam ntxwv tseem ceeb ntawm nws lub cev thiab tshuaj lom neeg yog: ①high melting point, tshuaj lom neeg thiab photicalchemical ruaj khov yog qhov zoo, thiab lub qhov muag transparency yog dav (0.23 ~ 8.0μm); ②AT 1050NM, nws cov ntawv sau ua tshiab yog qhov siab npaum li 1.89, uas ua rau nws muaj kev hloov pauv ntawm cov kev hloov pauv ntau dua 80%; ③Y2O3 muaj txaus kom haum raws li cov qhab sib tw ntau tshaj plaws los ntawm kev ua kom muaj txiaj ntsig ntawm lub ntiaj teb uas tsis tshua muaj txiaj ntsig ntawm lub ntiaj teb ④th Phonon lub zog yog tsawg, thiab nws cov suab siab tshaj plaws hu nkauj txiav-tawm cov zaus yog txog 550cm-1. Lub zog phonon tsawg yuav los tswj qhov tshwm sim ntawm kev hloov pauv tsis yog hluav taws xob hloov pauv, thiab txhim kho cov luminescence quatum efficiency; ⑤higho thermal conductivity, kwv yees li ntawm 13.6W / (MEX K. (map k), high thermal conductivity yog tsis muaj heev
Tseem ceeb rau nws ua ib lub zog laser nruab nrab nruab nrab.
YTTRium oxide pob tshab ceramics tsim los ntawm Nyiv Kamishima Cov tuam txhab tshuaj lom neeg
Lub ntsiab lus melting ntawm Y2O3 yog hais txog 2690 ℃, thiab cov sinterging kub ntawm chav tsev kub yog li 1700 ~ 1800 ℃. Txhawm rau ua kom lub teeb-xa cov ceramics, nws yog qhov zoo tshaj plaws los siv cov xovxwm kub thiab sintering. Vim nws cov khoom siv lub cev thiab tshuaj lom neeg zoo nkauj, cov ntsiab muag dav dav, suav nrog: ceramic scintills, tej hub lasers thiab lwm thaj teb
Lub sij hawm ncua: Jul-04-2022