Cov iav fiber ntau tuaj yeem muab faib ua fiber ntau txuas ntxiv, ruaj khov ntev fiber ntau thiab iav ntaub plaub raws li nws cov duab thiab ntev.Raws li cov iav muaj pes tsawg leeg, nws tuaj yeem muab faib ua alkali-dawb, tshuaj-resistant, siab alkali, nruab nrab alkali, siab zog, siab elastic modulus thiab alkali-resistant (alkali-resistant) iav fibers.
Cov ntaub ntawv tseem ceeb rau kev tsim cov iav fiber ntau yog quartz xuab zeb, alumina thiab pyrophyllite, limestone, dolomite, boric acid, soda tshauv, mirabilite thiab fluorite.Cov txheej txheem ntau lawm tuaj yeem muab faib ua ob pawg: ib qho yog los ua cov iav molten ncaj qha rau hauv fibers;Ib qho yog tias molten iav yog ua rau hauv iav pob los yog rods nrog ib txoj kab uas hla ntawm 20 hli, thiab ces rhuab thiab remelted nyob rau hauv ntau txoj kev los ua zoo heev fibers nrog ib txoj kab uas hla ntawm 3 ~ 80 μ m.Infinite-ntev fiber ntau ua los ntawm txhua yam teeb duab square txoj kev los ntawm platinum alloy phaj yog hu ua nruam iav fiber, feem ntau hu ua fiber ntau ntev.Discontinuous fibers ua los ntawm cov menyuam los yog cua ntws yog hu ua tsau-ntev iav fibers, feem ntau hu ua luv fibers.
Cov iav fiber ntau tau muab faib ua ntau qib raws li nws muaj pes tsawg leeg, cov khoom thiab kev siv.Raws li tus qauv qib (saib cov lus), E-qib iav fiber ntau yog siv dav thiab siv dav hauv cov khoom siv hluav taws xob.Class s yog cov fiber tshwj xeeb.
Cov iav siv rau kev sib tsoo iav fiber ntau los tsim cov iav fiber ntau txawv ntawm lwm cov khoom iav.Cov iav tivthaiv rau fibers uas tau ua lag luam thoob ntiaj teb yog raws li hauv qab no:
E- iav
Kuj hu ua alkali-dawb iav, nws yog borosilicate iav.Tam sim no, nws yog cov iav fiber ntau siv ntau tshaj plaws, uas muaj cov khoom siv hluav taws xob zoo thiab cov khoom siv kho tshuab.Nws yog dav siv nyob rau hauv zus tau tej cov iav fiber rau hluav taws xob rwb thaiv tsev thiab iav fiber rau iav fiber reinforced yas.Nws qhov tsis zoo yog tias nws yooj yim rau corroded los ntawm inorganic acids, yog li nws tsis haum rau acid ib puag ncig.
C- iav
Iav fiber pas nrig, tseem hu ua nruab nrab-alkali iav, yog tus cwj pwm los ntawm cov tshuaj tiv thaiv zoo dua, tshwj xeeb tshaj yog acid tsis kam, dua li iav tsis muaj alkali, tab sis nws cov khoom siv hluav taws xob tsis zoo, thiab nws lub zog txhua yam yog 10% ~ 20% qis dua li ntawm alkali-dawb iav fiber ntau.Feem ntau, txawv teb chaws nruab nrab-alkali iav fiber ntau muaj qee yam ntawm boron trioxide, thaum Tuam Tshoj lub nruab nrab-alkali iav fiber tsis muaj boron txhua.Hauv cov teb chaws txawv teb chaws, nruab nrab-alkali iav fiber ntau tsuas yog siv los tsim cov khoom siv hluav taws xob tiv thaiv iav fiber ntau, xws li iav fiber ntau nto, thiab tseem siv los ntxiv dag zog rau cov khoom siv hauv tsev asphalt.Txawm li cas los xij, nyob rau hauv Suav teb, nruab nrab-alkali iav fiber ntau nyiaj ntau tshaj ib nrab (60%) ntawm iav fiber ntau lawm, thiab yog dav siv nyob rau hauv lub zog ntawm iav fiber reinforced yas thiab zus tau tej cov lim ntaub thiab wrapping fabrics, vim hais tias nws cov nqi yog. qis dua li ntawm alkali-dawb iav fiber ntau thiab nws muaj kev sib tw muaj zog.
