Mawonedwe: 0 Wolemba: Site Editor Nthawi Yosindikiza: 2026-05-27 Origin: Tsamba
M'mafakitale opangira chakudya, mafakitale a zida zamankhwala, ndi malo ena ogulitsa, kuwala kwa gamma kapena mizati ya ma elekitironi imagwiritsidwa ntchito poletsa. Ngati muyenera kugwiritsa ntchito Tepi ya PTFE yotentha kwambiri m'malo awa - kapena choyipitsitsa, mufakitale yamphamvu ya nyukiliya - muyenera kumvetsetsa malire ake okana ma radiation.
Yankho lalifupi: PTFE imakhudzidwa kwambiri ndi ma radiation ya ionizing. Imagwira bwino pamiyeso yotsika (monga kutsekereza chakudya) koma imalephera mowopsa pamilingo yayikulu.
Aokai PTFE yayesa matepi a PTFE pansi pazikhalidwe zosiyanasiyana zama radiation. Nkhaniyi ikufotokoza njira zowonongeka, malire a mlingo, ndi kumene simuyenera kugwiritsa ntchito tepi ya PTFE.
Chigawo chachikulu cha tepi ya PTFE yotentha kwambiri ndi polytetrafluoroethylene (PTFE). Mosiyana ndi kukhazikika kwake kwamafuta ndi mankhwala, PTFE imatha kutengeka kwambiri ndi cheza cha ionizing monga cheza cha gamma ndi ma elekitironi.
Chifukwa chiyani? Ma radiation amathyola zomangira za carbon-fluorine (CF) ndi msana wa polima, zomwe zimapangitsa kuti ma cell chain scission. Zinthuzo zimakhala zowonongeka ndipo zimataya mphamvu zamakina.
Tanthauzo lothandiza: Tepi ya PTFE ndiyoyenera malo okhala ndi ma radiation otsika. Nthawi zambiri ndizoletsedwa pazowonetsa ma radiation apamwamba monga ma nyukiliya a nyukiliya kapena malupu oyambira.
Akakumana ndi ma radiation, PTFE ma cell maunyolo amasweka, zomwe zimapangitsa kuchepa kwakukulu kwamakina. Zosintha zenizeni zikuwonetsedwa pansipa:
Mlingo wa radiation |
Chilengedwe |
Zotsatira pa PTFE |
|---|---|---|
1 kGy (0.1 Mrad) |
Mpweya |
Kulimba kwamphamvu kumatsika kufika ~ 25% ya mtengo woyambirira |
10 kg pa |
Mpweya |
Kusokonezeka kwakukulu; kusweka pamwamba kumayamba |
100 kg |
Mpweya |
Kuwonongeka kwakukulu; tepi ikhoza kusweka ikagwiridwa |
1 MGy (1000 kGy) |
Mpweya |
kuchepa kwa elongation mpaka 87% ; kuchepa kwamphamvu kwamphamvu 54% |
Zambiri:
M'malo opanda mpweya (vacuum, nitrogen, kapena deuterium), kuwonongeka kumakhala pang'onopang'ono koma sikungapeweke.
Kulumikizana kwa ma radiation (kutentha kwambiri + ma radiation) kumafulumizitsa ukalamba.
Aokai PTFE imalangiza makasitomala kuti tepi yathu yokhazikika ya PTFE ndiyoyenera kutsekereza chakudya (≤10 kGy) ndi kutsekereza kachipangizo kachipatala kamodzi (≤50 kGy). Pamilingo yowonjezereka yopitilira 100 kGy kapena kutsekereza kangapo, timalimbikitsa kusinthana ndi tepi ya polyimide.
Factor |
Zotsatira pa PTFE Pansi pa Radiation |
|---|---|
Atmosphere (oxygen) |
Oxygen imathandizira kuwonongeka - ma radicals aulere amachitira ndi O₂, zomwe zimapangitsa kuti ma chain scission |
Mpweya wopanda mpweya (vacuum/N₂) |
Kuwonongeka kumachepetsedwa koma kofunikabe - sikungapewedwe kwathunthu |
Kutentha kwakukulu |
Thermal-radiation coupling effect - kukalamba kumathamanga kwambiri |
Chinyezi |
Chinyezi akhoza kulimbikitsa pamwamba hydrolysis, kuipiraipira embrittlement |
Chitsogozo chothandiza: Ngati muyenera kugwiritsa ntchito tepi ya PTFE pamalo otsika kwambiri okhala ndi mpweya, sinthani pafupipafupi. Mu vacuum kapena gasi wa inert, moyo umatalikitsidwa koma wopanda malire.
