Khetho e nepahetseng bakeng sa mecha ea litaba ea ho sila e phahameng - lifaha tsa zirconia le likopo tsa tsona
Lefapheng la ho sila le ho hasana ka mokhoa o phahameng oa ho nepahala, litlhoko tsa ts'ebetso bakeng sa mecha ea phatlalatso ea ho sila li ntse li eketseha. Haholo-holo liindasteri tse kang matla a macha, lisebelisoa tsa elektronike, li-ceramics tse nepahetseng le liphahlo tse phahameng, mecha ea phatlalatso ea setso e ke ke ea hlola e finyella litlhoko tse feletseng tsa ho sila ka mokhoa o hloekileng, ho laola bohloeki le ho ntlafatsa tšebeliso ea matla. Ka nako ena, lifaha tsa zirconia, e le mofuta o mocha oa mecha ea litaba ea ho sila ea ceramic e sebetsang hantle, butle-butle e fetoha sepheo sa tlhokomelo ea 'maraka.
Lifaha tsa zirconia ke eng?
Lifaha tsa Zirconia ke likaroloana tse nyane tse entsoeng ka lisebelisoa tsa zirconia tse tsitsitseng haholo tse nang le matla a phahameng, boima bo phahameng, boima bo phahameng le khanyetso e ntle ea ho apara. Lintho tsa eona tse ka sehloohong tse tala, zirconia, li na le boima bo botle le ho se sebetse ha lik'hemik'hale, tse nolofalletsang lifaha tsa zirconia ho boloka botsitso bo babatsehang le bophelo ba tšebeletso ka matla a matla a matla, ho kuta haholo le mekhoa e phahameng ea viscosity.
Mefuta e tloaelehileng ea lifaha tsa zirconia e kenyelletsa:
Y-TZP e tsitsitse lifaha tsa zirconia: tse entsoeng ka yttrium oxide, tse nang le boima bo phahameng ka ho fetisisa le bo thata, tse loketseng ho sila ha nano-level;
Lifaha tsa zirconia tse kopantsoeng tsa ZTA: tse entsoeng ka motsoako oa alumina le zirconia, tse nang le chelete e ngata;
PSZ e tsitsitse ka mokhoa o itseng oa lifaha tsa zirconia: boima bo botle haholo, bo loketseng matla a maholo a ho sila kapa mekhoa ea mantlha ea ho sila.
Melemo ea ts'ebetso ea lifaha tsa zirconia
Lebaka leo ka lona lifaha tsa zirconia li ka hlahellang har'a mecha e mengata ea ho sila ke ka lebaka la litšobotsi tsa bona tse latelang tsa bohlokoa:
Boima bo phahameng (5.8 ~ 6.2 g/cm³): e tlisa matla a phahameng a ho sila a kinetic le ho ntlafatsa ts'ebetso ea ho sila;
Boima bo phahameng (bothata ba Mohs ≥8): ha ho bonolo ho apara, bo ke ke ba baka tšilafalo ea litšila ho thepa ea ho sila;
Boima bo phahameng: ha ho bonolo ho senya esita le tlas'a tšusumetso e matla, ho netefatsa botsitso ba ho sila;
Sekhahla se tlase sa ho roala: tahlehelo e nyane haholo ea lifaha ka nako ea yuniti, ho lelefatsa bophelo ba ts'ebeletso;
Sebaka se boreleli le sphericity e phahameng: ts'ebetso e bonolo, e fokotsang ho roala ha lisebelisoa le tšebeliso ea matla.
Mefuta e mengata ea lisebelisoa
Lifaha tsa Zirconium oxide li ka sebelisoa haholo lisebelisoa tse fapaneng tsa ho sila tse metsi (joalo ka limilone tsa lehlabathe tse otlolohileng, li-mill tse tsitsitsoeng, li-grinders tsa libaskete, joalo-joalo), mme lits'ebetso tsa tsona tse ikhethileng li kenyelletsa empa ha li felle feela ho:
Lisebelisoa tse ncha tsa matla: ho sila ha lithium iron phosphate, lisebelisoa tsa ternary, li-electrode tse mpe tsa silicon-carbon, joalo-joalo;
Li-ceramics tse sebetsang hantle: tse sebelisetsoang ho ntlafatsa phofo ea aluminium oxide, silicon nitride, silicon carbide, joalo-joalo;
Lisebelisoa tsa lik'hemik'hale tsa elektronike: tse kang ITO conductive glass slurry, MLCC ceramic powder, joalo-joalo;
Li-inks tsa ho roala ka mokhoa o phahameng: ho qhalakanngoa ho homogeneous ha li-inks tsa UV, li-nano coatings, le li-inks tsa elektroniki;
Meriana le lijo: e sebelisetsoa ho sila ha micronization e se nang tšilafalo ho biopharmaceuticals le lijo tse sebetsang hantle.
Kakaretso
E le mokhoa o tsoetseng pele oa ho sila o kopanyang matla a phahameng, bohloeki bo phahameng le botsitso bo phahameng, lifaha tsa zirconia li fetoha lisebelisoa tsa bohlokoa bakeng sa liindasteri tse sa tšoaneng ho ntlafatsa ho nepahala ha phofo, ho tsitsisa mekhoa ea tlhahiso, le ho ntlafatsa mehaho ea litšenyehelo. Ka tsoelo-pele e tsoelang pele ea tlhahiso e nepahetseng le tlhahiso e tala, lifaha tsa zirconia li tla bapala karolo ea bohlokoa ho feta lits'ebetsong tsa nakong e tlang tsa ho sila.