xov xwm

Basalt Fiber
Basalt fiber yog ib hom fiber txuas ntxiv uas rub los ntawm cov basalt ntuj. Nws yog pob zeb basalt hauv 1450 ℃ ~ 1500 ℃ tom qab yaj, los ntawm platinum-rhodium alloy hlau rub tawm phaj ceev ceev rub ua los ntawm cov fiber txuas ntxiv. Cov xim ntawm cov fiber basalt ntuj ntshiab feem ntau yog xim av. Basalt fiber yog ib hom tshiab ntawm cov khoom siv fiber ntau uas tsis muaj zog thiab ib puag ncig zoo, uas muaj silica, alumina, calcium oxide, magnesium oxide, hlau oxide thiab titanium dioxide thiab lwm yam oxides.Basalt txuas ntxiv fiberTsis yog tsuas yog muaj lub zog siab xwb, tab sis kuj muaj ntau yam khoom zoo heev xws li hluav taws xob rwb thaiv tsev, tiv taus corrosion, tiv taus kub thiab lwm yam. Tsis tas li ntawd, cov txheej txheem tsim khoom ntawm basalt fiber tau txiav txim siab los tsim cov khib nyiab tsawg dua, muaj kuab paug me me rau ib puag ncig, thiab cov khoom tuaj yeem raug rhuav tshem ncaj qha rau hauv ib puag ncig tom qab pov tseg, tsis muaj kev puas tsuaj, yog li nws yog cov khoom ntsuab tiag tiag, cov khoom siv zoo rau ib puag ncig. Basalt txuas ntxiv fibers tau siv dav hauv cov khoom sib xyaw ua ke fiber, cov ntaub ntawv sib txhuam, cov ntaub ntawv tsim nkoj, cov ntaub ntawv rwb thaiv tsev kub, kev lag luam tsheb, cov ntaub lim dej kub, thiab cov teb tiv thaiv.
Cov yam ntxwv
① Cov khoom siv raw txaus
Cov fiber basaltyog ua los ntawm basalt ore yaj thiab kos, thiab basalt ore ntawm lub ntiaj teb thiab lub hli yog cov khoom khaws cia zoo heev, los ntawm cov nqi raw khoom qis dua.
② Cov khoom siv zoo rau ib puag ncig
Basalt ore yog ib yam khoom siv ntuj, tsis muaj boron lossis lwm yam alkali hlau oxides tawm thaum lub sijhawm tsim khoom, yog li tsis muaj cov tshuaj lom neeg precipitated hauv cov pa luam yeeb, huab cua yuav tsis ua rau muaj kuab paug. Ntxiv mus, cov khoom muaj lub neej ntev, yog li nws yog ib hom tshiab ntawm cov khoom siv tiv thaiv ib puag ncig ntsuab nrog tus nqi qis, kev ua haujlwm siab thiab kev huv huv zoo tagnrho.
③ Kub thiab dej tsis kam
Qhov kub ua haujlwm ntawm cov fiber basalt fiber tas mus li feem ntau yog 269 ~ 700 ℃ (qhov chaw mos ntawm 960 ℃), thaum cov iav fiber rau 60 ~ 450 ℃, qhov kub siab tshaj plaws ntawm cov carbon fiber tsuas yog ncav cuag 500 ℃. Hauv particular, basalt fiber hauv 600 ℃ ua haujlwm, nws lub zog tom qab tawg tseem tuaj yeem tswj tau 80% ntawm lub zog qub; ua haujlwm ntawm 860 ℃ tsis muaj shrinkage, txawm tias qhov kub tsis kam ntawm cov ntaub plaub zoo heev ntawm lub sijhawm no tom qab tawg tsuas tuaj yeem tswj tau ntawm 50% -60%, cov ntaub plaub iav raug rhuav tshem tag nrho. Carbon fiber ntawm kwv yees li 300 ℃ ntawm CO thiab CO2 ntau lawm. Basalt fiber ntawm 70 ℃ nyob rau hauv qhov kev nqis tes ua ntawm dej kub tuaj yeem tswj tau lub zog siab, basalt fiber hauv 1200 teev yuav poob ib feem ntawm lub zog.
④ Kev ruaj khov tshuaj lom neeg zoo thiab kev tiv thaiv corrosion
Cov fiber basalt tas mus li muaj K2O, MgO) thiab TiO2 thiab lwm yam khoom, thiab cov khoom no los txhim kho kev tiv thaiv tshuaj lom neeg ntawm cov fiber thiab kev ua haujlwm tsis muaj dej yog qhov zoo heev, ua lub luag haujlwm tseem ceeb heev. Nws muaj txiaj ntsig zoo dua piv rau kev ruaj khov tshuaj lom neeg ntawm cov iav fiber, tshwj xeeb tshaj yog nyob rau hauv alkaline thiab acidic media, ntau pom tseeb basalt fibers nyob rau hauv saturated Ca (OH) 2 kua thiab cement thiab lwm yam alkaline media kuj tuaj yeem tswj tau qhov kev tiv thaiv siab dua rau alkali corrosion kev ua tau zoo.

