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Girazi fiber ine zvivakwa zvakanakisa uye inoshandiswa zvakanyanya muminda yakawanda.Iyo inorganic isiri-metallic material inogona kutsiva simbi.Nekuda kwetarisiro yakanaka yebudiriro, makambani makuru egirazi faibha ari kutarisa kutsvagurudzo yekushanda kwepamusoro uye mashandiro egirazi fiber.

Fiberglass mesh

1 Tsanangudzo yegirazi fiber
Girazi faibha imhando yeinorganic isiri-simbi zvinhu inogona kutsiva simbi uye ine mashandiro akanaka.Inogadzirwa nekukwevera girazi rakanyungudutswa mumafiber kuburikidza nekuita kwesimba rekunze.Iyo ine hunhu hwekusimba kwepamusoro, yakakwira modulus uye yakaderera elongation.Kupisa kupisa uye kusimba, hombe yekuwedzera kwemafuta ekuwedzera, nzvimbo yakakwira kunyungudika, kunyorova kwayo kunogona kusvika 550 ~ 750 ℃, kugadzikana kwakanaka kwemakemikari, kusiri nyore kupisa, ine humwe hunhu hwakanakisa senge corrosion resistance, uye yakashandiswa zvakanyanya munzvimbo dzakawanda. .
 
2 Hunhu hwegirazi fiber
Iko kunyunguduka kwegirazi fiber i680 ℃, nzvimbo yekuvira i1000 ℃, uye density i2.4～2.7g/cm3.Kusimba kwesimba ndeye 6.3 kusvika 6.9 g / d mune yakajairwa mamiriro uye 5.4 kusvika 5.8 g/d mukunyorova.Girazi fiber ine yakanaka inodzivirira kupisa uye ndeyepamusoro-giredhi insulating zvinhu zvine insulation yakanaka, iyo inokodzera kugadzirwa kwekupisa kwekupisa uye zvinhu zvinopisa moto.
 
3 Kuumbwa kwegirazi fiber
Girazi rinoshandiswa mukugadzirwa kwegirazi fibers rakasiyana negirazi rinoshandiswa mune zvimwe zvigadzirwa zvegirazi.Girazi rinoshandiswa mukugadzirwa kwegirazi fiber rine zvinotevera zvikamu:
(1)E-girazi,Iyo inozivikanwawo segirazi-isina alkali, ndeye borosilicate girazi.Pakati pezvinhu zvinoshandiswa pari zvino mukugadzirwa kwegirazi fibers, alkali-isina girazi ndiyo inonyanya kushandiswa.Alkali-isina girazi ine yakanaka yekuvharisa uye michina zvinhu, uye inonyanya kushandiswa kugadzira insulating girazi faibha uye yakakwirira-simba regirazi faibha, asi alkali-isina girazi haimirire kune inorganic acid corrosion, saka haina kukodzera kushandiswa munzvimbo dzine acidic. .Tine e-girazifiberglass roving, e-girazifiberglass yakarukwa roving,uye e-girazifibeglass mat.
 
(2)C-girazi, inozivikanwawo segirazi repakati alkali.Kana ichienzaniswa negirazi-isina alkali, ine makemikari ari nani ekuramba uye kusasimba kwemagetsi nemakanika.Kuwedzera diboron trichloride kune yepakati alkali girazi inogona kuburitsagirazi faibha pamusoro mat,iyo ine maitiro ekudzivirira ngura.Boron-isina yepakati-alkali girazi fibers inonyanya kushandiswa mukugadzira machira esefa uye machira ekuputira.

Fiberglass yakachekwa tambo mat

(3)High-simba regirazi fiber,sezvinoratidzwa nezita racho, high-simba regirazi fiber ine maitiro ehusimba uye yakakwirira modulus.Simba rayo refiber tensile i2800MPa, inenge 25% yakakwira kupfuura iya yealkali-isina girazi faibha, uye elastic modulus yayo i86000MPa, iyo yakakwirira kudarika yeE-girazi fiber.Kubuda kwegirazi rakasimba regirazi fiber hakuna kukwirira, pamwe chete nesimba rayo rakakwirira uye yakakwirira modulus, saka inowanzoshandiswa mumauto, aerospace uye mitambo yemitambo nemimwe minda, uye haishandiswe zvakanyanya mune mamwe minda.
 
(4)AR girazi fiber, inozivikanwawo sealkali-resistant glass fiber, is an inorganic fiber.Iyo alkali-inodzivirira girazi faibha ine yakanaka alkali kuramba uye inogona kuramba kukora kwezvinhu zvakakwirira alkali.Iyo ine yakanyanya kukwirisa elastic modulus uye kukanganisa kupikisa, kusimba simba uye kukotama simba.Iyo inewo hunhu hwekusapisa, chando kuramba, tembiricha uye humidity resistance, crack resistance, impermeability, yakasimba plasticity uye kuumba nyore.Rib zvinhu zvegirazi fiber reinforced concrete.
 
4 Kugadzirira kwegirazi fibers
Nzira yekugadzira yegirazi fiberkazhinji ndeyekutanga kunyungudutsa zvigadzirwa, uyezve kuita fiberizing kurapwa.Kana ichizoitwa muchimiro chegirazi fiber bhora kana fiberglass tsvimbo, iyo fiberizing kurapwa haigone kuitwa zvakananga.Kune matatu mafibrillation maitiro egirazi fibers:
Kudhirowa nzira: iyo huru nzira ndiyo filament nozzle yekudhirowa nzira, inoteverwa negirazi tsvimbo yekudhirowa nzira uye yekunyunguduka yekudonha yekudhirowa nzira;
Centrifugal nzira: dhiramu centrifugation, danho centrifugation uye horizontal porcelain disc centrifugation;
Kufuridza nzira: nzira yekufuridza uye nzira yekufuridza nozzle.
Iwo ari pamusoro akati wandei maitiro anogona zvakare kushandiswa mumubatanidzwa, senge kudhirowa-kuvhuvhuta uye zvichingodaro.Post-processing inoitika mushure mefiberizing.Iyo post-kugadzirisa yemachira egirazi fibers yakakamurwa kuita anotevera matanho makuru:
(1) Panguva yekugadzirwa kwemagirazi mafirimu, mafirimu egirazi akasanganiswa asati apetwa anofanirwa kuve saizi, uye mapfupi faibha anofanirwa kupfapfaidzwa nemafuta asati aunganidzwa uye kudhimbwa nemakomba.
(2) Kuwedzera kugadzirisa, zvinoenderana nemamiriro epfupi girazi fiber uye pfupigirazi fiber roving pane matanho anotevera:
①Ipfupi girazi fiber kugadzirisa matanho:
②Kugadzirisa matanho egirazi staple fiber roving:
 
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