Nin barokun bɛ kuma baarakɛcogo minnu bɛ se ka kɛ Teflon fini funteniman na batiri solide-state baarakɛyɔrɔ la min bɛ ka bɔ kɛnɛ kan. Yɔrɔ naani : Elektɔri/ɛlektrɔli membrane jalen dilanni — funteni caman bɛ kɛ ka fɛnw ta minnu bɛ se ka wuli ka wuli ka wuli (150-250°C) minnu bɛ se ka kɛ sababu ye ka filimuw bɔ u yɛrɛ la ka ɲɛ wuluwulu funteni datugulan ye i n’a fɔ jirisunba kɛlɛli layini tilancɛ banbali; a bɛ filimu sanfɛla nɔgɔya, ka dɔ bɔ fiɲɛw la, ka sɔrɔ ɲɛ. Layidu talenw ni kushioning pads walasa ka densification kɛ ni funteni ye — sulfure/polimɛri batiriw mago bɛ isostatic/flat pressing funteni na (100-300°C, MPa tan); PTFE fini min bilalen bɛ batiri kulu ni mɔbili cɛ, o bɛ nɔrɔli bali, ka se ka tansiyɔn tilatilali kɛ cogo kelen na mikro-elasitiki fɛ, ka tasumabɔlanw lakana.

Nin barokun bɛ fɛn caman sɛgɛsɛgɛ PTFE molekiyɔmu cakɛdaw la fɛn caman Changements dans la radiation ultraviolet. Cakɛda kunbabaw tigɛcogo ani molekiyɔmu girinya dɔgɔyali : UV (254nm, 471 kJ/mol) bɛ CC jɛɲɔgɔnyaw tiɲɛ (347 kJ/mol), o bɛ kɛ sababu ye ka homolyse (homolyse) kɛ, ka CF2-terminated free radicals lawuli, ka molekiyɔmu girinya jigin kosɛbɛ, ka gɛlɛya ni janya bɔnɛ. Radikal hɔrɔnmaw ka waleya siraw : oksizɛni kɔnɔ, perokisi radikaliw bɛ sɔrɔ, u bɛ labɛn kokura ka kɛ asili fluoride (—COF) ni asidi karɔbɔziliki (—COOH) laban kuluw ye, ka COF2 ni CO2 bɔ (COF2 bɛ ji la ka kɛ HF ye) fiɲɛw la minnu tɛ baara kɛ, disproportionation/recombination de bɛ fanga sɔrɔ, nka cakɛda scission bɛ to ka caya.

Nin barokun bɛ kuma Teflon fini min bɛ funteni caman na, o kɛli kan spacesuit thermal insulation layers kɔnɔ. Fɛnɲɛnɛmafagalan : Fibreglasi fini min datugulen don ni PTFE ye, n’a bɛ fɔ aerospace la ko Beta fini, o bɛ finiw sɛgɛsɛgɛli ni PTFE ka sigida laminiko juguba fara ɲɔgɔn kan. Jɔrɔ : Thermal Micrometeoroid Garment (TMG) kɛnɛma-yɔrɔ min bɛ mobili kɔkanna-taama yɔrɔw la, min ɲɛsinnen bɛ bɔgɔlan ma, funteni hakɛ dantɛmɛnenw, ani mikrometeoroyidiw i n’a fɔ farikolo/suma barika fɔlɔ ye kɔnɔna filimuw la minnu bɛ kɛ ni aliminisi ye. Lamini lakanani kojugu : a bɛ -200°C fo +260°C hakɛ muɲu (a ɲɛsinnen bɛ tile ma >120°C fo ka se biɲɛ ma -160°C); yɔrɔ finman bɛ tile yeelen jira; a bɛ poliimidi aliminisi filimu nɔgɔlenw lakana ka bɔ sɔgɔsɔgɔninjɛ ni ɲɛjibɔ la. Lamaga dɛmɛni : PTFE sanfɛla min ka dɔgɔn, o bɛ layɛrɛw sɔgɔli bali joli kuru waati la, o bɛ EVA ka sɛgɛsɛgɛli sabati.