⑤ Cov qauv siab ntawm elasticity thiab tensile zog
Lub modulus ntawm elasticity ntawm basalt fiber yog 9100 kg / mm-11000 kg / mm, uas yog siab dua li ntawm alkali-free iav fiber, asbestos, aramid fiber, polypropylene fiber thiab silica fiber. Lub zog tensile ntawm basalt fiber yog 3800-4800 MPa, uas yog siab dua li ntawm cov loj tow carbon fiber, aramid fiber, PBI fiber, steel fiber, boron fiber, alumina fiber, thiab yog sib piv nrog S iav fiber. Basalt fiber muaj qhov ceev ntawm 2.65-3.00 g / cm3 thiab qhov nyuaj siab ntawm 5-9 degrees ntawm Mohs hardness nplai, yog li nws muaj kev tiv thaiv zoo heev thiab tensile reinforcement zog. Nws lub zog kho tshuab ntau dua li ntawm cov fibers ntuj thiab cov fibers hluavtaws, yog li nws yog cov khoom siv reinforcing zoo tagnrho, thiab nws cov khoom kho tshuab zoo heev yog nyob rau pem hauv ntej ntawm plaub lub fibers loj ua tau zoo.
⑥ Kev ua tau zoo ntawm kev rwb thaiv suab zoo heev
Cov fiber basalt txuas ntxiv muaj lub suab rwb thaiv tsev zoo heev, kev ua tau zoo ntawm lub suab nqus, los ntawm cov fiber hauv cov suab sib txawv suab nqus coefficient tuaj yeem kawm tau, nrog rau kev nce zaus, nws cov coefficient nqus suab nce ntxiv ntau heev. Xws li kev xaiv ntawm txoj kab uas hla 1-3μm basalt fiber ua los ntawm (qhov ceev ntawm 15 kg / m3, tuab ntawm 30mm) cov ntaub ntawv nqus suab, hauv lub suab rau 100-300 Hz, 400-900 Hz thiab 1200-7,000 HZ tej yam kev mob, cov khoom siv fiber nqus coefficient ntawm 0.05 ~ 0.15, 0.22 ~ 0.75 thiab 0.85 ~ 0.93, feem.
⑦ Cov khoom siv dielectric zoo tshaj plaws
Qhov ntim resistivity ntawm cov fiber basalt tas mus li yog ib qho kev txiav txim siab ntawm qhov ntau dua li ntawmE iav fiber, uas muaj cov khoom dielectric zoo heev. Txawm hais tias cov basalt ore muaj ib feem loj ntawm ze li ntawm 0.2 ntawm cov oxides conductive, tab sis kev siv cov neeg sawv cev tshwj xeeb infiltrating kev kho tshwj xeeb nto, lub kaum sab xis ntawm basalt fiber dielectric noj tangent dua li cov iav fiber yog 50% qis dua, qhov ntim resistivity ntawm cov fiber kuj siab dua li cov iav fiber

⑧ Kev sib raug zoo ntawm cov silicate ntuj
Kev sib kis zoo nrog cov cement thiab cov pob zeb ua vaj tse, kev sib txuas zoo, cov coefficient ntawm kev nthuav dav thermal thiab kev cog lus sib xws, tiv taus huab cua zoo.
⑨ Kev nqus dej tsawg dua
Qhov nqus dej ntawm cov fiber basalt tsawg dua 0.1%, qis dua li cov fiber aramid, pob zeb wool thiab asbestos.
⑩ Kev ua kom sov qis dua
Lub thermal conductivity ntawm basalt fiber yog 0.031 W / mK - 0.038 W / mK, uas qis dua li ntawm aramid fiber, alumino-silicate fiber, alkali-free glass fiber, rockwool, silicon fiber, carbon fiber thiab stainless hlau.

