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Kenyelletso ea Thepa ea Nickel Titanium Alloy

Nitinol ke motsoako oa mohopolo oa sebopeho. Shape memory alloy ke alloy e khethehileng e ka khutlisetsang deformation ea eona ea polasetiki sebopehong sa eona sa mantlha mochesong o itseng, 'me e na le polasetiki e ntle.
Sekhahla sa eona sa ho atoloha se ka holimo ho 20%, bophelo ba mokhathala bo fihla ho makhetlo a 7 ho 1 * 10, litšobotsi tsa damping li phahame ka makhetlo a 10 ho feta liliba tse tloaelehileng, 'me ho hanyetsa ha eona ha kutu ho molemo ho feta tšepe ea hona joale ea meriana e sa hloekang, kahoo e ka finyella litlhoko tsa mefuta e sa tšoaneng. likopo tsa boenjiniere le tsa bongaka, 'me ke mofuta oa lisebelisoa tse sebetsang hantle haholo.
Ntle le ts'ebetso e ikhethang ea memori ea sebopeho, li-alloys tsa memori le tsona li na le litšobotsi tse ntle joalo ka ho hanyetsa ho roala, ho hanyetsa kutu, ho fokotseha ho hoholo le elasticity e kholo.
(I) Phetoho ea Mokhahlelo le Thepa ea Lisebelisoa tsa Nickel-Titanium
Joalo ka ha lebitso le fana ka maikutlo, Ni-Ti alloy ke motsoako oa binary o entsoeng ka nickel le titanium, o nang le mekhahlelo e 'meli e fapaneng ea sebopeho sa kristale, austenite le martensite, ka lebaka la phetoho ea mocheso le khatello ea mochini. Taelo ea phetoho ea mohato oa motsoako oa Ni-Ti ha ho pholile ke karolo ea motsoali (mohato oa austenite) - R phase - martensite phase. Karolo ea R ke rhombic, austenite ke boemo ha mocheso o phahame (o moholo ho feta o tšoanang: ke hore, mocheso oo austenite o qalang ho oona), kapa ho tlosoa (matla a ka ntle a tlosa Deactivation), li-cubic, ka thata. Sebopeho se tsitsitse haholoanyane. Karolo ea martensite e batla e le mocheso o tlase (ka tlase ho Mf: ke hore, mocheso oa bofelo ba martensite) kapa ho kenya (o butsoe ke matla a ka ntle) ha naha, hexagonal, ductile, e pheta-pheta, e sa tsitsang, e atisa ho fetoha.
(B) thepa e khethehileng ea motsoako oa nickel-titanium
1, litšobotsi tsa mohopolo oa sebopeho (memori ea sebopeho)
2, Superelasticity (superelasticity)
3, Kutloelo-bohloko ho phetoho ea mocheso molomong oa molomo.
4. Corrosion resistance:
5, Anti-toxicity:
6, Matla a bonolo a orthodontic
7, Lintho tse ntle tsa ho monya ho ts'oenyeha

Tšepe


Nako ea poso: Mar-14-2024