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PTFE Tape Radiation Resistance: Moo e sebetsang le moo e hlolehang

Maikutlo: 0     Mongoli: Nako ea Phatlalatso ea Mohlophisi oa Sebaka: 2026-05-27 Tšimoloho: Sebaka

Botsa

Litsing tsa ho lokisa lijo, lifekthering tsa lisebelisoa tsa bongaka, le lits'ebeletso tse ling tsa indasteri, mahlaseli a gamma kapa maballo a elektrone a sebelisoa bakeng sa ho thibela likokoana-hloko. Haeba u hloka ho e sebelisa Theipi ea PTFE ea mocheso o phahameng maemong ana - kapa ho feta moo, setsing sa motlakase oa nyutlelie - o tlameha ho utloisisa meeli ea eona ea ho hanyetsa mahlaseli.

Karabo e khutšoanyane: PTFE e kotsing e kholo ea mahlaseli a ionizing. E sebetsa hantle lits'ebetsong tsa litekanyetso tse tlase (joalo ka ho thibela lijo) empa e hloleha haholo ho litekanyetso tse phahameng.

Aokai PTFE e lekile litheipi tsa PTFE tlasa maemo a fapaneng a mahlaseli. Sehlooho sena se hlalosa mekhoa ea ho senyeha, menyako ea tekanyo, le moo u sa lokelang ho sebelisa tepi ea PTFE.

3.15aokai.png

'Nete ea mantlha - PTFE e na le khanyetso e mpe ea mahlaseli

Karolo ea mantlha ea tepi ea PTFE e phahameng ea mocheso ke polytetrafluoroethylene (PTFE). Ho fapana le botsitso ba eona bo botle ba mocheso le lik'hemik'hale, PTFE e kotsing e kholo ea mahlaseli a ionizing a kang mahlaseli a gamma le mahlaseli a electron.

Hobaneng? Mahlaseli a senya libonto tsa carbon-fluorine (CF) le mokokotlo oa polymer, e leng se bakang ho tsitsinyeha ha ketane ea limolek'hule. Thepa e fetoha brittle mme e lahleheloa ke matla a mochine.

Tlhaloso e sebetsang: Theipi ea PTFE e loketse feela tikoloho e nang le mahlaseli a tlaase. Ka kakaretso e thibetsoe bakeng sa maemo a mahlaseli a phahameng joalo ka li-nuclear reactor cores kapa li-loops tsa mantlha.

PTFE_Radiation_Degradation_Mechanism.png

Ho senyeha ha Ts'ebetso Tlas'a Radiation - Ka Lipalo

Ha o pepesehetse mahlaseli, liketane tsa limolek'hule tsa PTFE lia robeha, e leng se bakang ho theoha ho hoholo ha thepa ea mochini. Liphetoho tse khethehileng li bontšitsoe ka tlase:

Lethal dose ea mahlaseli

Tikoloho

Phello ho PTFE

1 kGy (0.1 Mrad)

Moea

Matla a tsitsitseng a theoha ho ~ 25% ea boleng ba pele

10 lik'hilograma

Moea

Ebrittlement ea bohlokoa; ho petsoha bokahodimo ho qala

100 kGy

Moea

Ho senyeha ho matla; teipi e ka senyeha ha e sebetsoa

1 MGy (1000 kGy)

Moea

tahlehelo ea bolelele ho fihla ho 87% ; tahlehelo ea matla 54%

Lintlha tse ling:

  • Sebakeng se se nang moea (vacuum, nitrogen, kapa deuterium), ho senyeha hoa lieha empa ho ntse ho ke ke ha qojoa.

  • Thermal-radiation coupling (mocheso o phahameng + radiation) e potlakisa botsofali ho ea pele.

Aokai PTFE e eletsa bareki hore theipi ea rona e tloaelehileng ea PTFE e tšoaneleha bakeng sa ho thibela lijo (≤10 kGy) le ho thibela lisebelisoa tsa bongaka ka potoloho e le 'ngoe (≤50 kGy). Bakeng sa litekanyo tse eketsehileng tse ka holimo ho 100 kGy kapa linako tse ngata tsa ho thibela likokoana-hloko, re khothaletsa ho fetohela ho tepi ea polyimide.

PTFE_Radiation_Dose_Strength_Curve.png

Lintlha tsa Tikoloho tse Potlakisang Tšenyeho

Ntlha

Phello ho PTFE Tlas'a Radiation

Atmosphere (oksijene)

Oksijene e potlakisa ho senyeha - li-radicals tsa mahala li sebetsana le O₂, e bakang scission e eketsehileng ea ketane.

Sepakapaka se se nang moea (vacuum/N₂)

Ho fokotseha ho fokotsehile empa ho ntse ho le bohlokoa - ho ke ke ha qojoa ka ho feletseng

Mocheso o phahameng

Thermal-radiation coupling effect - botsofali bo potlakisa haholo

Mongobo

Mongobo o ka 'na oa khothalletsa hydrolysis ea holim'a metsi, ho mpefatsa embrittlement

Tataiso e sebetsang: Haeba o tlameha ho sebelisa tepi ea PTFE sebakeng sa mahlaseli a kotsi a tlaase a nang le moea o teng, e nke sebaka khafetsa. Ka khase ea vacuum kapa inert, bophelo boa atolosoa empa ha bo na moeli.

