litaba

Ka kutloisiso e pharaletseng, kutloisiso ea rona ea fiber ea khalase esale e le hore ke ntho e sa sebetseng ea tšepe, empa ka ho teba ha lipatlisiso, rea tseba hore ho na le mefuta e mengata ea likhoele tsa khalase, 'me li na le ts'ebetso e ntle haholo. li ngata tse hlaheletseng Melemo. Ka mohlala, matla a eona a mechine a phahame ka ho khetheha, 'me ho hanyetsa mocheso le ho hanyetsa ha kutu le hona ho molemo ka ho khetheha. Ke 'nete hore ha ho na thepa e phethahetseng,' me fiber ea khalase e boetse e na le mefokolo ea eona e ke keng ea hlokomolohuoa, ke hore, ha e khone ho apara ebile e atisa ho ba le brittleness. Kahoo, ha re sebelisa matla a rōna, re lokela ho sebelisa matla a rōna ’me re qobe mefokolo ea rōna.

Lisebelisoa tse tala tsa fiber ea khalase li fumaneha habonolo, haholo-holo likhalase tsa khale tse lahliloeng kapa lihlahisoa tsa khalase. Khoele ea khalase e ntle haholo, 'me likhalase tse fetang 20 tsa monofilament hammoho li lekana le botenya ba moriri. Hangata fiber ea khalase e ka sebelisoa e le thepa e matlafatsang ka thepa e kopantsoeng. Ka lebaka la ho teba ha lipatlisiso tsa fiber ea khalase lilemong tsa morao tjena, e bapala karolo ea bohlokoa ka ho fetisisa tlhahisong le bophelong ba rona. Lingoliloeng tse 'maloa tse latelang li hlalosa haholo ts'ebetso ea tlhahiso le ts'ebeliso ea fiber ea khalase. Sengoliloeng sena se hlahisa thepa, likarolo tsa mantlha, litšoaneleho tsa mantlha, le likarolo tsa thepa ea fiber ea khalase. Lihlooho tse 'maloa tse latelang li tla tšohla mokhoa oa eona oa tlhahiso, ts'ireletso ea ts'ireletso, Tšebeliso e ka sehloohong, ts'ireletso ea ts'ireletso, boemo ba indasteri le litebello tsa nts'etsopele li hlalosoa.

Iselelekela

1.1 Thepa ea fiber ea khalase

Tšobotsi e 'ngoe e babatsehang ea fiber ea khalase ke matla a eona a holimo, a ka fihlang ho 6.9g / d boemong bo tloaelehileng le 5.8g / d boemong ba metsi. Lintho tse joalo tse babatsehang li etsa hore fiber ea khalase hangata e sebelisoe hohle e le lisebelisoa tse matlafatsang. E na le sekhahla sa A sa 2.54. Fiber ea khalase e boetse e mamella mocheso haholo, 'me e boloka thepa ea eona e tloaelehileng ho 300°C. Fiberglass le eona ka linako tse ling e sebelisoa haholo e le sekontiri sa mocheso le se sireletsang, ka lebaka la thepa ea eona ea motlakase le ho se khone ho hola habonolo.

1.2 Lisebelisoa tse ka sehloohong

Sebopeho sa fiber ea khalase se batla se rarahane. Ka kakaretso, likarolo tse ka sehloohong tse amoheloang ke motho e mong le e mong ke silika, magnesium oxide, sodium oxide, boron oxide, aluminium oxide, calcium oxide joalo-joalo. Bophara ba monofilament ea fiber ea khalase ke hoo e ka bang 10 microns, e lekanang le 1/10 ea bophara ba moriri. Sephutheloana se seng le se seng sa likhoele se entsoe ka likete tsa monofilaments. Mokhoa oa ho taka o fapane hanyane. Hangata, likahare tsa silika ka har'a fiber ea khalase li etsa 50% ho isa ho 65%. Matla a mahlahahlaha a khalase a nang le aluminium oxide content ho feta 20% a batla a phahame, hangata a matla a phahameng a khalase, ha aluminium oxide e nang le likhoele tsa khalase tse se nang alkali hangata e ka ba 15%. Haeba u batla ho etsa hore fiber ea khalase e be le modulus e kholoanyane, u tlameha ho etsa bonnete ba hore litaba tsa magnesium oxide li feta 10%. Ka lebaka la fiber ea khalase e nang le tekanyo e nyenyane ea ferric oxide, khanyetso ea eona ea kutu e ntlafalitse ho ea ho tse sa tšoaneng.

