Ke liphetoho life tsa sebopeho tse hlahang lesela la PTFE le mocheso o phahameng nakong ea botsofali?

PTFEhigh-themperaturefabricisacompositemateriale entsoeng ka ho imamela kapa ho koaheloa khalasefiberbasefabricwithpolytetrafluoroethylene(PTFE).

Ho pepeseha ha nako e telele ho ea mochesong o phahameng, maemo a thermo-oxidative, mahlaseli a kotsi a ultraviolet, le setempe sa mochini, sebopeho sa sona se ka tlase se ka fetoloang se ka fetoloang liphetoho ho tloha ho molecular tothemacroscopic.

I.MicrostructuralChangesinthePTFECoating

Ho fokotseha ha ketane ea molek'hule le ho ntlafala: The carbon-fluorinemaketane tlas'a ketane, depolymerization, andoxidation, ho fella ka ho fokotseha ha molek'hule boima le sebopeho sa lihlopha tsa polarsuchascarbonylandcarboxylgroupsatchainends.

Phetoho e sa tsitsang: Likaroloana tsa liketane tse khuts'oane ka tlas'a kristale ea bobeli

Ho senyeha ha microscopicmorphology: Ho senyeha le ho honyela hatress ho hlahisa mapetsong a mangata a manyenyane le mapena, ho etsa likanale tsa ho bola.

II.Phetoho ea SebopehoGlassFiberSubstrateand Interface

Ho hloleha ho fana ka boholo/ho kopanya metsoako: Silanecouplingagentsororganicsizingagentsonthe glassfibersurfacedecompose and carbonizeheight mocheso pele,ho bakang tahlehelo ea lik'hemik'hale le likhoele tsa ho notlela tsa mochini lipakeng tsa PTFE le fiber ea khalase.

Ho hloleha ha sefahleho , phapano ea katoloso ea mocheso lipakeng tsa PTFE le khalase e hlahisa mocheso oa mocheso, e lebisang ho peeleng le karohano ea lesela ho tsoa leselang, ho fella ka ho qhibiliha, delamination, libaka tse tšoeu tse sa hlahisoang.

Ho senyeha ha khalase ka boyona: Mocheso o phahameng oa sandalkaline ntho e senyang marang-rang, e bakang micro-cracksonthefibersurface le brittlement.Ho sa le joalo, alkalimetaloxide ka khalaseng e fetisa mocheso o boima, e baka ho bola ho senyang sefahleho le ho potlakisa matla.

III.PhetohoSebopeho saMakrosekopo le Ponahalo

Phetoho ea 'mala: Thepa e fetoha butle-butle ho tloha ho bosoeu ea tlhaho tobeige, sootho, oreven-black, e hlahisoang ke carbonization of the interfacial layer, khomaretso ea lintho tse silafatsang tsa lintho tse phelang, le lihlahisoa tse setseng ho tloha ho senyeha ho honyenyane PTFE.

Botsitso le ho batalla: Ho honyela hoa hlaha, bokaholimo ba lesela bo fetoha bo sa lekaneng, 'me mathōko acurl.

Surfaceroughening: Ponahalo e boreleli ea nyamela, 'me bokaholimo bo fetoha bo thata ebile bo lahleheloa ke bokhabane.

Mechanicalstructural collapse: Thepa e felloa ke ho feto-fetoha le ho phunyeha ha eona.

IV.Bohlokoa baTsela ea Botsofali

Phetoho e ka holimo e theha mokhoa o tsoelang pele'ho senyeha ha moaho → ho se hlolehe ha sefahleho → ho senyeha ha karolo e ka holimo.'PTFElosesitsinertnessand developscracks;glassfiberinterface e senyehile ka pele ho fiberbody ka boyona,e lebisang ho nyenyefatsa; ka kopanelo, sebopeho sohle se fetoha phofshoana, phofshoana, 'me ea qhalana.Laola mocheso o sebetsang, ho qoba tšisinyeho ea mocheso ho tloha ho chesa ka sekhahla le ho hatsetsa, le ho thibela ho kopana le lehlabathe le nang le asiti e ka fokotsang mokhoa ona.

Lintlha tse ka holimo li fanoe keJiangsuOKNewMaterialTechnologyCo.,Ltd.

Haeba u ka rata ho tseba haholoanyane ka lintlha tse qaqileng, maemo a ts'ebeliso, le likhetho tsa ho etsa litloaelo bakeng sa mefuta eohle ea lihlahisoa tsa rona-ho kenyeletsoa lesela la mocheso o phahameng oa PTFE,Teflonhigh -mabanta a mocheso o phahameng, a se nang seamless bakeng sa sekhomaretsi, lesela le le leng PTFE lesela le nang le mocheso o phahameng, le masela a khalase a mocheso o phahameng oa mocheso—ka kopo ikutloe u lokolohile ho ikopanya le mecha e latelang:

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