Nigute Teflon imyenda yo hejuru yubushyuhe ikoreshwa muburyo bwo kubika ubushyuhe bwimyanya yimyanya?

I. Ibyingenzi Byibanze hamwe nu mwanya mu myanya

1. Ibigize: Imyenda ya PTFE isize Fiberglass

Mu kirere cyo mu kirere, iyi Imyenda ya Teflon yubushyuhe bwo hejuru yitwa imyenda ya Beta. Ikoresha imyenda ikomeye ya fiberglass nka substrate, yatewe inda cyangwa igashyirwa kumurongo winyuma hamwe na polytetrafluoroethylene (PTFE, ni ukuvuga Teflon). Ibi bihuza guhinduka kwimyenda hamwe nubusumbane bukabije bwibidukikije bya PTFE.

2. Uruhare: Intwaro yo hanze yimyenda ya Thermal Micrometeoroid

Nk’uko byatangajwe na Teflon abakora imyenda yo mu rwego rwo hejuru: Muri sisitemu yo kubika ibyiciro byinshi byimikorere idasanzwe (EMUs), ikora nk'urwego rwo hejuru rw'imyenda ya Thermal Micrometeoroid (TMG), ihura neza na vacuum, itandukaniro ry'ubushyuhe bukabije, na micrometeoroide. Ikora nka bariyeri yumubiri nubushyuhe bwa mbere kumurongo wa cumi cyangwa irenga imbere ya firime ya aluminiyumu.

II. Ibidukikije bikabije byubushyuhe no kurinda imiterere

1. Kurwanya Ubushyuhe Bwinshi Itandukanye nubushuhe bwumuriro

Imyenda ya Teflon yubushyuhe bwo hejuru irashobora kwihanganira igihe kirekire ubushyuhe buri hagati ya -200 ° C na + 260 ° C, bitwikiriye ihindagurika rikabije rya hejuru ya 120 ° C kuruhande rwizuba rireba izuba kandi rikamanuka kuri -160 ° C kuruhande rwigicucu. Ubusanzwe ubuso bwera bugaragaza neza imirasire yizuba, bikagabanya cyane kwinjiza ubushyuhe no gukomeza ubushyuhe bwimbere.

2. Kurinda Fragile 'Ubushyuhe Bwinshi '

Ikora nkuruhu rukomeye, rworoshye, rutanga uburibwe, kurira amarira, no kwambara kurinda ibyuma byoroheje cyane kandi byangiritse byoroshye bya firime ya polyimide. Ibi byemeza ubusugire bwimyanya myinshi ya vacuum kandi bikarinda kunanirwa nubushyuhe buterwa no kwangirika kwinyuma.

III. Imfashanyo yimuka nibiranga umutekano wibikoresho

1. Ubuvanganzo buke hamwe nibintu birwanya kurwanya

Coefficient nkeya cyane yo guterana hejuru ya PTFE iha umwenda winyuma hamwe nudukoni, ibiranga neza. Iyo abahanga mu bumenyi bw'ikirere bunamye amaboko cyangwa ingingo z'umubiri, ibice ntibibuza kugenda cyangwa ngo bitere tangale bitewe no guterana kwinshi, bigatuma ibintu bihinduka mugihe cyibikorwa bidasanzwe, nkuko byagaragajwe nabakora Teflon bakora ubushyuhe bwo hejuru.

2. Kubura umuriro no kutagira imiti

Imyenda fatizo ya fiberglass isanzwe idashobora gukongoka, kandi igipfundikizo cya PTFE ni flame-retardant na chimique ihagaze neza cyane, irashobora kurwanya isuri ituruka kubintu bikomeye bya okiside nka ogisijeni ya atome mu kirere. Mu mateka yakoreshejwe mu mateka meza ya ogisijeni yuzuye, uku kutagira umuriro no kurwanya ruswa byari ingenzi ku mutekano w’ibyogajuru.

IV. Ibyingenzi Byakoreshejwe hamwe nubwihindurize bugezweho

1. Imyenda ya Beta mugihe cya Apollo - Yerekanwe mubikorwa

Umwanya w'ukwezi kwa Apollo A7L wakoresheje cyane imyenda ya Beta kurwego rwo hanze, ugahangana neza nubushyuhe bwo hejuru bwukwezi kurenga 100 ° C, kwanduza umukungugu wukwezi (hejuru ya PTFE irwanya ivumbi kandi byoroshye kuyisukura), ningaruka za micrometeoroide. Ibi byemeje ko byiringirwa mubutaka bwose n'ubushyuhe bukabije.

2. Ubwihindurize kuri Ortho-Imyenda muri EMU zigezweho

Ku myanya ikoreshwa mu kirere cyogajuru hamwe na sitasiyo mpuzamahanga yo mu kirere, igice cyo hanze cyahindutse imvange ya Ortho-imyenda. Yakozwe muri fibre yagutse ya PTFE (Gore-Tex), Nomex, na Kevlar. Muri rusange, iracyashingira kuri Teflon ishingiye ku kirere, kurwanya umukungugu, no kwihanganira ubushyuhe bwo hejuru, mu gihe hinjizwamo izindi fibre kugira ngo zongere imbaraga n’umuriro. Yabaye intwaro ntangarugero yo hanze ihuza kurinda ubushyuhe, kurinda imashini, hamwe nubufasha bwimikorere.

Amakuru yavuzwe haruguru yatanzwe na Jiangsu OK Ibikoresho bishya byikoranabuhanga Co, Ltd.

Niba wifuza kumenya byinshi kubyerekeranye nibisobanuro birambuye, ibintu bisabwa, hamwe nuburyo bwo guhitamo ibicuruzwa byacu byose - birimo imyenda yo mu rwego rwo hejuru ya Teflon, kaseti ya Teflon yo mu rwego rwo hejuru, imikandara ya Teflon yo mu rwego rwo hejuru, imikandara y’imashini ifata ibyuma, umukandara wa PTFE uruhande rumwe, hamwe na fibre yubushyuhe bwo hejuru.

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