Zirconium oxide (ZrO₂), i ʻike ʻia ʻo zirconium dioxide, he mea koʻikoʻi kiʻekiʻe. He pauda keʻokeʻo a ʻulaʻula melemele me ka maikaʻi o ke kino a me nā waiwai kemika. ʻO Zirconia kahi helu heheʻe ma kahi o 2700 ° C, paʻakikī kiʻekiʻe, ikaika mechanical kiʻekiʻe, kūpaʻa wela maikaʻi a paʻa kemika, a hiki ke kū i ka waika a me ka alkali corrosion a me nā wahi wela kiʻekiʻe. Eia kekahi, ʻo ka zirconium oxide he kiʻekiʻe refractive index a me nā waiwai optical maikaʻi loa, no laila ua hoʻohana nui ʻia i ka māla optical.
Ma nā hana kūpono, maʻemaʻezirconium oxideloaʻa nā pilikia hoʻololi o ka pae (ʻo ka hoʻololi ʻana mai ka māhele monoclinic i ka pae tetragonal e hoʻololi i ka leo a me ka haki ʻana o nā mea), no laila, pono e hoʻopaʻa i ka dope stabilizers e like me yttrium oxide (Y₂O₃), calcium oxide (CaO) a i ʻole magnesium oxide (MgO) e hoʻopaʻa i ka zirconium oxide (Stabilized Zirconia) e hoʻomaikaʻi ai i kona kūpaʻa mechanical. Ma o nā kaʻina hana doping a me ka sintering kūpono, ʻaʻole hiki i nā mea zirconia ke mālama i nā waiwai mechanical maikaʻi loa, akā hōʻike pū i ka conductivity ionic maikaʻi, e hoʻohana nui ʻia i nā ceramics structural, nā wahie, nā mea ʻike oxygen, nā lāʻau lapaʻau a me nā māla ʻē aʻe.
Ma waho aʻe o nā noi kumu hana kuʻuna, hoʻokani nui ʻo zirconia i ka hana koʻikoʻi i ke kula o ka mālama ʻana i ka ʻili ultra-precision, ʻoi aku hoʻi i ke kahua o nā mea polishing kiʻekiʻe. Me kona mau waiwai kino kū hoʻokahi, ua lilo ka zirconia i mea waiwai nui no ka polishing pololei.
Ma ke kahua o ka poli,zirconiaHoʻohana nui ʻia e like me ka pauka polishing kiʻekiʻe a me ka slurry polishing. Ma muli o kona 'ano pa'akikī (Mohs pa'akikī o kahi o 8.5), ki'eki'e mechanical ikaika a me ka maika'i kemika inertness, zirconia hiki ke hoʻokō haʻahaʻa loa roughness ili oiai e hōʻoia ana i ka kiʻekiʻe polishing rate, a loaʻa i ka aniani-like hoʻopau. Hoʻohālikelike ʻia me nā mea polishing kuʻuna e like me ka alumini oxide a me ka cerium oxide, hiki i ka zirconia ke ʻoi aku ka maikaʻi o ke kaulike ʻana i ka nui o ka lawe ʻana i nā mea a me ka maikaʻi o ka ʻili i ka wā o ke kaʻina polishing, a he mea hoʻoliʻiliʻi koʻikoʻi i ke kahua o ka hana ultra-precision.
ʻO ka zirconia polishing pauka maʻamau ka nui o ka ʻāpana i hoʻomalu ʻia ma waena o 0.05μm a me 1μm, kūpono ia no ka hoʻoliʻiliʻi ʻana i nā ʻano mea kiʻekiʻe. ʻO kāna mau wahi noi nui: ke aniani optical, nā lens kamera, ke aniani kelepona kelepona, nā substrates hard disk, nā substrate sapphire LED, nā mea metala kiʻekiʻe (e like me nā titanium alloys, stainless steel, nā mea metala makamae) a me nā mea hana seramika holomua (e like me nā alumina ceramics, silicon nitride ceramics, etc.). Ma kēia mau noi,zirconium oxidehiki i ka pauka polishing ke hōʻemi pono i nā hemahema o ka ʻili a hoʻomaikaʻi i ka hana optical a me ka paʻa mechanical o nā huahana.
I mea e hoʻokō ai i nā koi o nā kaʻina polishing like ʻole,zirconium oxidehiki ke hana ʻia i hoʻokahi pauka polishing, a i ʻole hiki ke hoʻohui ʻia me nā mea polishing ʻē aʻe (e like me ka cerium oxide, alumini oxide) e hana i kahi slurry polishing me ka hana ʻoi aku ka maikaʻi. Eia kekahi, hoʻohana pinepine ka zirconium oxide polishing slurry i ka ʻenehana nano-dispersion e hoʻopuehu nui i nā ʻāpana i loko o ka wai e pale aku ai i ka agglomeration, e hōʻoia i ka paʻa o ke kaʻina polishing a me ka kūlike o ka ʻili hope.
ʻO ka holoʻokoʻa, me ka hoʻomau mau ʻana o nā koi o ka ʻili i ka ʻenehana ʻike uila, ka hana optical, aerospace a me nā kahua olakino kiʻekiʻe,zirconium oxide, ma ke ʻano he ʻano hou o nā mea hoʻoliʻiliʻi kiʻekiʻe, loaʻa kahi manaʻo noi ākea loa. I ka wā e hiki mai ana, me ka hoʻomau mau ʻana o ka ʻenehana mīkini ʻenehana ultra-precision, e hoʻomau ka hoʻomohala ʻana o ka noi ʻenehana o ka zirconium oxide i ke kahua polishing, e kōkua ana i ka hoʻokō ʻana i nā pono hana kiʻekiʻe.