Cov fibers basalt uas raug txiav yog cov fibers inorganic minerals uas muaj qhov ntev feem ntau tsawg dua 50 hli, tsim los ntawm kev txiav cov fibers basalt ua cov khoom siv hauv paus. Lawv tuaj yeem sib xyaw ua ke hauv cov pob zeb ua vaj tse. Raws li lawv daim ntawv thov, lawv feem ntau yog pawg raws li: cov fibers tiv taus tawg rau cov pob zeb ua vaj tse (BF), cov fibers tawv thiab txhawb nqa (BZ), thiab cov fibers tiv taus tawg rau cov mortar (BSF).
Cov khoom ntawmCov Fiber Basalt Uas Tau Txiav Lawm
Cov fiber basalt uas raug txiav ua qauv qhia txog lub zog siab thiab cov khoom siv modulus siab, nrog lub zog tensile ncav cuag 1050-1250 MPa thiab cov modulus elastic tsis tsawg dua 34 GPa. Nws qhia txog kev tiv thaiv kub siab tshwj xeeb, muaj peev xwm ua haujlwm tas mus li thoob plaws qhov kub thiab txias ntawm -269 ° C txog 650 ° C. Lawv qhia txog kev tiv thaiv corrosion siab thiab kev ruaj ntseg tshuaj lom neeg hauv cov kua qaub, alkaline, thiab saline corrosive media. Tshwj xeeb tshaj yog nyob rau hauv cov kua alkali saturated thiab cov cement-based alkaline ib puag ncig, lawv cov monofilament tensile zog khaws cia tus nqi tshaj 75%, qhia txog kev tiv thaiv alkali zoo heev. Cov fiber basalt uas raug txiav ua qauv qhia txog kev sib raug zoo zoo nrog cov inorganic binders, nrog rau tus nqi nqus dej noo qis dua 1% uas tseem ruaj khov dhau sijhawm. Qhov no qhia txog lawv cov khoom ruaj khov zoo tshaj plaws, lub neej ntev, thiab kev sib raug zoo ib puag ncig thaum siv. Tsis tas li ntawd, cov fibers no muaj cov khoom rwb thaiv tsev zoo heev, muaj peev xwm lim dej kub siab, tiv thaiv hluav taws xob, thiab nthwv dej permeability.
Kev tshuaj xyuas ntawmCov Fiber Basalt Uas Tau Txiav LawmDaim Ntawv Thov Hauv Kev Ua Vaj Tse
Cov pob zeb basalt fiber uas raug txiav ua tej daim me me yog siv cov fiber basalt uas txiav ua tej daim me me los yog tej daim me me uas txiav ua tej daim me me rau hauv cov pob zeb los ntawm tej txoj kev tsim nyog. Txoj kev no ua rau cov pob zeb ruaj khov thiab muaj zog tensile ntau dua thaum tseem khaws nws lub zog compressive, yog li ntawd cov pob zeb thiaj li ruaj khov thiab siv tau ntev dua.
Ntxiv rau cov fibers basalt, cov ntaub ntawv xws li carbon fiber, iav fiber, thiab aramid fiber kuj tau siv los ua cov khoom siv txhawb nqa hauv cov pob zeb ua vaj tse. Txawm li cas los xij, kev xyaum mus sij hawm ntev qhia tau hais tias cov ntaub ntawv no muaj teeb meem thaum siv rau cov pob zeb ua vaj tse, feem ntau ua tsis tau raws li kev xav tau ntawm kev ua lag luam rau cov pob zeb ua vaj tse zoo. Kev tshwm sim ntawm cov fibers basalt txiav ua kom tiav qhov sib txawv no ob qho tib si khoom siv thiab kev siv tshuab, ua rau cov thev naus laus zis txhawb nqa pob zeb ua vaj tse zoo dua. Nws lub luag haujlwm hauv kev txhawb nqa pob zeb ua vaj tse feem ntau pom tseeb hauv cov hauv qab no:
1. Kev Tiv Thaiv Kev Ntxeev: Siv lawv qhov muaj ntau thiab qhov zoo ntawm thaj chaw, cov fiber basalt txiav tau zoo txwv cov microcracks, tiv thaiv lawv txoj kev nthuav dav thiab kev sib txuas. Tib lub sijhawm, lawv kov yeej qhov tsis zoo ntawm lwm cov fibers hluavtaws - xws li qhov ceev qis, lub zog tensile, thiab elastic modulus - los ntawm kev tiv thaiv kev tawg thaum lub sijhawm nthuav dav ntawm qhov ntxeev. Qhov no tiv thaiv kev loj hlob ntawm microcrack thiab qeeb qhov kev tsim cov kab nrib pleb tshiab, zoo txhim kho cov dej tsis kam thiab khov-thaw durability.
2. Kev Sib Txuas High Modulus Nrog Kev Yooj Yim Tsim Kho: Cov fibers basalt txiav siv lub modulus siab thiab lub zog tensile siab ib filament zoo ib yam li cov fibers hlau los tiv thaiv kev tawg. Lawv kuj kov yeej qhov tsis zoo ntawm cov fibers hlau, xws li kev nyiam sib sau ua ke thaum sib tov, uas cuam tshuam kev twj thiab kev tsim kho.
3. Kev Sib Tov Zoo thiab Kev Sib Haum Xeeb: Raws li cov fibers inorganic uas yog silicate, cov fibers basalt uas raug txiav ua tej daim me me qhia tau tias lawv sib haum xeeb nrog cov khoom siv cementitious. Lawv qhov ceev (kwv yees li 2.63–2.80 g/cm³) zoo ib yam li cov cement concrete thiab mortar, ua kom muaj kev ua haujlwm zoo thiab kev sib xyaw ua ke hauv cov qauv concrete tom qab sib xyaw ua ke.