Kugwiritsa ntchito |
Mlingo wamba |
PTFE Tepi Yoyenera |
|---|---|---|
Kutsekereza chakudya |
1-10 kg |
✅ Zabwino - palibe kuwonongeka kowonekera |
Medical chipangizo pamwamba disinfection |
15-50 kGy (kuzungulira kamodzi) |
✅ Chovomerezeka - chikhoza kukhala chosasunthika pambuyo pa maulendo angapo |
Zida zopangira mankhwala |
10-25 kGy |
✅ Chovomerezeka - sinthani pambuyo pa kuzungulira kulikonse kuti mugwiritse ntchito movutikira |
Madera omwe siapakati pazomera za nyukiliya (mwachitsanzo, kukonza mapaipi) |
Mlingo wochepa, PTFE yosinthidwa imafunika |
⚠️ Pokhapokha ngati zasinthidwa mwapadera - PTFE yokhazikika ndiyosavomerezeka |
Kugwiritsa ntchito |
Cumulative Mlingo |
Chifukwa chiyani PTFE Imalephera |
Bwino Njira |
|---|---|---|---|
Nuclear reactor pachimake |
> 1 MGY |
Zakuthupi zikutha |
Polyimide (Kapton) kapena PEEK |
Zigawo zoyambirira za lupu |
100 kGy - 1 MGy |
Kukhumudwa kwakukulu |
Polyimide / PEEK |
Spacecraft kunja |
High-energy particle radiation |
Sizingapirire kuwonetseredwa kwa nthawi yayitali |
Polyimide / PEEK |
Kuletsa kutseketsa kwa gamma wambiri (>100 kGy) |
> 100 kg |
Kutaya mphamvu > 80% |
Polyimide |
Mlingo wa Mlingo wa radiation |
PTFE Tape Performance |
Malangizo |
|---|---|---|
<10 kGy (kutsekereza chakudya) |
Palibe kuwonongeka kowonekera; makina katundu kwambiri anapitiriza |
✅ Ndiotetezeka kugwiritsa ntchito |
10 - 50 kGy (kutsekereza kwachipatala) |
Ena embrittlement; mphamvu yamphamvu yachepetsedwa 30-50% |
⚠️ Gwiritsani ntchito kamodzi, kenaka sinthani |
50-100 kGy |
Kusokonezeka kwakukulu; kusweka pamwamba |
❌ Osavomerezeka |
> 100 kGy |
Zinthu zakuthupi zimasweka; amatulutsa mpweya wowononga |
❌ Zoletsedwa - gwiritsani ntchito polyimide kapena PEEK |
Chotengera chofunikira: Kulephera kukana ma radiation ndicholepheretsa chachikulu cha PTFE tepi yotentha kwambiri . Imangoyenerera malo ocheperako (chakudya ndi kutseketsa kwachipatala). Imapereka kukana kwapamwamba kwambiri komanso kukhazikika kwamankhwala pamakonzedwe amenewo. Pamalo owunikira kwambiri monga zida za nyukiliya kapena zotengera zakuthambo, zida zaukadaulo zosagwira ma radiation ziyenera kutengedwa.
Mwachidule , tepi ya PTFE sizinthu zosagwira ma radiation. Pa 1 kGy yokha ya kuwonekera kwa gamma, mphamvu yake yokhazikika imatsika mpaka 25% yapachiyambi. Ndiwoyenera kugwiritsa ntchito mlingo wochepa chabe monga chakudya ndi kutsekereza kwachipatala (≤50 kGy). Pamilingo yowonjezereka yopitilira 100 kGy - monga zida zanyukiliya, malupu oyambira, kapena kunja kwa chombo - PTFE ndiyoletsedwa.
Ngati ntchito yanu ikukhudza ma radiation, choyamba dziwani kuchuluka kwa mlingo womwe mukuyembekezera. Pansi pa 10 kGy, tepi ya PTFE imagwira ntchito bwino. Pakati pa 10-50 kGy, gwiritsani ntchito kamodzi ndikusintha. Pamwamba pa 50 kGy, sinthani ku polyimide kapena PEEK.
Mukufuna thandizo posankha tepi yoyenera yopangira ma radiation? Aokai PTFE ikhoza kupereka deta yoyezetsa yokhudzana ndi mlingo ndi malingaliro ena. Lumikizanani nafe ndi gwero lanu la radiation, mlingo woyembekezeka, ndi zambiri za momwe mungagwiritsire ntchito.
Zomwe zili pamwambazi zimaperekedwa ndi Malingaliro a kampani Jiangsu Aokai New Materials Technology Co., Ltd.
Ngati mukufuna kudziwa zambiri za magawo, mawonekedwe ogwiritsira ntchito, ndi mayankho makonda a mzere wathu wonse, kuphatikiza nsalu ya PTFE yotentha kwambiri, tepi ya PTFE yotentha kwambiri, lamba wa PTFE wotentha kwambiri, lamba wamakina osakanizika, lamba wamtundu umodzi wa PTFE, nsalu yotchinga yotentha komanso yosagwira bwino zamagalasi , chonde musamve bwino. zaulere kutilankhulana nafe:
Bambo Guo: +86 18944819998
Bambo Liu: +86 13705266308
Timatsatira filosofi ya ukatswiri ndi kukhulupirika, ndipo tadzipereka kukupatsani mayankho amodzi ndi ntchito zoganizira.