Scientific American piav qhia tias; Yog tias ib lub ntaiv raug tsim ntawm lub ntiaj teb thiab lub hli, tib yam khoom siv uas tuaj yeem hla qhov deb ntev yam tsis raug rub tawm los ntawm nws tus kheej qhov hnyav yog carbon nanotubes.
Cov raj carbon nanotubes yog cov khoom siv quantum ib-seem nrog cov qauv tshwj xeeb. Lawv cov hluav taws xob thiab thermal conductivity feem ntau tuaj yeem ncav cuag 10000 npaug ntawm tooj liab, lawv lub zog tensile yog 100 npaug ntawm hlau, tab sis lawv qhov ceev tsuas yog 1/6 ntawm hlau, thiab lwm yam. Lawv yog ib qho ntawm cov ntaub ntawv siv tau zoo tshaj plaws.
Cov raj carbon nanotubes yog cov raj coaxial circular uas muaj ntau txog kaum ob txheej ntawm cov pa roj carbon atoms uas teeb tsa ua tus qauv hexagonal. Tswj qhov nrug ruaj khov ntawm cov txheej, kwv yees li 0.34 nm, nrog rau txoj kab uas hla feem ntau yog txij li 2 txog 20 nm.
Thermoplastic polyurethane (TPU)yog siv dav hauv cov teb xws li electronics, automotive, thiab tshuaj vim nws lub zog siab, kev ua haujlwm zoo, thiab biocompatibility zoo heev.
Los ntawm kev sib xyaw ua keTPUNrog cov pa roj carbon dub, graphene, lossis carbon nanotubes uas ua rau muaj hluav taws xob, cov ntaub ntawv sib xyaw nrog cov khoom siv hluav taws xob tuaj yeem npaj tau.
Kev siv TPU/carbon nanotube sib xyaw ua ke cov ntaub ntawv hauv kev lag luam aviation
Cov log tsheb dav hlau yog tib qho khoom uas kov tau hauv av thaum lub sijhawm nce thiab tsaws, thiab yeej ib txwm raug suav hais tias yog "lub pov haum loj" ntawm kev lag luam tsim cov log tsheb.
Ntxiv TPU/carbon nanotube sib xyaw cov khoom sib xyaw rau hauv cov roj hmab dav hlau ua rau nws muaj cov txiaj ntsig xws li tiv thaiv hluav taws xob, ua kom muaj cua sov zoo, tiv taus hnav zoo, thiab tiv taus kua muag, txhawm rau txhim kho kev ua haujlwm ntawm lub log tsheb. Qhov no ua rau lub zog hluav taws xob uas lub log tsheb tsim thaum lub sijhawm nce thiab tsaws kom sib npaug mus rau hauv av, tib lub sijhawm ua rau nws yooj yim dua los txuag cov nqi tsim khoom.
Vim yog qhov loj me ntawm cov nanotubes carbon, txawm hais tias lawv tuaj yeem txhim kho ntau yam khoom ntawm roj hmab, kuj tseem muaj ntau yam teeb meem kev siv tshuab hauv kev siv cov nanotubes carbon, xws li kev tawg tsis zoo thiab ya thaum lub sijhawm sib xyaw roj hmab.TPU cov khoom siv hluav taws xobmuaj qhov sib txawv ntawm cov khoom sib xyaw ua ke ntau dua li cov roj carbon fiber polymers dav dav, nrog lub hom phiaj ntawm kev txhim kho cov khoom tiv thaiv hluav taws xob thiab thermal conductivity ntawm kev lag luam roj hmab.
Cov khoom me me TPU carbon nanotube conductive muaj lub zog zoo heev, kev ua kom sov zoo, thiab tsis tshua muaj zog thaum siv rau hauv cov log tsheb. Thaum siv cov khoom me me TPU carbon nanotube conductive hauv cov tsheb tshwj xeeb xws li cov tsheb thauj roj, cov tsheb thauj khoom uas yooj yim hlawv thiab tawg, thiab lwm yam, kev ntxiv cov carbon nanotubes rau cov log tsheb kuj daws qhov teeb meem ntawm kev tso tawm electrostatic hauv cov tsheb nruab nrab mus rau qib siab, ua rau luv luv qhov kev nres tsheb qhuav thiab ntub, txo qhov kev tiv thaiv ntawm lub log tsheb, txo cov suab nrov ntawm lub log tsheb, thiab txhim kho kev ua haujlwm tiv thaiv static.
Daim ntawv thov ntawmCov khoom me me uas ua rau cov pa roj carbon nanotubes ua haujlwm tau zoontawm qhov chaw ntawm cov log tsheb ua tau zoo tau ua pov thawj nws cov txiaj ntsig zoo heev, suav nrog kev hnav tsis kam thiab thermal conductivity, dov tsis kam thiab ruaj khov, zoo anti-static nyhuv, thiab lwm yam. Nws tuaj yeem siv los tsim cov log tsheb ua tau zoo, muaj kev nyab xeeb thiab ib puag ncig zoo, thiab muaj kev cia siab rau kev lag luam dav dav.
Daim ntawv thov ntawm kev sib xyaw cov pa roj carbon nanoparticles nrog cov ntaub ntawv polymer tuaj yeem tau txais cov ntaub ntawv sib xyaw tshiab nrog cov khoom siv zoo heev, kev coj ua zoo, kev tiv thaiv corrosion, thiab kev tiv thaiv electromagnetic. Cov khoom sib xyaw ua ke carbon nanotube polymer raug suav hais tias yog lwm txoj hauv kev rau cov ntaub ntawv ntse ib txwm muaj thiab yuav muaj ntau yam kev siv ntau ntxiv yav tom ntej.
Lub sijhawm tshaj tawm: Lub Yim Hli-28-2025