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Intambo yenkumbulo ye-nickel-titanium

Imikhiqizo Semi-Finished

Intambo yenkumbulo ye-nickel-titanium

Ama-Nitinols asetshenziswa kakhulu kumishini yezokwelapha, i-aerospace, imishini kagesi, nezimboni zezimoto futhi aziwa ngemisebenzi yawo eyingqayizivele nokusebenza okuhle kakhulu. Ingxubevange ye-nickel-titanium, eyaziwa nangokuthi i-memory alloy, idunyiswa njengokuthuthuka kwesayensi yezinto ngenxa yomphumela wayo wenkumbulo kanye nokuqina okukhulu.

Okokuqala, umthelela wenkumbulo wentambo ye-nitinol uzivumela ukuthi zibuyele esimweni esethiwe lapho ishiswa, isici esibaluleke kakhulu kumadivayisi ezokwelapha. Isibonelo, ekusetshenzisweni kwama-stents enhliziyo, ama-stents e-nickel-titanium alloy angacindezelwa emazingeni okushisa aphansi ukuze kube lula ukufakwa emzimbeni, bese ebuyiselwa esimweni sokusekela imithambo yegazi ekushiseni komzimba, okuthuthukisa kakhulu izinga lokuphumelela ukuhlinzwa kanye nesivinini sokululama kwesiguli.

Okwesibili, izakhiwo ze-superelastic ze-nickel-titanium alloy wire ziyenza ikwazi ukululama ngokushesha ngemva kokuguqulwa ngaphandle kokuguquguquka unomphela. Lesi sakhiwo siyenza iqine ngokwedlulele futhi ithembeke ku-aerospace kanye nemishini kagesi. Ikakhulukazi ezindaweni ezidlidlizayo noma ezinomfutho ophezulu, ucingo lwe-NiTi lungamelana nemijikelezo yokucindezeleka ephindaphindwayo ngaphandle kokulahlekelwa izakhiwo zabo zemishini.

Ngaphezu kwalokho, i-Nitinol ine-biocompatibility enhle kanye nokumelana nokugqwala, okwenza ifaneleke ngokukhethekile ukusetshenziswa emkhakheni wezokwelapha. I-Nitinol wire ayikwazi nje ukuthinta izicubu zebhayoloji isikhathi eside ngaphandle kokunqatshwa kodwa futhi igcina ukusebenza okuzinzile ezindaweni ezinomswakama nezigqwalile.

Kafushane, ucingo lwe-Nitinol, olunomphumela omuhle kakhulu wenkumbulo, ukunwebeka okukhulu, ukuqina, kanye nokuvumelana kwe-biocompatibility, sekuyizinqumo ezifanele zezinhlelo zokusebenza ezifunwa kakhulu futhi zikhuthaze ukuthuthukiswa nokuqanjwa kabusha kwezimboni eziningi.

    Umphumela wenkumbulo

    i-hyperelasticity

    I-Nitinol wire ingabuyela ngokushesha esimweni sayo sangempela ngemva kokukhubazeka okukhulu ngaphandle kokuguqulwa okungapheli. Lesi sici sibalulekile ezindaweni zokudlidliza okuphezulu kanye nengcindezi ephezulu. Embonini ye-aerospace, iziphethu ze-Nitinol zisetshenziswa ezingxenyeni ezibucayi ezifana nezinjini nezinhlelo zokulawula ukuze zimelane nemijikelezo yokucindezeleka ephindaphindiwe futhi ziqinisekise ukwethembeka nokuqina kwesistimu yesikhathi eside. Emishinini ye-elekthronikhi, iziphethu ze-nickel-titanium alloy zisetshenziswa kuzixhumi ezinemba okuphezulu kanye nama-switch switch amancane ukuze kunikeze ukuqina okuhlala isikhathi eside okunwebekayo nokuqinisekisa ukusebenza kahle kwemishini.

    I-Biocompatibility kanye nokumelana nokugqwala

    I-biocompatibility ye-Nitinol enhle kakhulu iyenza ibe yinto ekahle yokufakelwa kwezokwelapha. Ngeke kubangele ukwenqatshwa kwamasosha omzimba futhi iqinisekise ukuphepha kokusetshenziswa kwesikhathi eside. I-Nitinol iphinde ikwazi ukugcina izakhiwo zayo zemishini nokuzinza ezindaweni ezinomswakama nezonakalisayo futhi isetshenziswa kabanzi kubunjiniyela basolwandle kanye nemishini yamakhemikhali ukuze kuqinisekiswe ukusebenza okuthembekile ezindaweni ezinokhahlo.