siab zog iav fiber ntau
Nws yog tus cwj pwm los ntawm lub zog siab thiab siab modulus.Nws ib leeg fiber ntau tensile lub zog yog 2800MPa, uas yog hais txog 25% siab dua li ntawm alkali-dawb iav fiber ntau, thiab nws elastic modulus yog 86000MPa, uas yog siab tshaj ntawm E- iav fiber.FRP cov khoom tsim nrog lawv feem ntau yog siv rau hauv kev lag luam tub rog, qhov chaw, cov khoom siv phom sij thiab cov khoom ua si.Txawm li cas los xij, vim yog tus nqi siab, nws tsis tuaj yeem nrov hauv kev siv pej xeem tam sim no, thiab cov khoom siv thoob ntiaj teb yog kwv yees li ob peb txhiab tons.
AR iav fiber ntau
Kuj tseem hu ua alkali-resistant iav fiber ntau, alkali-resistant iav fiber ntau yog cov khoom siv ntawm cov iav fiber reinforced (cement) pob zeb (GRC luv luv), uas yog 100% inorganic fiber thiab ib qho zoo tagnrho hloov rau hlau thiab asbestos nyob rau hauv tsis-load. -cov khoom siv cement.Alkali-resistant iav fiber ntau yog tus yam ntxwv zoo alkali tsis kam, zoo tiv thaiv corrosion ntawm high-alkali tshuaj nyob rau hauv cov cement, muaj zog tuav, tsis tshua muaj siab elastic modulus, cuam tshuam tsis kam, tensile zog thiab khoov lub zog, muaj zog incombustibility, Frost tsis kam, kub thiab txias. Humidity hloov tsis kam, zoo heev tawg kuj thiab impermeability, muaj zog designability thiab yooj yim molding.Alkali-resistant iav fiber ntau yog ib hom tshiab uas tau siv dav hauv kev ua haujlwm siab zog (cement) pob zeb.
Ib khob
Kuj hu ua siab alkali iav, yog ib qho tshuaj sodium silicate iav, uas tsis tshua muaj siv los tsim cov iav fiber ntau vim nws cov dej tsis zoo.
E-CR iav
Nws yog ib qho kev txhim kho boron-dawb thiab alkali-dawb iav, uas yog siv los tsim iav fiber ntau nrog cov kua qaub zoo thiab dej tsis kam.Nws cov dej tsis kam yog 7-8 npaug zoo dua li ntawm cov iav tsis muaj alkali, thiab nws cov kua qaub kuj zoo dua li ntawm nruab nrab-alkali iav fiber ntau.Nws yog ntau yam tshiab tshwj xeeb tsim rau cov kav dej hauv av thiab cov tso tsheb hlau luam.
D iav
Kuj hu ua low dielectric iav, nws yog siv los tsim cov iav uas tsis muaj dielectric nrog zoo dielectric zog.
Ntxiv rau cov iav fiber ntau saum toj no, ib qho tshiab alkali-dawb iav fiber ntau tau tshwm sim, uas tsis muaj boron txhua, yog li txo cov pa phem ib puag ncig, tab sis nws cov hluav taws xob rwb thaiv tsev thiab cov khoom siv kho tshuab zoo ib yam li cov tsoos E-iav.Tsis tas li ntawd, muaj ib hom iav fiber ntau nrog ob chav iav cov khoom, uas tau siv los tsim cov iav ntaub plaub, thiab tau hais tias muaj peev xwm ua FRP qhov cuab lub zog.Tsis tas li ntawd, muaj fluorine-dawb iav fiber ntau, uas yog kev txhim kho alkali-dawb iav fiber ntau tsim rau kev tiv thaiv ib puag ncig.
Txheeb xyuas qhov siab alkali iav fiber ntau
Txoj kev yooj yim ntawm kev tshuaj xyuas yog boil lub fiber nyob rau hauv boiling dej rau 6-7 teev.Yog hais tias nws yog siab alkali glauber lub ntsev fiber, tom qab boiling dej, lub fiber nyob rau hauv warp thiab weft cov lus qhia yuav ua tau.
Tag nrho qhov ntev yog xoob.
Raws li cov qauv sib txawv, muaj ntau txoj hauv kev los faib cov iav fiber ntau, feem ntau los ntawm qhov kev xav ntawm qhov ntev thiab txoj kab uas hla, muaj pes tsawg leeg thiab kev ua tau zoo.
Post lub sij hawm: Feb-16-2023