1.3 Likarolo tse ka Sehloohong

1.3.1 Lisebelisoa le lisebelisoa

Ha ho bapisoa le likhoele tsa inorganic, thepa ea likhoele tsa khalase e phahame haholo. Ho thata ho hotetsa, ho thibela mocheso, ho thibela mocheso, ho tsitsisa haholoanyane, le ho thibela mocheso. Empa e brittle ebile e na le khanyetso e ntle ea ho apara. E sebelisetsoa ho etsa lipolasetiki tse matlafalitsoeng kapa tse sebelisetsoang ho matlafatsa rabara, kaha fiber ea khalase e matlafatsang e na le litšobotsi tse latelang:

(1) Matla a eona a tsitsitseng a molemo ho feta lisebelisoa tse ling, empa bolelele bo tlaase haholo.

(2) Elastic coefficient e loketse haholoanyane.

(3) Ka har'a moeli oa elastic, fiber ea khalase e ka tsoela pele ka nako e telele 'me e tsitsitse haholo, kahoo e ka monya matla a mangata ha a tobane le tšusumetso.

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(5) Ha ho bonolo ho monya metsi.

(6) E thibela mocheso ebile e tsitsitse ka tlhaho, ha ho bonolo ho itšoara.

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(8) E ka fetisa leseli.

(9) Kaha thepa e fumaneha habonolo, theko ha e theko e boima.

(10) Ka mocheso o phahameng, ho e-na le ho chesa, e qhibiliha ho ba lifaha tse metsi.

1.4 Karolelano

Ho ea ka litekanyetso tse fapaneng tsa lihlopha, fiber ea khalase e ka aroloa ka mefuta e mengata. Ho ea ka libopeho le bolelele bo fapaneng, e ka aroloa ka mefuta e meraro: likhoele tse tsoelang pele, k'hothone ea fiber le likhoele tse telele tse tsitsitseng. Ho ea ka likarolo tse fapaneng, tse kang alkali content, e ka aroloa ka mefuta e meraro: alkali-free glass fiber, medium-alkali glass fiber, le high-alkali glass fiber.

1.5 Lihlahisoa tse tala

Tlhahisong ea sebele ea indasteri, e le ho hlahisa fiber ea khalase, re hloka alumina, lehlabathe la quartz, limestone, pyrophyllite, dolomite, soda molora, mirabilite, boric acid, fluorite, fiber glass fiber, joalo-joalo.

1.6 Mokhoa oa tlhahiso

Mekhoa ea tlhahiso ea indasteri e ka aroloa ka mekhahlelo e 'meli: e' ngoe ke ho qhibilihisa likhoele tsa khalase pele, ebe ho etsa lihlahisoa tsa khalase tse chitja kapa tsa molamu tse nang le li-diameter tse nyane. Joale, e futhumetse ebe e qhibiliha hape ka litsela tse fapaneng ho etsa likhoele tse ntle tse nang le bophara ba 3-80 μm. Mofuta o mong o boetse o qhibilihisa khalase pele, empa o hlahisa likhoele tsa khalase ho e-na le lithupa kapa lilika-likoe. Joale sampole e ne e huloa ka poleiti ea alloy ea platinamo ho sebelisoa mokhoa oa mochini oa ho taka. Lingoliloeng tse hlahisoang li bitsoa likhoele tse tsoelang pele. Haeba likhoele li huloa ka tlhophiso ea lirolara, lintho tse hlahisoang ke tsona li bitsoa discontinuous fibers, tse tsejoang hape e le likhoele tsa khalase tse sehiloeng ho isa ho bolelele, le likhoele tse tloaelehileng.

1.7 Kereiti

Ho latela sebopeho se fapaneng, tšebeliso le thepa ea fiber ea khalase, e arotsoe ka limaraka tse fapaneng. Likhoele tsa khalase tse rekiselitsoeng khoebo machabeng ke tse latelang:

1.7.1 Khalase ea E

Ke khalase ea borate, eo hape e bitsoang khalase e se nang alkali bophelong ba letsatsi le letsatsi. Ka lebaka la melemo ea eona e mengata, ke eona e sebelisoang ka ho fetisisa. Hona joale ke eona e sebelisoang ka ho fetisisa, le hoja e sebelisoa haholo, empa e boetse e na le mefokolo e ke keng ea qojoa. E arabela habonolo ka letsoai la inorganic, kahoo ho thata ho e boloka sebakeng se nang le asiti.

