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Nov 07, 2024

Yuav Hloov Li Cas Ntawm Nitinol?

Nitinolyog cov hlau hlau ua los ntawm npib tsib xee thiab titanium uas tuaj yeem deformed los ntawm cua sov. Nws yog dav siv hauv kev kho mob, aerospace, hniav nyiaj hniav kub thiab lwm yam lag luam. Yog li vim li cas peb thiaj li tsis tshua tshaj tawm lossis pom cov lus qhia ntxaws ntxaws thiab cov kauj ruam tshwj xeeb rau kev teeb tsa lub cim xeeb xaim hauv Is Taws Nem?

 

Ib qho ntawm cov lus nug uas peb feem ntau tau txais los ntawm cov neeg siv khoom kawg hauv peb txoj haujlwm niaj hnub. Obviously, qhov no yog ib qho nyuaj thiab muaj txiaj ntsig. Yog tias cov kev txwv tshwj xeeb thiab daim ntawv thov cov txheej txheem ntawm cov khoom nws tus kheej tuaj yeem luam tawm thiab ua raws li nruj me ntsis, nws yuav coj cov kev taw qhia zoo thiab pab rau peb cov aerospace, kev lag luam, lub neej, kev kho mob thiab kev lag luam tertiary, vim hais tias ntau tus neeg yuav siv cov duab nco nickel-titanium alloys, thiab nitinol yuav tau txais sai sai los ntawm yuav luag txhua qhov kev lag luam.

 

Txhua yam yuav thim rov qab. Hmoov tsis zoo, vim yog cov ntsiab lus thev naus laus zis ntawm cov khoom siv nitinol, kev hloov pauv thiab nyuaj ntawm martensite thiab austenite, nws yog qhov tsis tshua muaj siab rau qib thiab kev faib tawm ntawm tshav kub thiab lub sijhawm nyob. Tsis tas li ntawd, cov khoom siv nws tus kheej tuaj yeem nthuav tawm ob lub zog. Peb sim thiab txiav txim seb qhov twg ntawm nws cov khoom peb yuav tsum xaiv raws li cov ntawv thov sib txawv thiab cov hom phiaj tsim los tsim peb tus kheej cov qauv. Yog tias peb hloov cov kev kho cua sov, nws yuav ua rau muaj kev hloov loj tshwj xeeb hauv nws cov khoom siv kho tshuab (elasticity). Tab sis tsis muaj cov txheej txheem ntxaws ntxaws rau peb xa mus thiab hla. Nrog rau lub sijhawm thiab cov ntaub ntawv sib sau ua ke, Zhanwo Nitinol Material Team Studio tau kho cov kev kho cua sov los yog txoj kev rau cov khoom raws li cov ntaub ntawv siv. Txwv tsis pub, tej yam uas koj tsis quav ntsej txog thaum lub sijhawm ua, lossis txawm tias zoo li tsis muaj feem cuam tshuam (xws li nce lossis txo cov pwm, hloov cov khoom siv, hloov qhov chaw thiab cov khoom loj, thiab lwm yam) yuav muaj kev cuam tshuam loj heev. ntawm cov khoom ntawm qhov chaw.

 

Hauv cov ntsiab lus, txawm hais tias peb tsis tuaj yeem tshaj tawm txoj kev kho cua sov tshwj xeeb rau Nitinol, peb tuaj yeem tshaj tawm qee cov lus qhia rau koj siv:

 

1. Kev teeb tsa yooj yim


Txhawm rau teeb tsa lub cim xeeb, koj yuav tsum cia cov nickel-titanium alloy ncav cuag qhov kub ntawm 450-500 degree (842-932℉). Yog tias qhov kub siab tshaj 605 degree (1,121 ℉), nws yuav pib poob lub microstructure. Hauv Zhanwo Nitinol Research Laboratory, peb siv qhov kub thiab txias ntawm 450-480 degree (842-896℉). Ua ntej, peb tsim cov duab peb xav tau, ua cov pwm sib xws raws li cov qauv tsim, thiab tom qab ntawd kho cov khoom siv nickel-titanium ntawm cov pwm.

 

2. Kev xaiv cov khoom siv


Lub sijhawm hloov pauv kub ntawm cov khoom siv nickel-titanium yog inversely proportional rau cov ntsiab lus nickel. Cov ntsiab lus nickel txiav txim siab AF qhov kub ntawm cov khoom. Nyob rau hauv lub Zhanwo kuaj, AF kub ntawm lubtshuaj nitrinolcov khoom siv hlau nrog cov ntsiab lus npib tsib xee ntawm 56.1% yog 0 degrees, yog li thov xaiv cov khoom siv raws li qhov kub thiab txias.

 

3. Cov cua kub thiab lub sijhawm


Muab cov pwm nrog cov khoom siv ruaj khov nickel-titanium rau hauv cov khoom siv kho cua sov rau cua sov. Kev cuam tshuam ntawm lub sijhawm cua sov thiab qhov kub ntawm cov khoom siv Peb siv 1.0mm nitinol hlau cov ntaub ntawv raws li cov khoom siv sim los qhia cov ntaub ntawv cuam tshuam raws li qhia hauv qab no rau kev siv:

 

 

Tsis muaj.

Cov ntsiab lus Nickel

Kub kub

Cua sov

Sijhawm

Khoom Khoom

Lus hais

01

56.1%

450 degree

10 feeb

Lub toughness ntawm cov khoom yog ho txhim kho

Qhov ntsuas kub ntawm hom cia li tsau yog qhov tsim nyog tshaj plaws

02

56.1%

480 degree

10 feeb

Martensite pib tshwm sim, uas tuaj yeem cuam tshuam txog kev nco ua haujlwm

Ntev lub sij hawm cua sov yuav ua rau kom AF kub.

 

4. Cov ntsiab lus thiab tsom xam


Rau qhovtshuaj nitrinolcov khoom siv, lub sijhawm kho cua sov peb siv los ntawm 1 feeb mus rau 5 teev. Lub sijhawm kho cua sov luv luv tuaj yeem ua rau cov nplej me me, ua rau muaj kev ua haujlwm zoo dua qub thiab muaj zog dua. Lub sijhawm kho cua sov ntev dua nyob rau hauv qhov kub thiab txias uas cov khoom tuaj yeem tiv taus tuaj yeem cuam tshuam zoo dua cov yam ntxwv ntawm martensite, ua kom cov khoom rhiab heev, txo lub sij hawm cov tshuaj tiv thaiv, thiab ua kom cov theem hloov pauv kub. Yog tias koj xav paub ntau ntxiv txog nitinol nco, thov hu rau 0086-18161909780 lossis amybai2010@zwmet.com txhua lub sijhawm.

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