Nitinol bụ ihe nchekwa ebe nchekwa. Alloy ebe nchekwa ihe bụ ihe pụrụ iche nwere ike iweghachi nrụrụ rọba ya ozugbo n'ụdị mbụ ya n'otu ọnọdụ okpomọkụ, ma nwee ezigbo plastik.
Ọnụego mgbasawanye ya dị elu karịa 20%, ndụ ike ọgwụgwụ bụ ihe ruru ugboro 7 nke 1 * 10, njirimara damping bụ ugboro 10 dị elu karịa isi iyi nkịtị, na nguzogide corrosion ya dị mma karịa igwe anaghị agba nchara ọgwụ ugbu a, yabụ ọ nwere ike gboo mkpa dị iche iche. ngwa injinia na ahụike, ọ bụkwa ụdị ihe eji arụ ọrụ nke ọma.
Na mgbakwunye na ọrụ ebe nchekwa ụdị pụrụ iche, alloys ebe nchekwa nwekwara njirimara mara mma dị ka iyi nguzogide, nguzogide corrosion, oke damping na nnukwu elasticity.
(I) Ngbanwe usoro na Njirimara nke nickel-Titanium Alloys
Dị ka aha ahụ na-atụ aro, Ni-Ti alloy bụ ọnụọgụ abụọ nke nwere nickel na titanium, nke nwere usoro nhazi kristal abụọ dị iche iche, austenite na martensite, n'ihi mgbanwe okpomọkụ na nrụgide n'ibu. Usoro mgbanwe mgbanwe nke Ni-Ti alloy mgbe jụrụ oyi bụ usoro nne na nna (agbọ austenite) - akụkụ R - akụkụ martensite. Usoro R bụ rhombic, austenite bụ steeti mgbe okpomọkụ dị elu (dị ukwuu karịa otu: ya bụ, okpomọkụ nke austenite na-amalite), ma ọ bụ de-loaded (mpụga agha wepụ Deactivation), cubic, ike. Ọdịdị ahụ kwụsiri ike karị. Oge martensite dị obere okpomọkụ (ihe na-erughị Mf: ya bụ, okpomọkụ nke njedebe nke martensite) ma ọ bụ ntinye (nke ndị agha mpụga na-arụ ọrụ) mgbe steeti, hexagonal, ductile, na-emegharị ugboro ugboro, na-esighị ike, na-adịkarị mfe nrụrụ.
(B) Njirimara pụrụ iche nke nickel-titanium alloy
1, njirimara ebe nchekwa (ụdị ebe nchekwa)
2. Superelasticity (superelasticity)
3, Sensitivity ka okpomọkụ mgbanwe na ọnụ oghere.
4, nguzogide corrosion:
5, Mgbochi nsi:
6, ike orthodontic dị nro
7, Ezi ujo absorption Njirimara
Oge nzipu: Mar-14-2024