Zirconium oxide (ZrO₂), yomwe imadziwikanso kuti zirconium dioxide, ndi chinthu chofunika kwambiri cha ceramic. Ndi ufa woyera kapena wopepuka wachikasu wokhala ndi thupi labwino komanso mankhwala. Zirconia ili ndi malo osungunuka a 2700 ° C, kuuma kwakukulu, mphamvu zamakina apamwamba, kukhazikika kwabwino kwa kutentha ndi kukhazikika kwa mankhwala, ndipo imatha kupirira chimbiri cha asidi ndi alkali ndi malo otentha kwambiri. Kuphatikiza apo, zirconium oxide ili ndi index yayikulu ya refractive komanso zinthu zabwino kwambiri zowoneka bwino, motero imagwiritsidwanso ntchito kwambiri m'munda wa kuwala.
M'machitidwe othandiza, oyerazirconium oxideali ndi vuto la kusintha kwa gawo (kusintha kuchokera ku gawo la monoclinic kupita ku gawo la tetragonal kumayambitsa kusintha kwa voliyumu ndi kusweka kwa zinthu), kotero nthawi zambiri ndikofunikira kuti dope stabilizers monga yttrium oxide (Y₂O₃), calcium oxide (CaO) kapena magnesium oxide (MgO) kuti apange okhazikika a zirconium oxide (Kukhazikika kwamphamvu kwa Zirconia). Kupyolera mu njira zomveka za doping ndi sintering, zipangizo za zirconia sizingangokhala ndi makina abwino kwambiri, komanso zimasonyeza bwino ma ionic conductivity, zomwe zimapangitsa kuti zigwiritsidwe ntchito muzoumba zamapangidwe, maselo amafuta, masensa a okosijeni, ma implants azachipatala ndi zina.
Kuphatikiza pa ntchito zachikhalidwe zamapangidwe, zirconia imagwiranso ntchito yofunikira kwambiri pazamankhwala apamwamba kwambiri, makamaka pankhani yopukutira kwambiri. Ndi mawonekedwe ake apadera, zirconia zakhala chinthu chofunikira kwambiri pakupukuta molondola.
M'munda wa kupukuta,zirconiaamagwiritsidwa ntchito makamaka ngati ufa wonyezimira wapamwamba kwambiri komanso kupukuta slurry. Chifukwa cha kuuma kwake kocheperako (kuuma kwa Mohs pafupifupi 8.5), kulimba kwamakina apamwamba komanso kusakhazikika bwino kwamankhwala, zirconia imatha kukhala yowuma kwambiri pamtunda ndikuwonetsetsa kupukuta kwakukulu, ndikupeza kutsiriza kwagalasi. Poyerekeza ndi zida zachikhalidwe zopukutira monga aluminium okusayidi ndi cerium oxide, zirconia imatha kuwongolera bwino kuchotsera kwa zinthu ndi mtundu wapamtunda panthawi yopukutira, ndipo ndi njira yofunikira yopukutira m'munda wakupanga kopitilira muyeso.
Zirconia kupukuta ufa zambiri ndi tinthu kukula ankalamulira pakati 0.05μm ndi 1μm, amene ali oyenera pamwamba kupukuta zipangizo zosiyanasiyana mkulu-mwatsatanetsatane. Magawo ake akuluakulu ogwiritsira ntchito ndi awa: galasi la kuwala, magalasi a kamera, galasi la foni yam'manja, magawo a hard disk, magawo a safiro a LED, zipangizo zachitsulo zapamwamba (monga titaniyamu, zitsulo zosapanga dzimbiri, zodzikongoletsera zamtengo wapatali) ndi zipangizo zamakono za ceramic (monga alumina ceramics, silicon nitride ceramics, etc.). M'mapulogalamu awa,zirconium oxideKupukuta ufa kumatha kuchepetsa zolakwika zapamtunda ndikuwongolera magwiridwe antchito komanso kukhazikika kwazinthu zamakina.
Pofuna kukwaniritsa zofunikira za njira zosiyanasiyana zopukuta,zirconium oxideikhoza kupangidwa kukhala ufa umodzi wopukutira, kapena ukhoza kuphatikizidwa ndi zipangizo zina zopukutira (monga cerium oxide, aluminium oxide) kuti apange slurry yopukuta ndi ntchito yabwino. Komanso, mkulu-chiyero zirconium okusayidi kupukuta slurry zambiri utenga nano-kubalalitsidwa luso kupanga particles omwazika kwambiri mu madzi kupewa agglomeration, kuonetsetsa bata la ndondomeko kupukuta ndi yunifolomu padziko chomaliza.
Ponseponse, ndikusintha kosalekeza kwa zofunikira zapamtunda muukadaulo wazidziwitso zamagetsi, kupanga mawonedwe, zakuthambo ndi madera azachipatala apamwamba,zirconium oxide, monga mtundu watsopano wa zinthu mkulu-mwachangu kupukuta, ali ndi chiyembekezo yotakata ntchito. M'tsogolomu, ndi chitukuko chosalekeza cha teknoloji yopangira makina olondola kwambiri, kugwiritsa ntchito luso la zirconium oxide m'munda wopukutira kudzapitirizabe kuzama, ndikuthandizira kukwaniritsa zosowa zopangira zapamwamba.