Kevlar Npuag: Cov Textile Tsib Sijhawm Muaj zog dua hlau

Thaum nws los txog rau durability thiab siab zog textiles, muaj ib qho uas sawv saum tus so: Kevlar Fabric. Yog tias koj puas tau xav paub tias dab tsi ua rau lub tsho tiv thaiv mos txwv cov ntaub ntawv pov thawj, dab tsi ua rau cov log tsheb nyuaj, lossis dab tsi hauv koj lub smartphone, cov lus teb feem ntau nyob hauv cov khoom zoo kawg li no. Yog li, cia peb saib seb nws yog dab tsi, nws tau tsim li cas thiab nws piv rau nylon thiab lwm yam ntaub li cas.

Kevlar yog dab tsi?

Xav txog tej yam khoom uas hnyav, tseem muaj zog dua hlau. Qhov ntawd yog Kevlar rau koj! Tsim nyob rau xyoo 1960, Kevlar txoj kev tsim tsis muaj dab tsi luv luv ntawm lub sijhawm eureka. Ameslikas pom raws li kev hloov pauv rau cov hlau hauv cov log tsheb radial, cov ntaub tsis zoo no tau hloov mus rau qhov tseeb game-changer.

Leej Twg Tsim Kevlar

Daim duab no: xyoo 1960, lub sijhawm ntawm kev tsim kho tshiab tshiab thiab kev tshawb pom tshiab. Ntawm lawv, Stephanie Kwolek qhov kev tsim ntawm Kevlar tau tshwm sim los ua qhov zoo kawg nkaus. Ua hauj lwm ntawm DuPont ua ib tug kws tshuaj, Kwolek stumbled raws li ib tug tshwj xeeb polymer tov uas yuav spun rau hauv incredibly muaj zog fibers. Me me puas paub tias qhov kev tshawb pom no yuav hloov pauv kev lag luam xws li aerospace mus rau kev zam!

Kevlar yog dab tsi los ua kom nws muaj zog:

Dab tsi yog daim ntawv qhia zais cia tom qab Kevlar lub zog thiab kev ua haujlwm tau zoo? Nws tag nrho yog nyob rau hauv cov qauv molecular. Kevlar yog tsim los ntawm cov saw ntev ntawm cov molecules txheej txheem hauv cov qauv crystalline. Qhov kev npaj no muab lub zog tshwj xeeb thiab ua haujlwm ntev, ua rau nws tsib zaug muaj zog dua li qhov hnyav ntawm cov hlau. Thiab qhov zoo tshaj plaws? Nws yog lub teeb yuag, ua rau nws yog ib tus neeg sib tw zoo tshaj plaws rau cov ntawv thov uas ob qho tib si lub zog thiab kev hloov pauv yog qhov tseem ceeb.

Sib piv Kevlar vs. Nylon:

Zoo, daim duab no: Kevlar thiab nylon nqis mus rau hauv lub nplhaib rau kev ua yeeb yam zoo nkauj. Hauv ib lub ces kaum, peb muaj Kevlar, paub txog nws lub zog zoo li superhero. Hauv lwm lub ces kaum, nylon, ntau yam hluavtaws ntaub. Thaum nylon tsis muaj slouch, Kevlar siv lub crown thaum nws los txog rau toughness. Ua tsaug rau nws cov qauv tshwj xeeb, Kevlar boasts unmatched tiv thaiv kev txiav, abrasions, thiab cuam tshuam. Nylon tej zaum yuav zoo rau koj cov kev xav tau niaj hnub, tab sis thaum qhov kev mus nyuaj, Kevlar yog MVP tiag.

Dab tsi cov khoom yog tsim nrog Kevlar

Tej zaum koj yuav xav tsis thoob los ntawm cov khoom siv niaj hnub uas tshuav lawv cov kav ntev thiab kev ntseeg siab rau Kevlar. Cov tsho tiv thaiv mos txwv hnav los ntawm tub ceev xwm thiab tub rog? Kevlar tau txais lawv rov qab - lus. Nws zoo li daim ntaub thaiv npog uas tiv thaiv txoj sia. Tab sis tsis yog tag nrho. Kevlar lub zog zoo kawg kuj pom nws txoj hauv kev rau hauv cov khoom siv kis las xws li kev sib tw caij nkoj, hockey sticks, thiab txawm tias nce toj iav, ua kom cov neeg ncaws pob thawb cov kev txwv tsis muaj kev txhawj xeeb txog cov iav tsis ua haujlwm.

Thiab koj puas tau xav tsis thoob li cas koj lub xov tooj smartphone muaj sia nyob cov kev poob qis? Yog, Kevlar muaj ib txhais tes hauv qhov ntawd thiab. Nws feem ntau yog siv los ua cov khoom siv txhawb zog hauv cov xov tooj, muab qhov tsis zoo tiv thaiv kev cuam tshuam thiab kev poob siab. Yog li, lub sijhawm tom ntej koj lub xov tooj yuav tsum poob, koj tuaj yeem ua tsaug Kevlar rau nws txoj kev ua haujlwm.

How KevlarYuavYuav siv tau rau yav tom ntej?

Raws li thev naus laus zis hloov zuj zus, lub peev xwm rau Kevlar yog li ntawd. Xav txog cov vaj tse uas tsis yog tsuas yog muaj zog xwb tab sis kuj hnyav thiab av qeeg-resistant, ua tsaug rau Kevlar-txhim kho pob zeb. Los yog xav txog yav tom ntej qhov chaw tshawb nrhiav kev vam meej, nrog Kevlar-raws li cov ntaub ntawv tiv thaiv astronauts los ntawm micrometeoroids. Cov muaj peev xwm tsis muaj kev txwv li Kevlar lub zog.

Weaving Strength in Fabric of Life

Kevlar tsis yog ntaub xwb; nws yog ib tug tim khawv rau tib neeg ingenuity. Los ntawm nws qhov kev tshawb pom tsis tseeb los ntawm Stephanie Kwolek mus rau nws cov ntawv thov dav dav niaj hnub no, Kevlar tau nthuav nws txoj hauv kev rau hauv cov ntaub ntawm peb lub neej - qee zaum kuj hais tau. Nws yog ib qho khoom siv uas txhawb nqa cov tub ceev xwm, ncaws pob, engineers, thiab tib neeg txhua hnub.

Yog li, lub sijhawm tom ntej koj zip li Kevlar-txhim kho lub tsho, saib ntawm koj cov log tsheb uas tiv taus, lossis xav tsis thoob ntawm qhov tsim zoo nkauj ntawm koj cov khoom siv hluav taws xob, nco ntsoov tias muaj ntau ntau rau cov khoom no dua li qhov muag. Hauv qab ntawm qhov xwm txheej, Kevlar tab tom ua haujlwm rau nws cov khawv koob, ceeb toom peb tias txawm tias nyob hauv lub ntiaj teb uas muaj ntaub npuag, muaj ib qho uas sawv siab, muaj zog, thiab npaj txhij mus ntsib txhua yam kev nyuaj los ntawm nws txoj kev.