1.7.2 C-khalase

Ka tlhahiso ea 'nete, e boetse e bitsoa khalase ea alkali e mahareng, e nang le thepa ea lik'hemik'hale e batlang e tsitsitse le ho hanyetsa acid e ntle. Bothata ba eona ke hore matla a mochine ha a phahame mme ts'ebetso ea motlakase e fokola. Libaka tse fapaneng li na le litekanyetso tse fapaneng. Ka indasteri ea fiber ea khalase ea malapeng, ha ho na karolo ea boron ka khalase ea alkali e bohareng. Empa indastering ea fiber ea khalase ea kantle ho naha, seo ba se hlahisang ke khalase ea alkali e mahareng e nang le boron. Hase feela litaba tse fapaneng, empa hape le karolo e phethoang ke khalase ea mahareng-alkali lapeng le linaheng tse ling e boetse e fapane. Mete ea khalase ea fiber holim'a khalase le likhoele tsa fiber tsa khalase tse hlahisoang kantle ho naha li entsoe ka khalase ea alkali e mahareng. Ka tlhahiso, khalase ea alkali e mahareng e boetse e sebetsa ka asphalt. Naheng ea heso, lebaka la sepheo ke hore e sebelisoa haholo ka lebaka la theko ea eona e tlase haholo, 'me e sebetsa hohle ka har'a indasteri ea masela a phuthela le filthara.

Molamu oa fiberglass

1.7.3 Fiber ea khalase A khalase

Ha ho etsoa tlhahiso, batho ba boetse ba e bitsa khalase e phahameng ea alkali, e leng ea khalase ea sodium silicate, empa ka lebaka la ho hanyetsa metsi, hangata ha e hlahisoe e le fiber ea khalase.

1.7.4 Fiberglass D khalase

E boetse e bitsoa khalase ea dielectric 'me ka kakaretso ke eona thepa e tala ea likhoele tsa khalase ea dielectric.

1.7.5 Khalase ea fiber e matla haholo ea khalase

Matla a eona a phahame ka 1/4 ho feta a fiber ea khalase ea E-glass, 'me modulus ea eona ea elastic e phahame ho feta ea E-glass fiber. Ka lebaka la melemo ea eona e sa tšoaneng, e lokela ho sebelisoa haholo, empa ka lebaka la litšenyehelo tsa eona tse phahameng, hona joale E boetse e sebelisoa feela libakeng tse ling tsa bohlokoa, tse kang indasteri ea sesole, sefofane sa lifofane joalo-joalo.

1.7.5 Khalase ea fiber ea khalase ea AR

E boetse e bitsoa fiber ea khalase e hanyetsanang le alkali, e leng fiber e hloekileng ea tlhaho 'me e sebelisoa e le thepa e matlafatsang ka har'a konkreite e matlafalitsoeng ka khalase. Tlas'a maemo a itseng, e ka ba ea nkela tšepe le asbestos sebaka.

1.7.6 Khalase ea fiber ea khalase ea E-CR

Ke khalase e ntlafalitsoeng e se nang boron le e se nang alkali. Hobane khanyetso ea eona ea metsi e batla e phahame ka makhetlo a 10 ho feta ea fiber ea khalase e se nang alkali, e sebelisoa haholo tlhahiso ea lihlahisoa tse thibelang metsi. Ho feta moo, khanyetso ea eona ea asiti e boetse e matla haholo, 'me e nka boemo bo ka sehloohong tlhahisong le ts'ebetsong ea liphaephe tse ka tlas'a lefatše. Ho phaella likhoeleng tse tloaelehileng tsa khalase tse boletsoeng ka holimo, bo-rasaense ba se ba qapile mofuta o mocha oa fiber ea khalase. Hobane ke sehlahisoa se se nang boron, se khotsofatsa sepheo sa batho sa ho sireletsa tikoloho. Lilemong tsa morao tjena, ho na le mofuta o mong oa fiber ea khalase e ratoang haholo, e leng fiber ea khalase e nang le likhalase tse peli. Ka lihlahisoa tsa hona joale tsa boea ba khalase, re ka lemoha boteng ba eona.

1.8 Ho khetholla likhoele tsa khalase

Mokhoa oa ho khetholla likhoele tsa khalase o bonolo ka ho khetheha, ke hore, kenya likhoele tsa khalase ka metsing, mocheso ho fihlela metsi a bela, 'me u a boloke lihora tse 6-7. Haeba u fumana hore likarolo tse pota-potileng le tsa weft tsa likhoele tsa khalase ha li kopane, ke likhoele tse phahameng tsa khalase ea alkali. . Ho ea ka litekanyetso tse fapaneng, ho na le mekhoa e mengata ea lihlopha tsa likhoele tsa khalase, tseo ka kakaretso li arotsoeng ho tloha ho litebello tsa bolelele le bophara, sebopeho le ts'ebetso.

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