txoj moo

1. Tensile lub zog
Lub zog tensile yog qhov kev ntxhov siab tshaj plaws uas cov khoom siv tuaj yeem tiv taus ua ntej ncab. Qee cov ntaub ntawv tsis yog-brittic deform ua ntej tawg, tab sisKevlar® (Aramid) Fibers, carbon fibers, thiab e-iav fibers yog puas yooj yim thiab tawg nrog me ntsis deformation. Lub zog tensile yog ntsuas raws li kev quab yuam ib qho chaw (PA lossis cov pascals).

2. Quav thiab lub zog-rau-hnyav piv txwv
Thaum sib piv cov qauv ntawm peb cov khoom, sib txawv ntawm peb cov fibers tuaj yeem pom. Yog tias peb qho qauv ntawm raws nraim li qhov loj me thiab qhov hnyav yog ua, nws tau nrawm nroos tias kev txhais tau ntau dua, nrog carbon fibers nyob ze ob thiabE-iav fibersqhov hnyav tshaj plaws.

3. Cov tub ntxhais hluas lub modulus
Cov tub ntxhais hluas cov modulus yog ib qho kev ntsuas ntawm cov khoom tawv me me ntawm cov khoom elastic thiab yog ib txoj hauv kev piav qhia cov khoom. Nws txhais tau tias yog qhov piv txwv ntawm tsis zoo (hauv ib qho kev taw qhia) kev ntxhov siab rau kev tsis muaj kev ntxhov siab (deformation nyob rau hauv tib txoj kev taw qhia). Cov tub ntxhais hluas lub modulus = kev ntxhov siab / kev nyuaj siab, uas txhais tau tias cov ntaub ntawv nrog cov tub ntxhais hluas qib siab tau muaj tus muaj stiffer dua cov uas muaj cov tub ntxhais hluas qis.
Lub ntsws ntawm Carbon Fiber, Kevlar®, thiab iav cov ntsuas muaj zog sib txawv. Carbon fiber muaj txog ob zaug li ob zaug li aramid fibers thiab tsib zaug stiffer dua li cov iav fibers. Qhov nqes ntawm cov pa roj carbon fiber ntau cov tawv tawv zoo heev yog tias nws nyhav ntau nkig. Thaum nws ua tsis tiav, nws tsis yog ua kom pom ntau yam lossis deformation.

4. Flammability thiab thermal degradation
Ob qho tib si ntawmlar® thiab cov fiber roj muaj zog rau cov kub, thiab tsis muaj qhov taw tes melting. Ob cov ntaub ntawv tau siv nyob rau hauv cov khaub ncaws tiv thaiv thiab hluav taws-resistant fabrics. Cov iav fiberglass yuav kawg, tab sis kuj tseem muaj kev tiv taus siab rau qhov kub siab. Ntawm chav kawm, Frosted iav fibers siv nyob rau hauv cov tuam tsev kuj tuaj yeem nce cov hluav taws tiv thaiv hluav taws kub.
Carbon Fiber thiab Khallar® yog siv los ua kev tiv thaiv kev tua phom lossis cov pam vov lossis khaub ncaws. Kev lag luam looj hnab looj tes yog feem ntau siv hauv cov nqaij kev lag luam los tiv thaiv ob txhais tes thaum siv riam. Txij li cov fibers tsis tshua siv ntawm lawv tus kheej, cov cua sov tsis kam ntawm cov matrix (feem ntau epoxy) kuj tseem ceeb. Thaum rhuab, Epoxy Resin softens sai.

5. Hluav Taws Xob Txhim Kho
Carbon Fiber ua hluav taws xob, tab sis kevlar® thiabiav yasTsis yog.Kevlar® yog siv rau rub cov xov hlau hauv kev hloov cov yees. Txawm hais tias nws tsis ua hluav taws xob, nws nqus dej thiab dej ua hluav taws xob. Yog li ntawd, txheej dej tsis yuav tsum tau siv rau kevlar hauv cov ntawv thov zoo li no.

6. UV degradation
Roob hauv avyuav txwv lub hnub ci thiab siab UV ib puag ncig. Carbon lossis iav fibers tsis rhiab heev rau UV hluav taws xob. Txawm li cas los xij, qee cov matrices xws li Epoxy Resins tau khaws cia rau hauv lub hnub ci ntsa iab uas nws yuav ntxuav kom dawb thiab poob lub zog. Polyester thiab Vinyl Ester resins yog tiv taus UV ntau dua epoxy resins.

7. Kev qaug zog tsis kam
Yog hais tias ib feem yog khoov duav thiab ncaj, nws yuav kawg tsis tau vim kev qaug zog.Carbon Fiberyog qee qhov rhiab rau kev qaug zog thiab nyhav mus rau qhov kev puas tsuaj uas tsis txaus ntseeg, whereas lorari ® yog tiv thaiv kev qaug zog. Fiberglass yog ib qho twg nyob nruab nrab.

8. Ua txhaum tsis taus
Kevlar® yog qhov ua rau nws txiav tsis yooj yim, thiab ib qho ntawm kev siv hnab looj tes tiv thaiv kev tiv thaiv ob tog Cov pa roj carbon thiab khob fibers yog tsawg tsis kam tiv taus.

9. Tshuaj Tiv Thaiv
Roob hauv avyog nkag siab txog cov muaj zog acids, cov hauv paus thiab qee tus neeg sawv cev oxidizing (piv txwv li, sodium hypochlorite), uas tuaj yeem ua rau muaj cov nyiaj fiber ntau. Cov tshuaj chlorine deligine (piv txwv li clorox ®) thiab hydrogen peroxide tsis tuaj yeem siv nrog Kevlar®. Cov tshuaj oxygen tshuaj dawb (piv txwv li sodium perborate) tuaj yeem siv tsis muaj dej hiav txwv puas.

10. Lub Cev Kev Ua Haujlwm
Nyob rau hauv kev txiav txim rau cov pa roj carbon fiberers, kevla los ua cov yeeb yam zoo, lawv yuav tsum tau tuav hauv qhov chaw hauv matrix (feem ntau yog epoxy cob qhia). Yog li ntawd, lub peev xwm ntawm epoxy mus rau cov nyiaj rau ntau yam fibers yog qhov tseem ceeb.
Ob qho tib si carbon thiablub khob fibersMuaj peev xwm yooj yim lo rau epoxy, tab sis cov aramid fiber ntau-epoxy tsis yog li xav tau, thiab cov nplaum no tso cai rau kev nkag mus rau kev nkag mus. Raws li ib tug tshwm sim, qhov yooj yim uas muaj cov qoob loo uas muaj peev xwm nqus dej, sib xyaw nrog cov khoom tsis zoo, txhais tau tias yog tias Kevlar® tuaj yeem nkag mus, ces cov dej toblar® tuaj yeem nkag mus rau cov fibers thiab tsis muaj zog rau cov neeg sib xyaw.

11. Xim thiab faus
Aramid yog lub teeb kub nyob rau hauv nws lub xeev ntuj, nws tuaj yeem xim thiab tam sim no los hauv ntau qhov ntxoov ntxoo zoo. Fiberglass kuj tuaj hauv cov xim muaj xim.Carbon FiberIb txwm dub thiab tuaj yeem sib xyaw nrog cov xim Aramid, tab sis nws tsis tuaj yeem xim nws tus kheej.