Nin barokun bɛ Teflon fini min funteni ka bon, o nafaw ɲɛfɔ batiri litiyamu elekitorode jalen na. A bɛ kɛ i n’a fɔ fɛnw tacogo walima foro kɔnɔ fɛnw, ka gɛlɛya jɔnjɔn saba ɲɛnabɔ: sɔgɔsɔgɔninjɛ nɔrɔli, sɔgɔli, ani elekitorode sɔgɔli. Nafa naani : Elektɔri jogo ni a sɔrɔcogo — a bɛ se ka PVDF sirilan nɔrɔli bali min bɛ se ka kɛ sababu ye ka sɔgɔli dafalen nɔgɔya; funteni min bɛ kɛ cogo kelen na 100-140°C la, o bɛ kari/jeni bali; yɔrɔ nɔgɔlen bɛ sɔgɔsɔgɔninjɛ ni mugu bɔli ban; Muɲuli ni baarakɛcogo sabatili — kemikɛli ka se ka NMP furaji ni ɛlektrɔli lafiɲɛbɔlanw kɛlɛ k’a sɔrɔ a ma funu/kɔrɔya; sɔgɔli fanga ka bon ani hakɛ sabatili ka bɔ fibreglasi substrat la walasa ka a jɔyɔrɔ tigitigi sɔrɔ; saniya nɔgɔn ni tolen fitinin ye ni i y’a suma ni nɛgɛ cɛsirilanw ye.

Nin barokun bɛ kuma layini teliya hakɛ danmadɔ kan PTFE ka finimugu impregnation production line funteni caman na. Teliya cogoya : mɛtɛrɛ 2-15 miniti kɔnɔ, baarakɛyɔrɔ sabatilen mɛtɛrɛ 3-8 miniti kɔnɔ, fini finmanw/teliyaba layiniw fo ka se mɛtɛrɛ 10-15 ma miniti kɔnɔ. Dankarili minnu bɛ bɔ fɛnɲɛnamafagalan doncogo la : fini ka kan ka fa pewu ni PTFE emulsion ye ka don fiyɛri kulu kɔnɔna na — teliya kojugu bɛ kɛ sababu ye ka fɛnɲɛnamafagalanw doncogo dafa, ka resin kɔngɔ ani fiɲɛ jalenw emulsion viscosité, solides concentration, fabric weave density bɛɛ bɛ dɔ bɔ doncogo hakɛ la, o bɛ teliya dɔɔni de wajibiya finimugu gɛlɛnw/densɛriw ma. Datugulan tɛmɛsira : tɛmɛsira caman (2-6+) minnu ka kan ka kɛ walasa ka finimugu denso sɔrɔ min tɛ fiɲɛ bila; tɛmɛko fɔlɔ bɛ sumaya ankɔri kama, tɛmɛsira nataw bɛ se ka caya dɔɔni dɔɔni.

Nin barokun bɛ silisi hakɛ ni a kɛcogo ɲɛfɔ, silisi caman bɛ gilasi fiyɛri fini na. Silisi hakɛ ɲɛfɔli : a jiralan koloma ye SiO2 ≥96% ye (standard 96-98%, premium grades >99% via acid leaching and sintering, ka gɛrɛ quartz fibre saniyalen na). A dilanni : E-glasi fini bɛ asidi funteni wuli walasa ka fɛnw wuli minnu tɛ silisi ye (ɔkisidi borɔni, ɔkisidi sodiyɔmu), o bɛ kɛ sababu ye ka kolotugudaw dilan minnu ka ca ni silika caman ye, o kɔfɛ u bɛ sinter walasa ka densification kɛ. Nafa jɔnjɔnw : baara kɛli banbali 900°C la fiɲɛw la minnu bɛ oksidan sɔrɔ, waati kunkurunnin kɔnɔ ka tɛmɛ 1200°C kan, a nɔgɔyayɔrɔ bɛ 1700°C kɛrɛfɛ; kemikɛli sabatili asidi/alkali fanba kama fo HF ni asidi fosifɔriki funteni; dielektriki basigilen dɔgɔyalen ani insulasi sabatilen funteni caman na.

Nin barokun bɛ kuma Teflon fini funtenimanba delamination phenomenon kan. Delamination bɛ tali kɛ farali ni sɔgɔli la surface PTFE finimugu ni kɔnɔna fibreglasi basigilen fini cɛ walima finimugu caman cɛ. A jiracogo ɲɛnamaw : kurukuru/bugun (bugun kɔrɔtalen ni kɔnɔnafili ye) i n’a fɔ taamasiɲɛ fɔlɔw; interlayer peeling ni coating bɛ bɔ nɔgɔya la sɛbɛnw kɔnɔ minnu bɛ fibreglasi fin jira; sigida finman bɛ tugu ɲɔgɔn kɔ ka kɛ flakɛ ye funteni/sɔgɔli kɔfɛ. A sababuba : Sumaya degun tiɲɛni — funteni bonya coefficients danfaralenw PTFE ni fibreglasi cɛ bɛ kɔnɔna degun lase, funteni/nɛnɛ teliya sɛgɛsɛgɛli bɛ kɛ sababu ye ka bɔli kɛ Sɛnɛfɛnw dilanni jogoɲumanya dɛsɛ — fibreglasi sanfɛla furakɛli kɛcogo ɲuman, PTFE impregnation jugu, sintering dafalen min bɛ kɛ sababu ye ka interfacial bonding barika dɔgɔya.

