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Chii chinonzi fiberglass?

Machira egirazi anoshandiswa zvakanyanya nekuda kwekushandisa mari shoma uye hunhu hwakanaka, kunyanya muindasitiri yekugadzira zvinhu zvinosanganisa simbi. Kare muzana remakore rechi18, vanhu vekuEurope vakaona kuti girazi rinogona kurongedzwa kuita machira ekuruka. Bhokisi raMambo weFrance Napoleon raive nemachira ekushongedza akagadzirwa nefiberglass. Machira egirazi ane filaments uye mapfupi fibers kana flocs. Filaments dzegirazi dzinowanzo shandiswa muzvinhu zvinosanganisa simbi, zvigadzirwa zverabha, mabhandi ekufambisa, matarpaulins, nezvimwewo. Filaments pfupi dzinonyanya kushandiswa mumameti asina kurukwa, mapurasitiki einjiniya uye zvinhu zvinosanganisa simbi.

Hunhu hwegirazi hwefiber hunoyevedza uye hune michina, nyore kugadzira, uye mutengo wakaderera kana tichienzanisa nekabhoni faibhaIta kuti ive chinhu chinosarudzwa pakushandisa zvinhu zvakasiyana-siyana zvine simba guru. Magirazi anoumbwa nemaoxides esilica. Magirazi ane hunhu hwakanaka hwemuchina hwakadai sekusanyanya kuputsika, kusimba kwakanyanya, kuomarara kushoma uye huremu hwakareruka.

Faibha yegirazi mapolymer akasimbiswa ane mhando dzakasiyana dzemagirazi, akadai semafiber erefu,shinda dzakachekwa, mameti akarukwa, uyematinji akachekwa, uye zvinoshandiswa kuvandudza hunhu hwemakemikari uye hwetribological hwepolymer composites. Magirazi egirazi anogona kuwana chiyero chepamusoro chekutanga, asi kuputsika kunogona kukonzera kuti mafirita aputsike panguva yekugadzirisa.

hunhu hwegirazi faibha

Hunhu hukuru hwegirazi fiber hunosanganisira zvinotevera:

Hazvisi nyore kunyudza mvura:Faibha yegiraziInodzinga mvura uye haina kukodzera mbatya, nekuti ziya haripindi, zvichiita kuti munhu akapfeka anzwe akanyorova; nekuti jira racho harina kukanganiswa nemvura, harizotsvedzeri.

Kusasimba: Nekuda kwekusasimba, jira harina kusimba zvakanyanya uye harina kusimba zvakanyanya. Saka, rinoda kugadziriswa pamusoro kuti rirambe kukwinya.

Simba Rakakwirira:Girazi reFiberglass yakasimba zvikuru, inenge yakasimba seKevlar. Zvisinei, kana shinda dzikakwizana, dzinotyoka uye dzinoita kuti jira riite serakasvibira.

Kudzivirira: Muchidimbu, fiberglass inodzivirira kupisa zvakanaka.

Kugona kudhonzeka: Matayi acho anodhonzeka zvakanaka, zvichiita kuti akwanise kushandiswa pamachira.

Kuramba Kupisa: Magirazi egirazi anodzivirira kupisa zvakanyanya, anogona kutsungirira tembiricha inosvika 315°C, haakanganisike nezuva, bleach, mabhakitiriya, chakuvhuvhu, zvipembenene kana alkalis.

Zvinokanganisa:Magirazi egirazi zvinokanganiswa ne hydrofluoric acid uye hot phosphoric acid. Sezvo fiber iri chigadzirwa chakagadzirwa negirazi, mamwe magirazi asina kubikwa anofanira kubatwa nokungwarira, senge zvinhu zvinodzivirira kupisa mumba, nekuti magumo efiber haana kusimba uye anogona kubaya ganda, saka magirovhosi anofanira kupfekwa pakubata fiberglass.

Kushandisa girazi faibha

Girazi reFiberglass chinhu chisina makemikari chisingatsvi uye chinochengetedza inenge 25% yesimba rayo rekutanga pa540°C. Makemikari mazhinji haanyanyi kukanganisa fibers dzegirazi. Fiberglass isina makemikari haizoumbi kana kuora. Fibers dzegirazi dzinokanganiswa ne hydrofluoric acid, hot phosphoric acid uye zvinhu zvine alkaline yakasimba.

Chinhu chakanaka kwazvo chekudzivirira kupisa kwemagetsi.Machira eFiberglass dzine zvinhu zvakaita sekunyorova kushoma, simba guru, kusapisa uye kusachinja-chinja kwe dielectric, zvichiita kuti dzive dzakanakira mabhodhi ecircuit akadhindwa uye mavarnish ekudzivirira kupisa.

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