Cov iav fiber ntau uas tsis muaj alkali thiab tsis muaj alkali yog ob hom uas siv ntaucov ntaub ntawv fiberglassnrog qee qhov sib txawv hauv cov khoom thiab daim ntawv thov.
Nruab nrab alkali iav fiber(E iav fiber):
Cov tshuaj lom neeg muaj cov alkali hlau oxides nruab nrab, xws li sodium oxide thiab potassium oxide.
Muaj kev tiv taus kub siab, feem ntau tiv taus kub txog li 1000 ° C.
Muaj cov khoom siv hluav taws xob zoo thiab tiv taus corrosion.
Feem ntau siv rau hauv cov ntaub ntawv siv hauv kev tsim kho, hluav taws xob thiab hluav taws xob, aerospace thiab lwm yam teb.
Cov iav fiber uas tsis muaj alkali(C Iav Fiber):
Cov tshuaj lom neeg tsis muaj alkali hlau oxides.
Nws muaj alkali thiab corrosion tsis kam thiab yog tsim rau alkaline ib puag ncig.
Kev tiv thaiv qis heev ntawm qhov kub siab, feem ntau tuaj yeem tiv taus qhov kub siab txog li 700 ° C.
Nws yog siv rau hauv kev lag luam tshuaj lom neeg, kev tiv thaiv ib puag ncig, nkoj thiab lwm yam teb.
E-iav muaj lub zog tensile siab dua li C-iav, txhawb nqa zoo dua rau cov log griding.
E-iav muaj Elongation siab dua, nws yuav pab txo qhov sib piv ntawm cov iav fiber abrasive thaum lub sijhawm tsim cov log sib tsoo thaum nws nyob hauv kev ntxhov siab siab.
E-iav muaj qhov ntim ntau dua, kwv yees li 3% ntim me dua hauv tib qhov hnyav. nce cov tshuaj abrasive thiab txhim kho kev sib tsoo zoo & qhov tshwm sim ntawm cov log sib tsoo
E-iav muaj cov khoom zoo dua ntawm kev tiv taus av noo, tiv taus dej & tiv taus kev laus, ua kom muaj zog ntawm cov fiberglass discs & txuas ntxiv lub sijhawm lav ntawm cov log sib tsoo.
Kev Sib Piv ntawm C-iav & E-iav
| Khoom | Si02 | Al2O3 | Fe2O | CaO | MgO | K2O | Na2O | B2O3 | TiO2 | lwm yam |
| C-iav | 67% | 6.2% | 9.5% | 4.2% | 12% | 1.1% | ||||
| E-iav | 54.18% | 13.53% | 0.29% | 22.55% | 0.97% | 0.1% | 0.28% | 6.42% | 0.54% | 1.14% |
Kev sib piv ntawm C-iav & E-iav
| Kev Ua Haujlwm Txog Tshuab | Qhov Ceev (g/cm3) | Kev Tiv Thaiv Kev Laus | Kev Tiv Thaiv Dej | Kev Tiv Thaiv Av noo | ||||
| TensileLub zog (MPa) | Modulus Elastic (GPa) | Kev ntev (%) | Qhov hnyav tsis hnyav (mg) | Alkali tawm (mg) | RH100% (lub zog poob hauv 7 hnub) (%) | |||
| C-iav | 2650 | 69 | 3.84 | 2.5 | Dav Dav | 25.8 | 9.9 | 20% |
| E-iav | 3058 | 72 | 4.25 | 2.57 | Zoo dua | 20.98 | 4.1 | 5% |
Hauv kev xaus, ob qho tib sinruab nrab-alkali (C-iav) thiab cov tsis-alkali (E-iav) iav fibersmuaj lawv tus kheej cov txiaj ntsig thiab daim ntawv thov tshwj xeeb. C iav muaj kev tiv thaiv tshuaj lom neeg zoo heev, thaum E iav muaj cov khoom siv kho tshuab zoo heev thiab rwb thaiv hluav taws xob. Kev nkag siab txog qhov sib txawv ntawm ob hom fiberglass no yog qhov tseem ceeb rau kev xaiv cov khoom siv tsim nyog tshaj plaws rau ib daim ntawv thov tshwj xeeb, kom ntseeg tau tias muaj kev ua tau zoo tshaj plaws thiab ruaj khov.
Lub sijhawm tshaj tawm: Plaub Hlis-18-2024