Nin barokun bɛ Teflon fini min ka funteni ka bon, o ka mikrosɔrɔcogo ɲɛfɔ. Substrat skeleton : gilasi fibre weaving texture in plain/twill weaves with high porosity (micron-scale pores within fibre bundles and at warp-weft nodes) o bɛ yɔrɔ di PTFE impregnation ma. Coating morphology: full impregnation encapsulation forming 'reinforced concrete' structure yɔrɔ min na gilasi fiyɛw bɛ barika don fasa la, PTFE ye matiriyali ye min bɛ taa ɲɛ surface nodular microstructure of nodules (particules) minnu sirilen don ɲɔgɔn na ni fibril finw ye minnu bɛ sɔrɔ sintering waati; fari denso min bɛ to senna (a janya bɛ se mikron damadɔ ma fo ka se mikron tan ma) PTFE saniyalen na i n’a fɔ barika jɔnjɔn min bɛ kɛ sababu ye ka kemikaliw ka baarakɛbaliya, a tɛ nɔrɔ, ani kuran sɔgɔli.

Nin barokun in bɛ PTFE fini funteni caman na, a jɔcogo caman sɛgɛsɛgɛ kɔrɔya waati. Fɛn naani : PTFE coating microstructure — molecular chain scission and oxidation (carbonyl/carboxyl group formation), kristalini caman cili (a wuli joona ka sɔrɔ ka bin), micro-crack ni pinhole formation, surface powdering Glass fibre substrate ani interface — sizing/coupling agent decomposition min bɛ kɛ sababu ye ka bonding bɔnɛ, interfacial debonding ani delamination (blistering, white areas), glass fibre network erosion ani embrittlement, alkali metal oxide precipitation min bɛ kɛ sababu ye ka stress corrosion kɛ Makɔrɔskɔpi jɔcogo ni a yecogo — kulɛri caman yeli (nɛrɛma→bɛrɛn→bɛrɛn→nɛrɛ), sɔgɔsɔgɔninjɛ bɔgɔbɔgɔli ni a kurulen, a sanfɛla gɛlɛyali ani a yeelen bɔli, mugu kɛli ni magara a la, a bɛ se ka wuli pewu. Kɔrɔya kunba: 'coating degradation → interface failure → substrate degradation.' taabolo min bɛ taa ɲɛ.

Nin barokun bɛ kuma PTFE fini funtenimanba ka sintering waati kɔlɔsili cogo kan. Core control fɛɛrɛ : layini teliya ladilanni. Sintiri waati = funteni yɔrɔ janya nafama ÷ fini taama teliya. Sintirili hakɛ min bɛ se ka kɛ, o ye 350°C ye (o funteni sanfɛ, o bɛ jate sɛnɛ waati ye). Funteni tilatilali yɔrɔ caman na : ka kɔn ka sumaya (100-250°C), ka sɔgɔsɔgɔ (360-395°C), ka funteni caman sigi (380-390°C), ka nɛnɛ (300°C duguma). Ladilikan waatiw 380-390°C la: a ka nɔgɔn (0,08-0,13mm) segin 30-60; sariya (0,18-0,25mm) miniti 1,5-3; girinya (≥0,35mm) miniti 3-5. A dɔnni ni a ladilanni : sɔgɔsɔgɔninjɛ dɔgɔyali (fanga dɔgɔyali, mugu bɔli, mikro-kari) → ka teliya dɔgɔya walasa ka waati janya; sɔgɔsɔgɔninjɛ kojugu (ka jɛ, ka kari, ka sisi finman) → ka teliya bonya walasa ka sigiyɔrɔ surunya. Funteni ni waati bɛnkan bɛ sira Di sɔgɔsɔgɔninjɛ teliya la funteni caman na (395-405°C, segin) walima sɔgɔli teliya la funteni dɔgɔman (360-375°C, miniti 5-8).