Zirconia ceramic (Zirconium Oxide, ko ZrO2), wanda kuma aka sani da "karfe yumbu", haɗe babban taurin, lalacewa da juriyar lalata, da ɗaya daga cikin mafi girman ƙimar tauri tsakanin duk kayan yumbu.

Zirconia maki ne daban-daban. Wintrustek yana ba da nau'ikan zirkoniya iri biyu waɗanda galibi ana buƙata akan kasuwa.

Magnesia-Bayanan-Tattalin Arziki Zirconia (Mg-PSZ)

Yttria-Bayan-Bayyana-Stabilised Zirconia (Y-PSZ)

An bambanta su da juna ta hanyar yanayin da ake amfani da su na ƙarfafawa. Zirconia a cikin mafi kyawun tsari ba shi da kwanciyar hankali. Saboda girman karyewar su da kuma dangi "lasticity", Magnesia-partially-stabilized zirconia (Mg-PSZ) da yttria-partially-stabilized zirconia (Y-PSZ) suna nuna juriya na musamman ga girgiza injiniyoyi da nauyi mai sassauƙa. Waɗannan zirkoniyas guda biyu sune yumbu na zaɓi don aikace-aikacen da ke buƙatar matsanancin ƙarfin injina. Sauran maki a cikin ingantaccen abun da ke ciki sun wanzu kuma galibi ana amfani da su don aikace-aikacen zafin jiki.

Mafi yawan darajar zirconia shine Yttria Partially Stabilized Zirconia (Y-PSZ). Saboda girman haɓakar zafinta da juriya na musamman don yaɗuwar fasa, abu ne mai kyau don haɗawa da karafa kamar ƙarfe.  

Abubuwan Al'ada

Babban yawa

Babban ƙarfin sassauƙa

Ƙarya mai ƙarfi sosai

Kyakkyawan juriya na lalacewa

Low thermal watsin  

Kyakkyawan juriya ga girgizawar thermal

Juriya ga hare-haren sinadarai

Rashin wutar lantarki a babban zafin jiki

Kyakkyawan gamawa cikin sauƙi mai yiwuwa

Aikace-aikace na yau da kullun

Kafofin watsa labaru masu niƙa

Ball bawul da kujerun ball

Milling tukunya

Karfe extrusion ya mutu

Pump plungers da shafts

Makarantun injina

Oxygen firikwensin

walda fil