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PTFE Firimu tepi , inozivikanwawo sePTFE firimu inonamira tepi kana teflon tepi, inozivikanwa neyakawedzera kupisa kupesana. Izvi zvinhu zvose zvose zvinogona kutsungirira tembiricha dzakakwirira, zvichiita chimwe chinhu chakakosha mumanyorero akasiyana-siyana. PTFE firimu tepi inowanzo kukonzera kutendeka kwayo uye kuita kwekutamba kusvika ku260 ° C (500 ° F), pamwe nedzimwe dzakasiyana siyana dzinogona kutevedzera tembiricha yakanyanya. Izvi zvinoshamisa zvinoshamisa kupokana zvinokonzerwa nemhando yakasarudzika yemakemikari yePTFE, iyo inosara yakagadzikana pasi pemamiriro akanyanya ekuvaraira. Semhedzisiro, ptfe firimu tepi yave yekuenda-yekugadzirisa kuiswa kusimba kwepamusoro, insulation, uye dziviriro mumaindasitiri kubva kuEerospace yekugadzirisa chikafu.
Ptfe, kana polytetrafluorootherylene, iri synthetic fluoropopolymer yeTetrafluoroleyle. Yayo moleky chimiro inosanganisira kabhoni maatomu akasungwa kuenda kuFluorine maatomu mune tambo refu. Uyu gadziriro yakasarudzika inopa PTFE kwayo yakasarudzika yekudzora inogadzikana. Iyo yakasimba kabhoni-fluorine zvisungo zvinoda simba rakakosha kuputsa, kubvumira PTFE kuchengetedza zvivakwa zvayo kunyangwe kupisa kwakakwirira.
PTFE FILM ADESICE tepi inoratidzira zvinotyisa zvinowedzera zvivakwa zvinobatsira pakubata kwayo kwakanyanya. Iyo ine yakaderera yekudyara inonhuwirira, zvinoreva kuti hazvireve kuendesa kupisa. Hunhu uhwu hunoita kuti ive yakanaka yekuburitsa insulator. Pamusoro pezvo, PTFE ine yakanyanya kunyungudika point ye327 ° C (620 ° F), kuwedzera kuwedzera kugona kwayo kutadzira kupisa kwakanyanya pasina kushatisa kana kurasikirwa zvivakwa zvacho zvinoshanda.
Kana uchienzaniswa nedzimwe nzvimbo dzakakwirira-tembiricha, ptfe firimu tepi inowanzo rutsamba dzimwe nzira maererano nekushisa kudzikisira uye makemikari kuita. Semuenzaniso, silicone-based matipi kazhinji ine yakakura tembiricha yemakore zana Nekudaro, kusanganiswa kwePTFE yekupisa kupokana, makemikari interness, uye kupokana kwakaderera kunoita kuti isarudzo yepamusoro yezvakawanda zvekushambadzira.
Mune maindasitiri marongero, ptfe film tepi inoshandiswa zvakanyanya kushandiswa kwekuisa chisimbiso uye insulation zvinangwa munzvimbo dzakakwirira-tembiricha. Izvo zvinonyanya kukosha mumakemikari ekugadzirisa zvimiti, uko kwashandiswa kusimbisa kwechipenga majoini uye zvigadzirwa zvinoratidzwa nemakemikari anokonzeresa uye kupisa kwakanyanya. Iko kugona kwe tepi kuchengetedza chisimbiso chakasimba mumamiriro ezvinhu aya zvinobatsira kudzivirira nekuvimbisa kuchengetedzeka uye kushanda kwemaindasitiri.
Iyo Aerospace uye emagetsi emagariro anovhara zvakanyanya paPTFE Firimu tepi yeyakasiyana-tembiricha application. Munhandare ndege, tepi yePTFE inoshandiswa kuputira waya uye tambo, ichipa zvese zvemagetsi insulation uye chidziviriro kubva pakupisa kwakanyanya kunogadzirwa panguva yekubhururuka. Mukugadzira automotive, inoshandiswa mukudzivirira kwekudzivirira kwekudzivirira, kuchengetedza zvinhu zvakanyanyisa kubva kune yekupisa kweinjini. Iyo tepi's Low Forction Fronies Properties inoitawo kuti ibatsire mukuderedza kupfeka pazvikamu zvinofamba zvakaratidzwa nekudziya kwakanyanya.