4. Kev Ruaj Khov Zoo Tshaj Plaws: Cov fiber basalt uas tau hloov kho saum npoo av qhia txog cov yam ntxwv "inert fiber", qhia txog kev tiv taus kub, xeb, thiab kev cuam tshuam zoo heev. Lawv tswj tau qhov ruaj khov txawm tias nyob rau hauv qhov kub thiab txias, qhov chaw xeb heev thaum txhim kho qhov tsis kam ntawm cov cement matrix. Yog li ntawd, lawv tiv taus cov xwm txheej hnyav thoob plaws hauv kev sib tov, nchuav, teeb tsa, thiab kev pabcuam, txhim kho qhov ruaj khov ntawm cov cement.
Hauv kev xaus lus, cov fibers basalt txiav ua tau zoo ua rau cov pob zeb tsis kam rau kev cuam tshuam, txo qhov brittleness, thiab txhim kho nws cov khoom siv kho tshuab. Tshwj xeeb, hauv cov qauv pob zeb, lawv ua haujlwm los tiv thaiv kev tawg, tiv thaiv kev ntws, txhim kho kev ruaj khov, ua rau muaj kev cuam tshuam thiab lub zog tensile, thiab pab txhim kho qhov zoo ntawm qhov chaw.
Cov Txheej Txheem Tsim Kho thiab Kev Ceev Faj rau Cov Pob Zeb Basalt Fiber Uas Tau Txiav Lawm
1. Kev Tsim Kho Kub
Cov pob zeb basalt fiber uas raug txiav yuav tsum tau siv rau hauv qhov kub ntawm -5°C txog 25°C. Qhov kub siab lossis qis dhau yuav ua rau sib tov tsis sib xws.
2. Kev Tswj Xyuas Kev Tsim Kho Zoo
Kev tswj xyuas zoo rau kev tsim cov pob zeb basalt fiber ntau yuav tsum tsom mus rau kev tshuaj xyuas cov khoom siv raw, kev ntsuas qhov tseeb, thiab kev sib tov zoo.
2.1 Kev Tsim Qauv Sib Xyaws
Thaum lub sijhawm tsim kho tiag tiag, xaiv cov qib sib txawv ntawm cov fiber basalt uas raug txiav ua tej daim me me raws li qhov xav tau ntawm qhov project. Vim tias cov fiber basalt uas raug txiav ua tej daim me me tsis sib xyaw nrog lwm cov khoom sib xyaw ua ke lossis cov khoom sib xyaw ua ke, nws cov koob tshuaj feem ntau tsis hloov cov ntsiab cai tsim cov khoom sib xyaw thawj. Thaum lub sijhawm tsim kho, cov khoom siv ntawm txhua yam khoom siv yuav tsum tau suav thiab txiav txim siab raws li cov qauv tsim cov khoom sib xyaw thiab qhov loj ntawm cov khoom siv.
2.2 Kev Sib Ntxiv thiab Txoj Kev
Thaum lub sijhawm sib tov, cov fiber basalt uas twb txiav lawm yuav tsum tau ntxiv rau tib lub sijhawm nrog cov pob zeb xws li xuab zeb thiab pob zeb. Nws raug pom zoo kom faib cov fibers kom sib npaug rau hauv cov pob zeb sib tov thaum lub sijhawm ntxiv lawv, tom qab ntawd ntxiv dej rau kev sib tov ntub.
Cov txheej txheem ntxiv fiber ntau tuaj yeem faib ua phau ntawv lossis tsis siv neeg:
Ntxiv Tes: Tom qab cov pob zeb kub raug thauj mus rau hauv lub nruas sib tov, cov fibers basalt uas tau hnyav ua ntej raug ntxiv tes. Txoj kev no suav nrog kev siv zog ua haujlwm ntau dua thiab kev sib xyaw ua ke qis dua. Lub sijhawm sib tov yuav tsum tau ntev dua raws li qhov xwm txheej tiag tiag kom ntseeg tau tias cov fiber sib xyaw ua ke.
Kev Pub Noj Tsis Siv Neeg: Siv lub tshuab pub basalt fiber rau kev ntsuas tsis siv neeg, sib dhos nrog cov khoom kub kub rau hauv lub nruas sib tov. Cov tshuab pub fiber feem ntau muaj cov txheej txheem ntsuas tsis siv neeg, kev faib ua ntej, thiab cov txheej txheem xa khoom pneumatic, muab cov txiaj ntsig ntawm kev yooj yim, ceev, thiab raug. Yuav tsum xaiv txoj kev tsim nyog raws li cov xwm txheej tsim kho tiag tiag.
2.3 Kev Kho Kom Slow
Kev ntxiv cov fiber ntau ua rau cov sib tov ua ke viscosity me ntsis, cuam tshuam rau qhov slump. Yog tias qhov slump tsis ua tau raws li qhov yuav tsum tau ua ntawm kev tsim kho, xub siv cov plasticizers lossis cov tshuaj txo dej; tsis txhob ua kom cov dej ntau ntxiv.
2.4 Kev Tso thiab Kev Kho
Kev sib xyaw ua ke ntawm cov pob zebcov fiber basalt uas raug txiav ua tej daim me meTsis tas yuav muaj cov txheej txheem tshwj xeeb rau kev tso, tab sis yuav tsum tau ua kom tiav qhov kev sib zog. Cov kev cai ntawm kev kho kom zoo ib yam li cov rau cov pob zeb txheem.
Lub sijhawm tshaj tawm: Lub Ob Hlis-27-2026
