I-Aluminium oxide iyifomula yamakhemikhali ye-alumina, into eyenziwe nge-aluminium nomoya-mpilo. Ibizwa kahle ngokuthi i-aluminium oxide futhi ivame ukwenzeka kwamanye ama-aluminium oxides. Ngaphezu kokwaziwa ngokuthi i-alumina, ingase futhi ihambe ngamagama i-aloxide, i-aloxite, noma i-alundum, kuye ngohlobo nokusetshenziswa kwayo. Lesi sihloko sigxile ekusetshenzisweni kwe-alumina emkhakheni we-ceramic.

Izikhali

Ezinye izikhali zomzimba zisebenzisa amapuleti e-alumina ceramic, ngokuvamile ahambisana ne-aramid noma i-UHMWPE esekelwe, ukuze zithole ukusebenza kahle ngokumelene nezinsongo eziningi zezibhamu. Nokho, akubhekwa njengekhwalithi yezempi. Ukwengeza, kusiza ukuqinisa ingilazi ye-alumina ngokumelene nomthelela wezinhlamvu ze-BMG ezingu-.50.

Izicelo ze-Biomedical

Umkhakha we-biomedical usebenzisa kakhulu izitsha zobumba ze-alumina ngenxa yokufaneleka kwazo okuphezulu kwe-biocompatibility nokuqina ngokumelene nokuguga nokugqwala. I-alumina ceramic isebenza njengempahla yokufakelwa kwamazinyo, ukushintshwa okuhlanganyelwe, kanye neminye imishini yezokwelapha.

I-Abrasive

Izinto eziningi eziabrasive zezimboni zivamise ukusebenzisa i-alumina ngenxa yamandla ayo angavamile nobulukhuni. Esikalini se-Mohs sokuqina kwamaminerali, isimo sayo esivele ngokwemvelo, i-corundum, ikala u-9—ngaphansi nje kwedayimane. Ngokufanayo namadayimane, umuntu angakwazi ukumboza i-alumina ukuze avimbele ukuhuzuka. Abenzi bewashi nabakhi bamawashi basebenzisa i-Diamantine, ngendlela yayo eyimpuphu (emhlophe) emsulwa, njengesithako esicwebezelayo esisezingeni eliphezulu.

I-insulating

I-Alumina iyisivikelo esihle kakhulu, esiyenza ifanelekele ukusetshenziswa ezindaweni ezishisa kakhulu nezinogesi ophezulu. Isetshenziswa njenge-substrate (i-silicon kusafire) kanye nesivimbelo somhubhe kumasekethe ahlanganisiwe ukuze kwenziwe amadivaysi e-superconducting njengama-single-electron transistors, ama-superconducting quantum interference devices (SQUIDs), kanye nama-superconducting qubits.

Ukugaya

Umkhakha we-ceramics nawo usebenzisa i-alumina njengendawo yokugaya. I-Alumina iyimpahla ephelele ongayisebenzisa ekugayeni ngenxa yokuqina kwayo nokumelana nokugqoka. Izigayo zamabhola, izigayo ezidlidlizayo, neminye imishini yokugaya isebenzisa i-alumina njengendawo yokugaya.

Isiphetho

Yize i-alumina yaziwa ngokuyinhloko ngokusetshenziswa kwayo ekukhiqizeni i-aluminium, iphinde ibe nokubaluleka okubalulekile emikhakheni eminingi yobumba. Kuyimpahla efanelekile yalezi zinhlelo zokusebenza ngenxa yendawo yayo ephezulu yokuncibilika, izakhiwo ezishisayo nemishini, izakhiwo zokuvikela, ukumelana nokugqoka, kanye ne-biocompatibility.