Yiziphi izici ze-microstructural zendwangu ye-Teflon ephezulu yokushisa?

I. I-Substrate Skeleton: I-Glass Fiber Weaving Texture

1. I-Warp-Weft Interwoven Structure

I Indwangu yenziwe ngentambo yengilazi enemicu eminingi ethafeni, i-twill, noma eminye imiluko ukuze yakhe uhlaka lwamathambo anezikhala, ezinobubanzi obungabodwa be-monofilament obusuka kuma-microns ambalwa ukuya kuma-microns angaphezu kweshumi, kanye nendawo ebushelelezi.

2. High Porosity

Ngaphambi kokumbozwa, kunezimbotshana eziningi zesikali se-micron kokubili ngaphakathi kwenqwaba yefiber kanye nasezindaweni ezihlanganayo ze-warp-weft, okunikeza isikhala sokumilela kwe-PTFE okulandelayo.

II. I-Coating Morphology: 'I-Island-Coating' Ukwakheka kwe-PTFE

1. Okugcwele Impregnation Encapsulation

I-PTFE resin ingena ezikhaleni phakathi kwefilament ngayinye, yenze 'ukhonkolo oqinisiwe'-uhlobo lwenhlanganisela, lapho imicu yengilazi isebenza njengesigaba sokuqinisa futhi i-PTFE isebenza njenge-matrix eqhubekayo. Esigabeni esiphambanayo, imicu ingabonakala ishumekwe ngokulinganayo ngaphakathi kwe-resin.

2. I-Surface Nodular Microstructure

Indawo ehlanzekile ye-PTFE ibonisa i-morphology yenethiwekhi ehlukile yama-nodule (izinhlayiya) ezixhunywe ama-fibrils amahle, okwakhiwa ukuhlanganiswa kwe-lamellae egoqiwe ngesikhathi senqubo ye-sintering, enikeza izakhiwo ezingezona induku nezizigcobisayo endabeni.

3. Ungqimba Lwesikhumba Oluminyene Oluqhubekayo

Ungqimba olungaphezulu lunothiswe nge-PTFE emsulwa, yakhe ifilimu lesikhumba eliminyene, elingenangilazi-fiber eliwugqinsi ukuya kwamashumi ama-microns obukhulu, okusebenza njengesithiyo esiyinhloko sokungangeni kwamakhemikhali, izakhiwo ezingezona izinti, kanye nokufakwa kukagesi.

III. Amaphutha Abalulekile: I-Microporosity kanye ne-Interface Characters

1. Ama-Residual Micropores

Ukumilisa okungaphelele noma ukuncipha ngesikhathi sokucwilisa kungase kushiye i-void yesikali esincane noma imifantu phakathi kwenqwaba yefiber kanye namanodi axhumanisayo, okuholela ekunciphiseni kokusebenza kokukhululwa kanye nokumelana namakhemikhali.

2. I-Interface Bonding

Imicu yengilazi kanye ne-PTFE akuhambisani; nge-microscopically, imigodi ebushelelezi eshiywe i-fiber pull-out ingabonwa. Ngokwelashwa kwe-ejenti yokuhlanganisa noma ukuxhumanisa ngomshini, i-PTFE iqinisa ngokuqinile amafayibha, ithuthukisa amandla ebhondi ehlangene ebusweni.

IV. Izimpawu Zesifunda Esijiyile: Isakhiwo Se-Semi-Crystalline

1. Ama-Spherulites namakristalu anebhande

I-PTFE i-semi-crystalline polymer. Ngemuva kokucwenga okujwayelekile, kukhombisa ukuphilisana kwama-spherulites namakristalu anebhande, enobucwebe obuvamise ukusuka ku-50% ukuya ku-70%, kanye nokuhlelwa kahle kwamaketango wamangqamuzana.

2. Umphumela we-Crystallinity

Icrystallinity ephezulu inika impahla ukumelana nokushisa kwesikhathi eside kufika ku-260°C kanye nokukhasa okuphansi kwezinga lokushisa eliphezulu. I-sintering ngokweqile noma i-sintering engaphansi ingaholela esimweni esingavamile se-crystalline, kufinyeze impilo yesevisi.

Ulwazi olungenhla luhlinzekwa ngu I-Jiangsu Aokai New Material Technology Co., Ltd.

Uma ungathanda ukufunda okwengeziwe mayelana nokucaciswa okuningiliziwe, izimo zohlelo lokusebenza, nezixazululo zokwenza ngokwezifiso uhla lwethu olugcwele lwemikhiqizo, okuhlanganisa indwangu ye-Teflon eshisa kakhulu, itheyiphu ye-Teflon yokushisa ephezulu, amabhande anezikhala e-Teflon okushisa aphezulu, amabhande angenamthungo okuthutha imishini yebhondi, indwangu eqinile ye-PTFE enohlangothi olulodwa, ukumelana nokushisa okuphezulu, ukumelana nokushisa okuphezulu. Indwangu ye-fiberglass, sicela ukhululeke ukuxhumana nathi ngokulandelayo:

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