Zirconium oxide (ZrO₂), tseem hu ua zirconium dioxide, yog ib qho tseem ceeb ntawm cov khoom siv ceramic. Nws yog cov hmoov dawb los yog lub teeb daj nrog lub cev thiab tshuaj lom neeg zoo heev. Zirconia muaj qhov melting point txog 2700 ° C, siab hardness, siab mechanical zog, zoo thermal stability thiab tshuaj stability, thiab muaj peev xwm tiv taus acid thiab alkali corrosion thiab kub ib puag ncig. Tsis tas li ntawd, zirconium oxide muaj lub siab refractive index thiab zoo heev optical zog, yog li nws kuj yog lug siv nyob rau hauv lub kho qhov muag teb.
Hauv kev siv tswv yim, ntshiabzirconium oxidemuaj cov teeb meem hloov theem (kev hloov ntawm monoclinic theem mus rau tetragonal theem yuav ua rau lub ntim hloov thiab cov khoom tawg), yog li feem ntau nws yog tsim nyog los dope stabilizers xws li yttrium oxide (Y₂O₃), calcium oxide (CaO) los yog magnesium oxide (MgO) kom stabilized zirconium oxide (Stabilized nws cov thermal poob siab). Los ntawm cov txheej txheem tsim nyog doping thiab sintering, zirconia cov ntaub ntawv tuaj yeem tsis tsuas yog tswj cov khoom zoo heev, tab sis kuj qhia tau zoo ionic conductivity, uas ua rau nws siv dav hauv cov txheej txheem ceramics, roj hlwb, oxygen sensors, kho mob cog thiab lwm yam.
Ntxiv nrog rau kev siv cov khoom siv ib txwm siv, zirconia kuj tseem ua lub luag haujlwm tseem ceeb hauv kev kho ultra-precision nto, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv high-end polishing. Nrog nws cov khoom tshwj xeeb ntawm lub cev, zirconia tau dhau los ua cov khoom tseem ceeb ntawm kev ua polishing.
Hauv kev polishing,zirconiayog siv los ua high-end polishing hmoov thiab polishing slurry. Vim nws cov hardness nruab nrab (Mohs hardness txog 8.5), siab mechanical zog thiab zoo tshuaj inertness, zirconia muaj peev xwm ua tau tsis tshua muaj nto roughness thaum ua kom lub siab polishing tus nqi, thiab tau ib daim iav-theem tiav. Piv nrog rau cov khoom siv polishing ib txwm muaj xws li txhuas oxide thiab cerium oxide, zirconia tuaj yeem sib npaug ntawm cov khoom tshem tawm thiab qhov chaw zoo thaum lub sij hawm polishing txheej txheem, thiab yog ib qho tseem ceeb polishing nruab nrab nyob rau hauv lub tshav pob ntawm ultra-precision manufacturing.
Zirconia polishing hmoov feem ntau muaj particle loj tswj ntawm 0.05μm thiab 1μm, uas yog tsim rau nto polishing ntawm ntau yam high-precision cov ntaub ntawv. Nws cov ntawv thov tseem ceeb suav nrog: iav kho qhov muag, lub koob yees duab lo ntsiab muag, lub xov tooj ntawm tes screen iav, hard disk substrates, LED sapphire substrates, high-end hlau cov ntaub ntawv (xws li titanium alloys, stainless hlau, precious hlau hniav nyiaj hniav kub) thiab advanced ceramics (xws li alumina ceramics, silicon nitride ceramics, thiab lwm yam). Hauv cov ntawv thov no,zirconium oxidepolishing hmoov tuaj yeem txo qhov tsis zoo ntawm qhov chaw thiab txhim kho qhov muag pom kev thiab kev ruaj ntseg ntawm cov khoom.
Yuav kom ua tau raws li qhov yuav tsum tau muaj ntawm cov txheej txheem polishing sib txawv,zirconium oxidetuaj yeem ua rau hauv ib qho polishing hmoov, los yog nws tuaj yeem sib xyaw nrog lwm cov khoom siv polishing (xws li cerium oxide, aluminium oxide) ua polishing slurry nrog kev ua tau zoo dua. Tsis tas li ntawd, high-purity zirconium oxide polishing slurry feem ntau yog siv nano-dispersion thev naus laus zis los ua kom cov khoom tawg yooj yim hauv cov kua kom tsis txhob muaj kev sib txuam, xyuas kom ruaj ntseg ntawm cov txheej txheem polishing thiab cov uniformity ntawm qhov kawg nto.
Zuag qhia tag nrho, nrog kev txhim kho tas mus li ntawm qhov kev xav tau zoo hauv cov ntaub ntawv siv hluav taws xob, kev tsim kho qhov muag, aerospace thiab high-end kev kho mob teb,zirconium oxide, raws li hom tshiab ntawm cov khoom siv polishing zoo, muaj qhov kev thov dav dav heev. Nyob rau hauv lub neej yav tom ntej, nrog kev txhim kho txuas ntxiv ntawm ultra-precision machining thev naus laus zis, kev siv zirconium oxide hauv polishing teb yuav txuas ntxiv mus ntxiv, pab kom ua tau raws li kev tsim khoom siab dua.