Zirconia e tsitsitse alumina, e tsejoang hape e le ZTA ke thepa e kopanyang alumina le zirconia. Motsoako ona ke oa sehlopha sa lirafshoa tse bitsoang AZ composite.
Litšobotsi tse Khahlehang tsa ZTA
Zirconia alumina e thata e hlahella ka lebaka la eona, ho thepa ea eona. E fumana tšebeliso ea lisebelisoa tsa ho itšeha le libakeng tse fapaneng tsa bongaka. Matla a phahameng, boimana, elasticity, boima ba 'mele le ho hanyetsa ha likarolo tsa AZ li etsa hore li tšoanelehe haholo, bakeng sa lisebelisoa tsena.
Mechanical Properties ea Zirconia Toughened Alumina
Boleng ba Thepa
Foromo ea lik'hemik'hale Zr-Al2O3
Botenya 4.1-4.38 g/cm3
Ho thatafala 1750-2100 Konopo
Matla a ho hlasimolla 45-49 x 10^6 psi
Matla a Flexure 100-145 ksi
Karolelano ea Pisces 0.26
Ho thatafala ha Fracture 5-7 MPa m^1/2
Coefficient ea Katoloso ea Thermal 8.0-8.1 x 10^ 6 1/C
Thermal Conductivity 20.0-21.0 W/mK
Ho hanyetsana le Tšabo 325 °C
Boholo ba Mocheso oa Mosebetsi 1650 °C
Hlokomela:Thepa eohle e fanoa ka mocheso oa kamore.
Sebopeho sa ZTA
Zirconia e tsitsitse alumina (ZTA) e tsejoa ka matla a eona ha e bapisoa le alumina e hloekileng. Matla ana a tsoa ho phetoho ea lijo-thollo tsa zirconia ha li tlas'a khatello ea kelello.
Khatello e Bakileng Phetoho Toughening
Matla a ZTA a eketseha, ka mokhoa o bitsoang khatello ea kelello e susumelitseng phetoho. Ts'ebetso ena e baka mathata a lebisang ho mapetsong a sebopeho sa zirconium ho lumella likaroloana tsa zirconium ho fetola mekhahlelo le ho tsamaea ka bolokolohi har'a likaroloana tsa alumina..
Phapang pakeng tsa ZTA
ZTA e bonts'a mefuta e mengata ea thepa e e etsang lisebelisoa tsa bohlokoa lits'ebetsong. Indastering e fumana tšebeliso e le lisebelisoa bakeng sa merero e kopanetsoeng ea phetolo le tsosoloso.
ZTA indastering ea bongaka
Li-ZTAs tse phahameng tsa ho apara li etsa hore e be tse loketseng bakeng sa ho hlahisa li-implants tse phahameng tsa ts'ebetso. Matla a eona a ikhethang le ho hanyetsa kutu li e thusa ho mamella meroalo ntle le ho senyeha ho etsa hore e tšoanelehe bakeng sa lits'ebetso tsa ho jara..
ZTA ho Lisebelisoa tsa ho Seha
Ka lebaka la ho tiea ha eona, ZTA e atisa ho sebelisoa ho seha lisebelisoa hammoho le mefuta ea alumina lits'ebetsong tsa ho itšeha..
ZTA ho Likarolo tsa Enjine
likarolo tsa enjene, lintho tsa labware, li-crucible tsa indasteri le li-tubes tsa refractory kaofela li ka etsoa ho sebelisoa ZTA.
ZTA ka sandblasting
Zirconia e tsitsitse alumina, e tsejoang hape e le ZTA e ka sebelisoa lits'ebetsong, joalo ka sandblasting.
E 'ngoe ea melemo ea ZTA ke katleho ea eona ea litšenyehelo. E oela pakeng tsa theko ea Alumina le Zirconium e etsang hore e theko e tlaase ha e bapisoa le thepa.Zirconia toughened alumina e na le thepa e etsang hore e tšoanelehe bakeng sa likopo.. Matla a eona a matlafalitsoeng a ho robeha a etsa hore e tšoanelehe hantle bakeng sa likarolo tse nang le tšusumetso.Molemo o mong oa ZTA ke conductivity ea eona e lumellang ho qhala ha mocheso hantle ho bakoang ke khohlano.. Ho phaella moo, ts'ebetso ea sintering e hlahisa microstructure e ntlafatsang ts'ebetso ea liaparo.. Matla a eona le ho tiea ha eona ho kopantsoe le ho hanyetsa ho khahleha ho hoholo le ho tsamaisa mocheso ho etsa hore e be khetho e nepahetseng masimong ho tloha ho tsa bongaka ho isa ho tsa tlhahiso..