Maikutlo: 0 Mongoli: Nako ea Phatlalatso ea Mohlophisi oa Sebaka: 2026-05-27 Tšimoloho: Sebaka
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.
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.
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.
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.
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 |
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 |
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:
Mong. Guo: +86 18944819998
Mong. Liu: +86 13705266308
Re khomarela filosofi ea botsebi le botšepehi, 'me re ikemiselitse ho u fa tharollo ea nako e le' ngoe le litšebeletso tse nahanang.