Kevlar yog cov yas tsim, thiab nws tau ua los ntawm cov tshuaj lom neeg hu ua poly-para-phenylene terephthalamide. Cov tshuaj no yog tsim los ntawm kev tsim cov tshuaj tiv thaiv ntawm cov kua qaub thiab tshuaj lom neeg uas muaj nitrogen thiab hydrogen.
Kevlar nres lub mos txwv li cas?
Kevlar tuaj yeem nres mos txwv vim nws cov qauv molecular. Nws yog lub teeb, polyarylamide yas ntaub, uas muaj lub zog tensile siab. … Thaum ib lub mos txwv tsoo lub tsho khuam, nws sim yuam kom nws hla cov khaubncaws sab nraud povtseg, tab sis ua li no nws yuav tsum thawb cov fibers sib nrug. Cov fibers yog woven thiab tiv no zoo heev.
Puas muaj hlau hauv Kevlar?
Cov qauv tshuaj ntawm Kevlar® yog suav nrog ntau qhov sib txuas sib txuas sib txuas. Cov chains no yog cross-linked nrog hydrogen bonds, muab lub zog tensile 10X ntau dua cov hlau ntawm qhov sib npaug ntawm qhov hnyav. Kevlar® fibers nruj nreem spun tias ze li ntawm ua tsis taucais lawv.
Kevlar puas tuaj yeem nres riam?
Kevlar® yog siv rau hauv ob lub tsho tiv thaiv mos txwv thiab cov tsho pov thawj pov thawj. … Lub ntug ntse ntawm rab riam yog tom qab ntawd tsis tuaj yeem nkag mus rau hauv lub cevvim nws raug ntes hauv Kevlar® weaving. Txawm hais tias qhov kev txiav txim siab yuav ua rau lub tsho khuam ua kom puas, tus neeg hnav yuav raug tiv thaiv ntawm riam.
Vim li cas Kevlar thiaj li muaj zog?
Kevlar yog tsib npaug zog dua hlau ntawm qhov hnyav sib npaug thiab muab kev txhim khu kev qha thiab ruaj khov. … Txhawm rau ua tiav ob qho tib si lub zog thiab qhov tawv nqaij ntawm Kevlar, cov saw hlau molecular nyob rau hauv cov organic fiber ntau yuav tsum tau ua kom tiav thiab ua kom zoo sib xws kom ua rau lawv muaj zog, tawv thiab tawv.
