Medical Qib NiTi TubeNiTi Tube

NiTi tube yog dab tsi?

NiTi raj yog hais txog lub raj ua los ntawm Nickel-Titanium alloy, feem ntau hu ua Nitinol. Cov hlau no tseem ceeb rau ob lub zog tseem ceeb: lub cim xeeb zoo thiab superelasticity.

Daim Ntawv Nco: NiTi raj muaj peev xwm rov qab mus rau qhov kev txiav txim siab zoo thaum ua kom sov siab tshaj qhov ntsuas kub. Cov cuab yeej no yog lub npe hu ua lub cim xeeb zoo. Nws muaj txiaj ntsig zoo hauv cov ntawv thov uas cov khoom xav tau hloov pauv hauv cov lus teb rau kev hloov pauv kub lossis rov qab nws daim ntawv qub tom qab deformation.

Superelasticity: Kuj tseem hu ua pseudoelasticity, cov cuab yeej no tso cai rau lub raj NiTi mus rau qhov deformation ntau heev tab sis rov qab mus rau nws qhov qub qub thaum tshem tawm kev ntxhov siab. Qhov no tshwj xeeb tshaj yog muaj txiaj ntsig zoo hauv cov khoom siv kho mob xws li stents thiab orthodontic xov hlau.

Biocompatibility: NiTi hlab yog biocompatible, ua rau lawv haum rau kev kho mob daim ntawv thov, tshwj xeeb tshaj yog cov uas muaj feem xyuam rau cov cog los yog cov cuab yeej uas yog nyob rau hauv kev sib cuag nrog tib neeg lub cev.

Corrosion Resistance: Cov alloy muaj kev tiv thaiv zoo heev rau corrosion, uas yog qhov tseem ceeb rau kev siv mus ntev thiab ua haujlwm ntev, tshwj xeeb tshaj yog nyob rau hauv tib neeg lub cev lossis ib puag ncig hnyav.

NiTi raj yog cov khoom lag luam ntawm cov khoom siv tshawb fawb thiab engineering, muab kev sib xyaw ua ke ntawm cov khoom siv kho tshuab thiab lub cev uas tsis muaj nyob hauv feem ntau lwm cov hlau alloys.

cov khoom specifications

Daim ntawv thov ntawm NiTi tube:

1. Cov Khoom Siv Kho Mob: Siv rau hauv stents, orthodontic wires, thiab cov cuab yeej phais.

2.Aerospace thiab Aviation: Ua haujlwm hauv actuators thiab vibration damping systems.

3.Automotive Kev Lag Luam: Siv nyob rau hauv qhov kub thiab txias actuators thiab connectors.

4.Consumer Electronics: Siv rau hauv cov khoom hloov tau yooj yim rau cov khoom siv nqa tau.

5..Robotics: Siv los ua cov leeg nqaij lossis cov actuators hauv kev siv neeg hlau.

NiTi raj yog tsim los ntawm cov txheej txheem hauv qab no:

Alloying: Cov txheej txheem pib nrog tsim cov NiTi alloy, uas yog ib kauj ruam tseem ceeb. Nickel thiab Titanium, feem ntau nyob rau hauv ze li ntawm qhov sib npaug atomic feem pua, yog ua ke. Qhov tseeb piv txiav txim siab qhov kawg ntawm cov alloy. Qhov no alloying feem ntau yog ua los ntawm lub tshuab nqus tsev induction melting los xyuas kom meej purity thiab homogeneity, raws li tej impurities muaj peev xwm cuam tshuam rau cov alloy qhov kev ua tau zoo.

Casting: Lub molten alloy yog poured rau hauv pwm los ua ingots. Cov kauj ruam no yog qhov tseem ceeb rau kev tsim cov khoom siv yooj yim. Cov cua txias thaum lub sij hawm casting tuaj yeem cuam tshuam rau microstructure ntawm cov hlau.

Primary Forming: Cov ingots tau ua cov txheej txheem ua haujlwm zoo li kub lossis txias ua haujlwm. Qhov no yuav suav nrog forging lossis dov, uas hloov cov ingots mus rau hauv cov ntawv ua haujlwm. Cov txheej txheem xaiv thiab cov xwm txheej raws li nws tau ua (xws li kub thiab deformation tus nqi) yog qhov tseem ceeb rau kev txiav txim siab txog cov khoom kawg.

Tube Drawing: Cov billets yog ces kos los ntawm ib tug series ntawm tuag los txo lawv txoj kab uas hla thiab daim ntawv raj. Cov txheej txheem kev kos lub raj no feem ntau ua tiav hauv ntau theem, nrog rau txhua theem txo cov raj qhov loj ntxiv. Nyob nruab nrab ntawm theem, cov hlab ntsha tuaj yeem raug muab tshem tawm (kub thiab tom qab ntawd txias) txhawm rau txo kev ntxhov siab thiab kho cov khoom siv rau cov kauj ruam tom ntej.

Annealing: Annealing yog txheej txheem tseem ceeb hauv kev teeb tsa lub cim xeeb thiab cov khoom zoo tshaj plaws ntawm NiTi hlab. Cov hlab yog rhuab mus rau ib qho kub thiab txias. Lub annealing kub, lub sij hawm, thiab cua txias npaum li cas yog ua tib zoo tswj kom ua tau raws li qhov xav tau theem qauv thiab txhua yam khoom.

Surface Finishing: Tom qab cov raj ncav cuag lawv qhov loj kawg, lawv tau ua tiav nto. Qhov no tuaj yeem suav nrog kev sib tsoo, polishing, lossis electropolishing. Cov txheej txheem no txhim kho qhov zoo ntawm cov hlab ntsha, tshem tawm qhov tsis zoo thiab ua kom muaj kev sib luag, uas yog qhov tseem ceeb tshwj xeeb rau kev siv kho mob.

Txiav thiab Shaping: Cov hlab yog tom qab ntawd txiav mus rau qhov ntev uas yuav tsum tau ua thiab tej zaum yuav raug kho dua los yog ua tiav. Qhov no yuav cuam tshuam nrog khoov, flaring, lossis lwm yam kev siv tshuab, nyob ntawm daim ntawv thov.

Kev Tswj Xyuas Zoo: Kev tswj xyuas zoo yog qhov tseem ceeb thoob plaws hauv kev tsim khoom. Qhov no suav nrog kev tshuaj xyuas qhov tseeb qhov tseeb, cov khoom muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab qhov zoo ntawm qhov chaw. Rau cov ntawv thov kev kho mob, kom ntseeg tau tias biocompatibility thiab ua tau raws li cov qauv kev lag luam nruj kuj tseem ceeb heev.

Txhua theem hauv kev tsim khoom ntawm NiTi raj yog ua tib zoo tswj thiab saib xyuas. Qhov tseeb nyob rau hauv cov txheej txheem no yog dab tsi imparts NiTi hlab nrog lawv cov khoom tshwj xeeb, ua rau lawv haum rau ntau yam kev siv, tshwj xeeb tshaj yog qhov kev ua tau zoo nyob rau hauv kev xav tau.

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