Maemo a sebetsang le Litemoso tsa Kotsi

Kopo

Tloaelehileng lethal dose

PTFE Tape Ho lekana

Ho thibela lijo

1-10 kGy

E ntle - ha ho na tšenyo e bonahalang

Sesebediswa sa bongaka se bolayang dikokwana-hloko

15-50 kGy (potoloho e le 'ngoe)

E a amoheleha - e ka fetoha brittle kamora lipotoloho tse ngata

Lisebelisoa tsa meriana

10-25 kGy

E a amoheleha - nkela sebaka ka mor'a potoloho e 'ngoe le e' ngoe bakeng sa tšebeliso ea bohlokoa

Libaka tseo e seng tsa mantlha tsa limela tsa nyutlelie (mohlala, ho lokisa lipeipi)

Tekanyetso e tlase, PTFE e fetotsoeng ea hlokahala

⚠️ Hafeela e fetotsoe ka ho khetheha - PTFE e tloaelehileng ha e khothalletsoe

Maemo a Mahlaseli a Phahameng a ho Qoba (> 100 kGy)

Kopo

Cumulative lethal dose

Hobaneng PTFE e hloleha

Mokhoa o Motle

Konokono ea 'nuclear reactor'.

>1 MGy

Lintho tse bonahalang lia putlama

Polyimide (Kapton) kapa PEEK

Likarolo tsa mantlha tsa loop

100 kGy - 1 MGy

Khatello e matla

Polyimide / PEEK

Spacecraft bokantle

Mahlaseli a matla a phahameng a matla

Ha e khone ho mamella ho pepeseha ha nako e telele

Polyimide / PEEK

Sterilization ea tekanyo e phahameng ea gamma (>100 kGy)

>100kGy

Tahlehelo ea matla >80%

Polyimide

PTFE_vs_Kapton_PEEK_Radiation_Strength.png

Kakaretso - Tseba Moeli

Maemo a lethal dose ea mahlaseli

PTFE Tape Tshebetso

Keletso

< 10 kGy (ho thibela lijo)

Ha ho na ho senyeha ho bonahalang; thepa ea mochini haholo bolokoa

E bolokehile hore e ka sebelisoa

10 - 50 kGy (ho sterilization ea bongaka)

Ba bang ba embrittlement; matla a matla a fokotsehile 30-50%

⚠️ Sebelisa hang, ebe u khutlisetsa

50 - 100 kGy

Ebrittlement e matla; ho petsoha bokahodimo

Ha e khothalletsoe

> 100kGy

Lintho tse senyehang; e ntša likhase tse senyang

E thibetsoe - sebelisa polyimide kapa PEEK

Ntho ea bohlokoa: Ho hanyetsa mahlaseli a fokolang ke moeli o moholo oa tepi ea mocheso o phahameng oa PTFE . E loketse feela tikolohong ea mahlaseli a lethal dose e tlase (lijo le sterilization ea bongaka). E fana ka khanyetso e ntle haholo ea mocheso o phahameng le botsitso ba lik'hemik'hale maemong ao. Bakeng sa libaka tse nang le mahlaseli a mangata a kang li-reactors tsa nyutlelie kapa lifofa-sebakeng, ho tlameha ho amoheloe lisebelisoa tsa profeshenale tse hananang le mahlaseli.

Ka kakaretso , theipi ea PTFE ha se thepa e hanyetsanang le mahlaseli. Ka 1 kGy feela ea ho pepeseha ha gamma, matla a eona a tsitsitseng a theohela ho 25% ea a pele. E loketse feela lits'ebetso tsa tekanyetso e tlase joalo ka lijo le sterilization ea bongaka (≤50 kGy). Bakeng sa lithamo tse eketsehileng tse ka holimo ho 100 kGy - joalo ka li-nuclear reactor cores, li-loops tsa mantlha, kapa bokantle ba sefofane - PTFE ha ea lumelloa.

Haeba ts'ebeliso ea hau e kenyelletsa mahlaseli, qala ka ho tseba hore na ho lebelletsoe lethal dose le eketsehang. Ka tlase ho 10 kGy, theipi ea PTFE e sebetsa hantle. Pakeng tsa 10-50 kGy, sebelisa hang 'me u nke sebaka. Ka holimo ho 50 kGy, fetohela ho polyimide kapa PEEK.

U hloka thuso ho khetha theipi e nepahetseng bakeng sa tikoloho ea mahlaseli? Aokai PTFE e ka fana ka lintlha tsa tlhahlobo tse khethehileng tsa litekanyetso le likhothaletso tse ling. Ikopanye le rona ka mohloli oa radiation, tekanyetso e lebelletsoeng, le lintlha tsa kopo.

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

Haeba u lakatsa ho tseba haholoanyane ka lintlha tse qaqileng, maemo a ts'ebeliso, le litharollo tse ikhethileng tsa mohala oa rona o felletseng oa sehlahisoa, ho kenyeletsoa lesela la PTFE, tepi ea mocheso o phahameng oa PTFE, lebanta la mocheso o phahameng oa mocheso oa PTFE, lebanta la mochini o se nang mochini, lesela le nang le lehlakore le le leng la PTFE, lesela le nang le lehlakore le le leng la PTFE, lesela le nang le mocheso o phahameng oa mocheso le fiberglass mahala ho ikopanya le rona:

Re khomarela filosofi ea botsebi le botšepehi, 'me re ikemiselitse ho u fa tharollo ea nako e le' ngoe le litšebeletso tse nahanang.

Tlhahiso ea lihlahisoa

Sehlahisoa Botsa

Lihlahisoa tse amanang

Lintho tse Ncha tsa Jiangsu Aokai
AoKai PTFE ke setsebi PTFE Coated Fiberglass Fabric Manufacturers le barekisi ba Chaena, ba khethehileng ka ho fana ka PTFE Adhesive Tape, PTFE Lebanta la Conveyor, PTFE Mesh Belt Ho reka kapa ho rekisa lihlahisoa tsa lesela la fiberglass tse koahetsoeng ka PTFE . Bophara bo bongata, botenya, mebala e fumaneha ka mokhoa o ikhethileng.

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