Lesela la letsopa la ZTA (Zirconia Toughened Alumina)ke thepa ea boenjiniere e sebetsang hantle e entsoeng ka ho kenya karolo ea zirconia (ZrO₂) ka har'a matrix ea alumina (Al₂O₃). Sebopeho sena se kopaneng se kopanya ho thatafala ho hoholo ha alumina le litšobotsi tsa ho tiisa phetoho ea mohato tsa zirconia, ka hona se ntlafatsa haholo ho tiea ha ho robeha ha thepa le ho hanyetsa tšusumetso ea mechini. Sebopeho sa eona se tloaelehileng sa microstructure sea tšoana ebile se teteaneng, ka bongata bo boholo ka kakaretso ≥3.95 g/cm³ le ho thatafala ha Rockwell (HRA) ho ka fetang 85. Thepa e hlahisoa ka ts'ebetso e hloekisitsoeng ea phofo, ho hatella ka isostatic, le ho chesa mocheso o phahameng, ho netefatsa botsitso bo botle ba 'mele le ba mechini.
Melemo ea mantlha ea lesela lena e lutse ho hanyetsaneng ha lona ho tsofala le ho se senyehe hantle. Libakeng tse sebetsang tsa indasteri, sekhahla sa ho tsofala ha ZTA ceramic se ka ba tlase ka 30%-50% ho feta sa li-ceramic tse tloaelehileng tsa alumina tse phahameng. Ho hanyetsa ha eona ho tsofala ho rua molemo ho tsoa ho thata e phahameng e hanang ho seha ho khorofo le mokhoa oa ho monya matla oa mapetso a manyane a hlahisoang ke phetoho ea mohato oa zirconia. Ka nako e le 'ngoe, e na le ho se sebetse hantle ha lik'hemik'hale, e hanela khoholeho e tsoang mecheng e mengata ea asiti le alkali (ntle le asiti ea hydrofluoric le li-alkali tse matla tse chesang tse kopaneng). E boloka ts'ebetso e tsitsitseng tlas'a ho pepesehela mocheso o phahameng nako e telele (mocheso o phahameng oa ts'ebeletso ho fihlela ho 850°C) le maemo a thata a ts'ebetso, ka bophelo ba ts'ebeletso bo fetang haholo ba thepa ea setso ea ts'ireletso ea tšepe.
Li-lining tsa ceramic tsa ZTA li sebelisoa haholo liindastering tse nang le ts'enyeho e mpe, ho kenyeletsoa tlhahiso ea motlakase oa mocheso, merafo, tlhahiso ea samente, ho qhibilihisa tšepe le litsamaiso tsa ho sebetsana le thepa. Libaka tse ikhethileng tsa ts'ebeliso li kenyelletsa li-arolator tsa sefefo, li-pipe lègles, li-fen impellers, li-chute, li-hopper le lisebelisoa tse fapaneng tsa ho arola phofo. Mekhoa ea eona ea ho kenya e fapane, joalo ka ho kopanya, ho bolting, kapa ho kenya modular, ho sireletsa likarolo tsa lisebelisoa ka katleho. Sena se fokotsa haholo makhetlo a tlhokomelo ea nako ea ho se sebetse le litšenyehelo tsa tlhahiso tse bakoang ke ts'enyeho, ho ntlafatsa bokhoni ba ts'ebetso ea sistimi le polokeho.
Ka bokhutšoanyane, lesela la alumina la ZTA le fetohile thepa ea bohlokoa ea botekgeniki lefapheng la tšireletso ea ho roala indastering, ka lebaka la moralo oa eona o kopantsoeng o ntlafalitsoeng ka saense le ts'ebetso e ntle e ka netefatsoang. E fana ka tiisetso e tšepahalang bakeng sa ts'ebetso e tsitsitseng ea nako e telele ea lisebelisoa libakeng tse thata tsa ho khohlela, e fanang ka melemo e meholo ea moruo le boleng ba ts'ebeliso. Lipatlisiso tse tsoelang pele ka thepa le ts'ebetso li tla atolosa meeli ea ts'ebetso ea eona le mefuta e fapaneng ea lits'ebetso.
Nako ea poso: Pherekhong-20-2026