    I-Nickel-titanium alloy spring emikhakheni ehlukene yokusetshenziswa:

    1. Ukuqina kwenhliziyo:
    Ekuhlinzweni kwenhliziyo, i-Nitinol isetshenziselwa ukwenza ama-stents enhliziyo. I-stent ingacindezelwa ibe usayizi omncane emazingeni okushisa aphansi, ivumele ukuthi ifakwe kalula emithanjeni yegazi ngokuhlinzwa okungavamisile kancane. Lapho i-stent ingena emzimbeni womuntu futhi ithintwa izinga lokushisa lomzimba, umphumela wenkumbulo ye-nitinol uyibangela ukuthi ibuyele esimweni sayo eseluliwe esethiwe, ngaleyo ndlela isekele udonga lomkhumbi wegazi futhi igcine umthambo wegazi uvulekile. Uma kuqhathaniswa nama-stents ensimbi endabuko, ama-stents e-nickel-titanium alloy avumelana nezimo futhi angakwazi ukuzivumelanisa kangcono nokunyakaza kwemvelo kwemithambo yegazi futhi anciphise ukuvela kwezinkinga zangemva kokuhlinzwa.

    2. I-Orthodontics:
    I-Nitinol isetshenziswa kabanzi kuma-orthodontics. I-nickel-titanium alloy archwire esetshenziswa ekwelapheni kwe-orthodontic ingase isebenzise umphumela wayo wenkumbulo kanye nezakhiwo ze-super-elastic ukuze ilungise ngokuzenzakalelayo ukwakheka kwayo ngokuvumelana nokushintsha kwezinga lokushisa futhi isebenzise amandla okulungisa aqhubekayo namnene. Le nto ibonisa ukumelana nokugqwala okuhle endaweni yomlomo, futhi ukunwebeka kwayo okuphezulu kwenza iziguli zizizwe zikhululekile, kunciphisa isikhathi sokwelashwa, futhi kuthuthukisa imiphumela yokulungisa.

    3. Ukuhlinzwa kwamehlo :
    I-Nitinol isetshenziselwa ukumiswa kwe-intraocular lens. Ngesikhathi sokuhlinzwa kwe-cataract, idivayisi ingafakwa esweni kusetshenziswa amasu angavamisile kancane. Umthelela wenkumbulo we-nickel-titanium alloy uyivumela ukuthi inwebe ngokuzenzakalelayo futhi ilungise ilensi lapho izinga lokushisa lishintsha, iqinisekise ukuhlinzwa okunembile nokuzinzile. I-biocompatibility yezinto ezibonakalayo iqinisekisa ukuphepha kwayo kwesikhathi eside emehlweni.

    4. Umkhathi:
    Emkhakheni we-aerospace, iziphethu ze-nickel-titanium alloy zisetshenziswa ezingxenyeni ezibalulekile njengezinjini zezindiza nezinhlelo zokulawula. Ngenxa ye-superelasticity ye-Nitinol, lezi ziphethu zingakwazi ukumelana nokudlidliza kwemvamisa ephezulu kanye nokukhubazeka okukhulu kuyilapho zigcina izakhiwo zazo zangempela ngemva kwemijikelezo eminingi yokucindezeleka. Lokhu kwethembeka kuthuthukisa kakhulu impilo yesevisi kanye nokuphepha kwezingxenye zezindiza futhi kunciphisa izindleko zokunakekelwa kanye nesikhathi sokuphumula.

    5. Izinto zikagesi :
    Emishinini ye-elekthronikhi, iziphethu ze-nitinol zisetshenziselwa ukwenza izixhumi ezinembayo nezishintshayo ezincane. Ukunwebeka kwayo okukhulu nokuqina kuqinisekisa ukuthi isixhumi singakwazi ukugcina ukusebenza kokuxhumeka okuzinzile ngaphansi kokuxhuma njalo nokukhipha i-plug kanye nezindawo ezinogesi ophezulu. Ikakhulukazi kuma-smartphones kanye namadivayisi agqokekayo, iziphethu ze-nitinol zinikeza ukusekelwa okuthembekile kwemishini nokuxhumeka kukagesi, okuthuthukisa ukusebenza okuphelele nokuqina kwedivayisi.

    6. Imboni yezimoto :
    Iziphethu ze-Nitinol zisetshenziswa ezinhlelweni zokumiswa kwezimoto nezingxenye zenjini. Ukunwebeka kwayo okuphezulu nokumelana nokukhathala kwenza imoto ikwazi ukumunca ukudlidliza ngesikhathi sokushayela, ithuthukise ukunethezeka kokugibela nokuphepha kokushayela. Ngesikhathi esifanayo, ukumelana nokugqwala kwe-Nitinol kuqinisekisa ukuzinza kwesikhathi eside kwalezi zingxenye ezindaweni ezihlukahlukene ezinokhahlo futhi kwandisa impilo yesevisi yemoto.

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