Fiberglass
Fiberglass, yog ib yam khoom siv inorganic uas tsis yog hlau uas muaj kev ua tau zoo heev, muaj ntau yam zoo xws li kev rwb thaiv tsev zoo, tiv taus cua sov, tiv taus corrosion zoo, muaj zog kho tshuab siab, tab sis qhov tsis zoo yog qhov tsis zoo thiab tsis kam ua haujlwm zoo. Nws yog ua los ntawm chlorite, quartz xuab zeb, limestone, dolomite, boron calcium pob zeb, boron magnesium pob zeb rau hom ores ua cov khoom siv raw los ntawm kev yaj, kos duab, winding, weaving thiab lwm yam txheej txheem kub siab rau hauv kev tsim cov monofilament txoj kab uas hla ntawm ob peb microns txog ntau dua 20 microns, sib npaug rau cov plaub hau ntawm 1/20-1/5, txhua pob ntawm cov fiber filaments yog pua pua lossis txawm tias txhiab tus monofilament sib xyaw.Fiberglassfeem ntau yog siv los ua cov ntaub ntawv txhawb nqa hauv cov ntaub ntawv sib xyaw, cov ntaub ntawv rwb thaiv tsev hluav taws xob thiab cov ntaub ntawv rwb thaiv tsev thermal, cov laug cam thiab lwm qhov chaw ntawm lub teb chaws kev lag luam.

Cov Khoom Siv
Melting point: iav yog ib hom uas tsis yog crystalline, tsis muaj qhov melting point ruaj khov, feem ntau ntseeg tias qhov softening point ntawm 500 ~ 750 ℃.
Kub taw tes: li 1000 ℃
Qhov Ceev: 2.4 ~ 2.76 g / cm3
Thaum siv cov iav fiber ua cov khoom siv rau cov yas reinforced, qhov tseem ceeb tshaj plaws yog nws lub zog tensile siab. Lub zog tensile hauv lub xeev txheem yog 6.3 ~ 6.9 g / d, lub xeev ntub 5.4 ~ 5.8 g / d. Kev tiv thaiv kub zoo, qhov kub txog li 300 ℃ ntawm lub zog tsis muaj teebmeem. Nws muaj kev rwb thaiv hluav taws xob zoo heev, yog cov ntaub ntawv rwb thaiv hluav taws xob theem siab, kuj siv rau cov ntaub ntawv rwb thaiv tsev thiab cov ntaub ntawv tiv thaiv hluav taws. Feem ntau tsuas yog corroded los ntawm concentrated alkali, hydrofluoric acid thiab concentrated phosphoric acid.

Cov yam ntxwv tseem ceeb
(1) Lub zog tensile siab, me me elongation (3%).
(2) Cov coefficient siab ntawm elasticity, zoo rigidity.
(3) Elongation nyob rau hauv cov kev txwv ntawm elasticity thiab siab tensile zog, yog li nws nqus cov zog loj cuam tshuam.
(4) Cov fiber inorganic, tsis kub hnyiab, tshuaj lom neeg zoo.
(5) Kev nqus dej me me.
(6) Kev ruaj khov zoo thiab tiv taus cua sov.
(7) Kev ua tau zoo, tuaj yeem ua rau hauvcov xov, cov pob khoom, cov ntaub, cov ntaubthiab lwm yam khoom sib txawv.
(8) Pob tshab thiab lub teeb kis tau.
(9) Kev nplaum zoo nrog cov tshuaj resin.
(10) Pheej yig.
(11) Tsis yooj yim hlawv, tuaj yeem sib xyaw ua cov hlaws iav ntawm qhov kub siab.