PTFEavɔ siwo ƒe dzoxɔxɔ deŋgɔ nye nusiwo wotsɔ ƒo ƒu wɔ avɔ si wotsɔ dea tsi alo tsɔa glassfiberbasefabric kple polytetrafluoroethylene(PTFE) tsyɔ edzi.
Ne wometsɔ dzoxɔxɔ gã, dzoxɔxɔ-oxidative nɔnɔmewo, ultravioletradiation, kple mɔ̃ɖaŋunuwo ƒe nuteɖeamedzi ɣeyiɣi didi o, eƒe wɔwɔme toa tɔtrɔ siwo woate ŋu atrɔ tso molecule gbɔ va ɖoa macroscopiclevel.
I.Tɔtrɔ suesuesuewo le PTFECoating me
Molekyulkɔsɔkɔsɔwo ƒe gbegblẽ kple oxidation: Carbon-fluorine ƒe kɔsɔkɔsɔ vevitɔ toa kɔsɔkɔsɔwo ɖeɖe, depolymerization, kple oxidation me, si wɔnɛ be molecule ƒe kpekpeme dzi ɖena kpɔtɔna eye wònana polargroups abe scarbonylandcarboxylgroups le kɔsɔkɔsɔ ƒe nuwuwu ene dzɔna.Esia dzia yame ƒe ŋusẽ ɖe edzi eye wòɖea non-stick nɔnɔmewo kple tsivɔvɔ̃ dzi kpɔtɔna.
Tɔtrɔ le kristalo ƒe nɔnɔme me: Kɔsɔkɔsɔ kpuiwo ƒe akpa siwo le kristalo evelia te.Le gɔmedzedzea me la, kristalo dzina ɖe edzi le mɔ si mesɔ o nu, si wɔnɛ be nusi wotsɔ blae la sesẽna eye wògbãna wu.Ne eƒe gbegblẽ nu sẽna la, kristalo-nutowo tsrɔ̃na eye xɔtuɖoɖoa mu.
Nusuekpɔmɔ̃ ƒe nɔnɔme ƒe gbegblẽ: Nuteɖeamedzi kple nutete nana be nu suesuesuewo ƒe gbagbã kple pindo gbogbo aɖewo dona, si wɔa xɔxlɔ̃mɔ̃wo.Le nɔnɔme sesẽwo me la, nutsyɔnu siwo le anyigba dzi ƒe ʋeʋẽwo kple PTFEnusuewo ɖea wo ɖokui ɖa.
II.Dɔwɔƒe ƒe Tɔtrɔ le GlassFiber Substrate kpleInterface me
Failureoffiber size/couplingagents: Silanecouplingagentsororganicszingingagent ontheglass fibersurface gblẽna eye wowɔa carbon le dzoxɔxɔ sesẽwo me gbã, si wɔnɛ be atikewo ƒe kadodo kple mɔ̃wo ƒe kadodoŋusẽ siwo le PTFE kple glassfiber dome la bu.
Interfacialdebondingandddelamination: Le interface ƒe kpododonu megbe la, vovototo si le dzoxɔxɔ ƒe kekeɖenudɔwɔwɔ ƒe xexlẽdzesiwo dome le PTFE kple glassfiber dome hea dzoxɔxɔ ƒe nuteɖeamedzi vɛ, si kplɔa ame yia edzi eye wòɖea nutsyɔnu la ɖa tso avɔa gbɔ, si wɔnɛ be ʋuʋudedi, delamination, kple teƒe ɣi siwo woɖe ɖe go.
Glass-ka la ŋutɔ ƒe gbegblẽ: Dzoxɔxɔ si lolo kple nu siwo le abe ka ene la gblẽa glass-network la me, si wɔnɛ be kaawo ƒe anyigba megbãna vie eye wògbãna.Le ɣeyiɣi ma ke me la, alkalimetaloxides siwo le glass-fiber la me tsia dzoxɔxɔ sesẽwo me,hea nuteɖeamedzi si gblẽa nu le dometsotsoa ŋu le mɔ si to vovo nu eye wògblẽa nu kabakaba.
III.Tɔtrɔ leMacroscopicStructure kple Dzedzeme me
Amadede ƒe tɔtrɔ: Nuawo trɔna vivivi tso ɣiwo gbɔ va zua beige, blɔ, alo yibɔ gɔ̃ hã, si dona tso carbonization of the interfacial layer, adhesion of the organic contaminants, andresidual products from small orPTFEdegradation.
