Litšobotsi tsa microstructural tsa lesela la Teflon le mocheso o phahameng ke life?

I. Substrate Skeleton: Glass Fiber Weaving Texture

1. Sebopeho sa Warp-Weft Interwoven

The lesela le lohiloe ho tloha ho likhoele tsa likhoele tse ngata tsa khalase ka mokhoa o hlakileng, oa twill, kapa li-weave tse ling ho etsa skeleton ea letlooeng, ka bophara ba monofilament ka bomong ho tloha ho li-micron tse 'maloa ho isa ho li-micron tse fetang leshome, le bokaholimo bo boreleli.

2. Porosity e Phahameng

Pele ho koaheloa, ho na le li-pores tse ngata tsa micron-scale ka har'a likhoele tsa fiber le li-intersection node tsa warp-weft, tse fanang ka sebaka bakeng sa ho kenngoa ha PTFE.

II. Coating Morphology: The 'Island-Coating' Sebopeho sa PTFE

1. Full Impregnation Encapsulation

Resin ea PTFE e kenella ka har'a likheo pakeng tsa khoele e 'ngoe le e' ngoe, e etsa 'konkreite e matlafalitsoeng' -mofuta oa motsoako, moo likhoele tsa khalase li sebetsang e le mohato oa ho matlafatsa 'me PTFE e sebetsa e le matrix a tsoelang pele. Likarolong tse fapaneng, likhoele li ka bonoa li kentsoe ka har'a resin.

2. Surface Nodular Microstructure

Sebaka se hloekileng sa PTFE se bonts'a sebopeho se ikhethileng sa marang-rang sa li-nodule (likaroloana) tse hokahaneng ka li-fibrils tse ntle, tse entsoeng ke ho bokellana ha li-lamellae tse phuthetsoeng nakong ea ts'ebetso ea sintering, e fanang ka thepa e se nang thupa le ea ho itlotsa ho thepa.

3. Lera le Tsoelang Pele le Letenya la Letlalo

Lera le ka holimo le matlafalitsoe ka PTFE e hloekileng, e etsa filimi ea letlalo e teteaneng, e se nang khalase e se nang khalase tse 'maloa ho isa ho mashome a li-microns tse teteaneng, tse sebetsang e le mokoallo oa bohlokoa bakeng sa ho se sebetse ha lik'hemik'hale, thepa e sa thupeng le ho kenya motlakase.

III. Litšitiso tse ka Sehloohong: Litšobotsi tsa Microporosity le Interface

1. Mesaletsa ea Micropores

Ho kenngoa ho sa phetheheng kapa ho fokotseha nakong ea sintering ho ka 'na ha siea li-voids tsa micron-scale kapa mapetsong bohareng ba likhoele tsa fiber le ho li-node tsa interweaving, tse lebisang ho fokotseng ts'ebetso ea ho lokolloa le ho hanyetsa lik'hemik'hale.

2. Interface Bonding

Likhoele tsa khalase le PTFE ha li lumellane; ka microscopically, likoti tse boreleli tse siiloeng ke faeba li hula-tsoa li ka bonoa. Ka phekolo ea li-agent kapa ho kopanya mochine, PTFE e tiisa likhoele ka thata, e ntlafatsa matla a maqhama a sefahleho.

IV. Litšobotsi tsa Naha tse Kokotsoitsoeng: Sebopeho sa Semi-Crystalline

1. Spherulites le Banded Crystals

PTFE ke polymer ea semi-crystalline. Ka mor'a sintering e tloaelehileng, e bontša ho phela hammoho ha li-spherulites le likristale tse kopantsoeng, tse nang le crystallinity hangata ho tloha ho 50% ho ea ho 70%, le tlhophiso e hlophisitsoeng hantle ea limolek'hule.

2. Phello ea Crystallinity

Crystallinity e phahameng e etsa hore thepa e khone ho mamella mocheso oa nako e telele ho fihla ho 260 ° C le mocheso o tlase haholo oa mocheso o phahameng. Ho feta-sintering kapa ka tlase ho sintering ho ka lebisa maemong a sa tloaelehang a kristale, ho khutsufatsa bophelo ba ts'ebeletso.

Lintlha tse ka holimo li fanoe ke Jiangsu Aokai New Material Technology Co., Ltd.

Haeba u ka rata ho ithuta haholoanyane ka lintlha tse qaqileng, maemo a ts'ebeliso, le litharollo tsa ho itlhophisa bakeng sa lihlahisoa tsa rona tse felletseng, ho kenyeletsoa lesela la mocheso o phahameng oa Teflon, tepi ea mocheso o phahameng oa Teflon, mabanta a mocheso o phahameng oa mocheso oa Teflon, mabanta a seamless bakeng sa mechini e tlamang, lesela le le leng le le leng la PTFE, lesela le sa khoneng ho mamella mocheso le mocheso o phahameng. fiberglass lesela, ka kopo ikutloe u lokolohile ho ikopanya le rona ka tsela e latelang:

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