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Os » Nyuz » Fabrik we dɛn kɔt wit PTFE » Us strɔkchɔral chenj dɛn kin apin na PTFE ay-tɛmpracha fabrik di tɛm we di pɔsin de ol?

Us strכkchכral chenj dεm de apin na PTFE hכy tεmprachכ fכbכr di tεm we di ol prכsεs de ol?

Views: 0     Author: Sayt Ɛditɔ Pɔblish Taym: 2026-07-15 Ɔrijin: Ples

Aks kwɛstyɔn

PTFEhigh-temperature fabricisacompositematerial we dɛn mek bay we dɛn impregnate ɔ kɔt glas fayba baysfabrik wit politetrafluoroethylene(PTFE).

כndaprolכng εkspכzכn to ay tεmprachכ, tεmכ- כksidεtiv kכndishכn, כltravayכl tradishכn, εn mεkanikal strεs, in strכkchכ כndagεs rεvεrsibl εjεjchεnj frכm di mכlikul to di makroskכpiklvεl.Manufacturers כf PTFEhay-tεmprachכfabrikan dεn כndastand dis prכsεs tru dεn fכs fכs spεkt dεm:

PTFE Fabrik Kompoziyt Matirial.jpg

I.MaykrostrɔkchɔralChɛnjsin diPTFEKɔtin

Mכlikul chen dεgradashכn εn כksidεshכn: Di kabכn-fכrin mεnchεn de כnda chen sεshכn, dipכlimεrayzeshכn, εn כksidεshכn, we de rεsultin dεkrεs in mכlikul wεyt εn di fכmeshכn כf polargrכp dεm we de kכmכt skabכni land kכbכksilgrכp na chen εnd dεm.Dis de inkrεs sכfεs εnεji εn de ridyus nכn-stik prכpati εn haydrofobisiti.

Chenjsinkristaliniti: Sכtchεn segmεnt dεm כnda sεkכndari kristכlayzeshn.Insay di εli stej, kristaliniti de rayz abnכmal wan, we de mek di kכt bi had εn mכr brit.As dεgradashכn de intensif, di kristכlin rijyכn de dεstroy εn di strכkchכ kכlaps.

Dεtεriכshכn כf maykroskכpik mכfכlכji: Dεgradashכn εn shrinkεjstεrεshכn de jεnarεt nכmכrכs maykro-krak εn pinhol dεm, fכm kכrכshכn chεnal dεm.Insεvεr kεys dεm, di kכtin sכfayz pauda εn PTFEpartikl dεm de ditach.

II.StrɔkchɔralChɛnjsin di GlasFaybaSɔbstret ɛnIntafɛs

Failureoffibersazing/couplingagents: Silanecouplingagentssororganicsisingingagentssontheglassfibersurfacedecompose ɛn kabɔnayz na di ay tɛmpracha fɔs, we de mek di lɔs ɔf kemikalbɔndin ɛn mɛkanikal intalɔkfɔs bitwin PTFE ɛn di glas fayba.

Intafeshal dibondin ɛn di lamineshɔn: Afta intafeshal fayl, di difrɛns insay tɛmal ɛkspɛnshɔn kɔfishin bitwin PTFE ɛn glas fayba de jenarayz tɛmal strɛs, we de lid topilin ɛn separeshɔn pan di kɔtin frɔm di fabrik, we de rilizɔt inblistering, dilaminɛshɔn, ɛn we dɛn dɔn ɛksplɔz wayt eria dɛn.

Dεgradashכn כf di glas fayba insεf: Ay tεmprachכ sεndalkaline sכbstans dεm de sכk di glas nεtwכk, we de mek maykro-krak pan di fayba sכfεs εn britlεnt.Meanwhile, alkalimetalכksayd dεm na di glas fayba prεsipitεt na di ay tεmprachכ, indyuz strεs kכroshכn we de damej di intafεs bad bad wan εn aksεlεrat strεngth lכs.

PTFE we dɛn kɔt wit fabrik.jpg

III.ChenjsinMakroskopikStrɔkchɔ ɛn Apɛndiks

Kɔlɔchɛnj: Di matirial de chenj smɔl smɔl frɔm wayt ɔ natural kɔlɔ to beij, brawn, ɔ ivin blak, we de rilizɔt frɔm kabɔnayzeshɔn ɔf di intafays layt, adheshon ɔf ɔrganik kɔntaminɛnt, ɛn sidyual prodakt frɔm minɔrPTFEdigradɛshɔn.

Dimenshɔnal stebiliti ɛn flatnɛs: Shrinkagedifɔmeshɔn kin apin, di fabrik sɔfa kin bi wan we nɔ ivin, ɛn di skɔl.Dis na di rizɔlt fɔ mɔlikul chen disoriɛnteshɔn ɛn intafays strɛs rilis.

Surfaceroughening: Di smol smol fil de disappear, en di surface decomerough en lossesitsgloss.In sevεr kes dεm, dεn de si pauda we dεn tכch am, we de sho se PTFEpowdering.

Mεkanikal strכkchכral kכlaps: Di mεtirial kכmplitli lכsfleksibiliti εn brεk pan fold.Di kכt εkstensivli sεparayt frכm di bεsfabrik, we de rizulta intotalכsכfכnshכnaliti.

PTFE_Fabrik_Kεmikכl_Paiplayn_Layning.png

IV.Di Esεns כf diAgingProses

Di chenj dεm we de oba de kכnstכt wan prכgrεsiv prכsεs fכ'kotin dεgradashכn→intafεshal fεil→sabstεrayt dεgradashכn.'PTFElכs sinertnεs εn de divεlכp krak; di glas fayba intafεys dεstroy bifo di fayba bכdi insεf, we de lid to dεlaminεshכn; כlti mately, di entire ristructurecomes brittle, powders,and disintegrates.Kɔntrol di opareshɔn tɛmpracha, avɔyd tɛmalshɔk frɔm rɔpiddɛtin ɛn kol, ɛn prɛvɛnt kɔntakt wit asid sandalkaliskan ifɛktiv wan slowdɔwn dis strɔkchɔral ej prɔses.

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