I-Zirconia iqinisa i-alumina, eyaziwa nangokuthi i-ZTA yinto ehlanganisa i-alumina ne-zirconia. Le nhlanganisela ingeyeqembu lezitsha zobumba ezibizwa nge-AZ composite.
Izimpawu ezihlaba umxhwele ze-ZTA
I-alumina eqinile ye-Zirconia ivelele ngenxa, ezimpahleni zayo. Ithola ukusetshenziswa kumathuluzi okusika izicelo kanye nemikhakha ehlukahlukene yezokwelapha. Amandla aphezulu, ubulukhuni, ukunwebeka, ubulukhuni nokumelana nokugqoka kwezinhlanganisela ze-AZ kubenza bafaneleke kakhulu, zalezi zinhlelo zokusebenza.
Izakhiwo Zemishini ye-Zirconia Toughened Alumina
Impahla Inani
I-Chemical Formula Zr-Al2O3
Ukuminyana 4.1-4.38 g/cm3
Ukuqina 1750-2100 Inkinobho
I-Elasticity 45-49 x 10^6 psi
Amandla e-Flexure 100-145 ksi
Isilinganiso sePisces 0.26
Ukuphuka Kokuqina 5-7 I-MPa m^1/2
I-Coefficient of Thermal Expansion 8.0-8.1 x10^ 6 1/C
I-Thermal Conductivity 20.0-21.0 W/mK
Ukumelana Nokwethuka 325 °C
Izinga Lokushisa Eliphezulu Lokusebenza 1650 °C
Qaphela:Zonke izakhiwo zinikezwa ekamelweni lokushisa.
Isakhiwo se-ZTA
I-Zirconia iqinisa i-alumina (I-ZTA) yaziwa ngamandla ayo uma iqhathaniswa ne-alumina emsulwa. Lawa mandla avela ekuguqulweni kwezinhlamvu ze-zirconia lapho zibhekene nokucindezeleka.
I-Stress Induced Transformation Toughening
Amandla e-ZTA ayanda, ngenqubo ebizwa ngokuthi i-stress induced transformation toughening. Le nqubo idala izinkinga eziholela ekuqhekekeni kwesakhiwo se-zirconium esivumela izinhlayiya ze-zirconium ukuthi zishintshe izigaba futhi zihambe ngokukhululekile phakathi kwezinhlayiya ze-alumina..
Inani eliphakeme kakhulu lama-ZTA
I-ZTA ikhombisa uhla lwezakhiwo okwenza kube into ebalulekile ezinhlelweni zokusebenza. Embonini ithola ukusetshenziswa njengento yokubuyisela ngokuhlanganyela kanye nezinjongo zokuvuselela.
I-ZTA embonini yezokwelapha
I-ZTAs ukumelana nokugqoka okuphezulu kuyenza ilungele ukukhiqiza izimila zokusebenza eziphezulu. Amandla ayo angavamile kanye nokumelana nokugqwala kuyenza ikwazi ukumelana nemithwalo ngaphandle kokuwohloka okuyenza ifanelekele izinhlelo ezithwala umthwalo..
I-ZTA kumathuluzi okusika
Ngenxa yokuqina kwayo i-ZTA ivame ukusetshenziswa ekusikeni amathuluzi eduze kwezinhlobo ze-alumina ezinhlelweni zokusika insimbi..
I-ZTA ku-Engine Components
izingxenye zenjini, izinto ze-labware, crucibles zezimboni kanye refractory amashubhu konke angenziwa kusetshenziswa ZTA.
I-ZTA ku-sandblasting
I-Zirconia iqinisa i-alumina, eyaziwa nangokuthi i-ZTA ingasetshenziswa ezinhlelweni zokusebenza, njenge-sandblasting.
Enye yezinzuzo ze-ZTA ukusebenza kwayo kwezindleko. Iwela phakathi kwenani lentengo ye-Alumina ne-Zirconium okwenza ithengeke kakhulu uma iqhathaniswa nezinto zokwakha.I-alumina eqinile ye-Zirconia inezakhiwo eziyenza ifanelekele ukusetshenziswa.. Ukuqina kwayo okuthuthukisiwe kokuphuka kuyenza ifaneleke kahle izingxenye ezilayishwayo.Enye inzuzo ye-ZTA ukuhamba kwayo okuvumela ukulahlwa kokushisa okuphumelelayo okubangelwa ukungqubuzana.. Ukwengeza inqubo ye-sintering iphumela ku-microstructure ethuthukisa ukusebenza kahle.Ukufingqa i-zirconia eqinile i-alumina iyinto engabizi kakhulu enezakhiwo ezizuzisayo ezimbonini ezahlukahlukene.. Amandla ayo kanye nokuqina kwayo okuhlanganiswe nokumelana nokugqokwa okuhle kakhulu kanye nokuguquguquka kokushisa kuyenza ibe ukukhetha okuhle emikhakheni esukela kwezokwelapha kuye kwezokukhiqiza..