Iyo yekudya maindasitiri inobatsira kubva kuPTFE Firimu Tape's Kupisa Kudzivirira uye isiri-tsvimbo zvivakwa. Mune zvekudya zvekudya zvekudya, tepi inoshandiswa kuongororwa mabhanhire emabhandi ekurongedza uye kusimbisa mabhaisikopo mumishini yekurongedza. Iyi application inobvumira kuti ishandiswe, isina-tsvina yekushandisa kunyange uchibata neyekupisa, inonamira chikafu. Iko kugona kwematepi kutsungirira kupisa kwakanyanya pasina kusvibisa kana kusunungura zvinhu zvinokuvadza zvichiratidza kuchengetedzwa kwekudya uye hunhu mumamiriro ezvinhu mukati meiyo maitiro ekugadzira.
Iko ukobvu uye mhando yeiyo ptfe layer mu tepi inokoshesa zvakanyanya pesvedzero yayo yakakwirira-tembiricha. Kazhinji, thicker ptfeal lager inopa zviri nani insulation uye kupisa kupisa. Nekudaro, kunaka kwezvinhu zvePTFE kwakakosha zvakafanana. High-mhando ptfe firimu matepi kubva kune anokurumbira teflon tepi Vagadziri vanogadzira maitiro ekugadzira kuti ive nechokwadi cheunifomu, density, uye kuchena. Izvi zvinhu zvinopa mukusawirirana kubata pasi pekupisa kwakanyanya.
Nepo iyo ptfe firimu pachayo inopisa kwazvo-inodzivirira, iyo inonamatira inoshandiswa muPTFE FILM ADELICE tepi inogona kuve chinhu chinodzikisira mukunyora-tembiricha. Yakajairwa acrylic kana yerabha-yakavakirwa mahonyeti anogona kutanga kushatisa kudziya kwakadzika kupfuura iyo ptfe firimu. Zvekushandisa zvinoda zvinoda kupisa kupisa, nyanzvi dzeSilicone-zvichibva kune dzimwe nguva dzakakwirira-tembiricha dzinoshandiswa. Aya mahonyeti anogona kutsungirira tembiricha yakafanana nefirimu rePTFE, richisimbisa kuti tepi inobata bond is bond uye kutendeka munharaunda dzinoda.
Iko kuita kwePTFE Firimu tepi pamhepo yepamusoro tembiricha inogona kukanganiswa nezvinhu zvemhoteredzo uye nguva yekuwisirwa. Kufumurwa kwenguva refu kune kupisa pedyo neyakaganhurira muganho unokwanisa kushatisa zvishoma nezvishoma zvinhu zvekufamba kwenguva. Zvinhu zvakadai seUV radiation, kuratidzwa kwemakemikari, uye kushushikana kwemuchina kunogona kukanganisa chidimbu che telloves mune yakakwirira-tembiricha. Izvo zvakakosha kufunga nezvezvinhu izvi paunenge uchisarudza ptfe firimu tepi yekunyora zvikumbiro uye kutevera magadziri emugadziri ekuita kwehunyanzvi uye hurefu.
PTFE firimu tape's inoshamisa kugona kutsungirira kupisa kwakanyanya kunoita kuti ive yakakosha zvinyorwa mumaindasitiri akawanda. Yayo yakasarudzika yemakemikari chimiro, yakasanganiswa nezvivakwa zvayo zvinowedzera, inobvumira kuchengetedza kutendeka kwayo uye kushanda mumamiriro ezvinhu akanyanya kupisa. Kubva mumaindasitiri ekuisa chishandiso kune aerospace application uye chikafu chekudya, ptfe film tepi inoenderera kuratidza kukosha kwayo munzvimbo dzakakwirira-tembiricha. Nekudaro, zvinhu zvakadai se tepi mhando, chinonamatira mhando, uye mamiriro ezvinhu emamiriro ezvinhu anotamba mabara akakosha mukuona mashandiro ayo. Nokunzwisisa izvi zvikamu, mainjiniya uye vagadziri vanogona kuwedzera kukosha kuzere kwePTFE Firimu tepi mune yavo yakakwira-tembiricha application.
Kune yakakwira-mhando ptfe film tepi mhinduro dzinogona kutsungirira kupisa kwakanyanya, kuvimba Aukai ptfe . Yedu yakakura huwandu hwezvigadzirwa zvePTFE, kusanganisira ptfe yakachekwa machira uye inonamatira matepi, ana mainjiniya kuti asangane nezvinodiwa zvinoda maindasitiri. Inosangana nezvakanakira zvekupisa kupisa kupesana, makemikari kuita, uye kusimba. Taura nesu nhasi =
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Zhang, L. naBrown, R. (2019). 'Kufananidza kuongororwa kwemapapu yakakwirira-tembiricha muAerospace application. ' Aerospace engineering ongororo, 32 (4), 412-428.
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