I. I-Material Essence kanye Nokuma Kwezingubo Zomkhathi
1. Ukubunjwa: Indwangu ye-Fiberglass ene-PTFE-Coated
Emkhakheni we-aerospace, lokhu Indwangu ye-Teflon enezinga eliphezulu lokushisa ibizwa ngokuthi yindwangu ye-Beta. Isebenzisa indwangu ye-fiberglass enamandla amakhulu njenge-substrate, efakwe ngaphakathi noma embozwe ungqimba lwangaphandle nge-polytetrafluoroethylene (PTFE, okungukuthi, i-Teflon). Lokhu kuhlanganisa ukuguquguquka kwendwangu nokungabi namandla kwemvelo okwedlulele kwe-PTFE.
2. Iqhaza: I-Outermost Armor Yengubo ye-Thermal Micrometeoroid
Ngokusho kwabakhiqizi bendwangu ye-Teflon enezinga lokushisa eliphezulu: Kuhlelo lokufakwa kwezingqimba eziningi lwamayunithi wokunyakaza we-extravehicular (EMUs), isebenza njengongqimba olungaphandle kakhulu lwe-Thermal Micrometeoroid Garment (TMG), ebhekene ngqo ne-vacuum, ukuhluka kokushisa okwedlulele, nama-micrometeoroids. Isebenza njengesithiyo sokuqala esingokomzimba nesokushisa kwezingqimba eziyishumi nambili noma zangaphakathi zamafilimu ane-aluminium.
II. Imvelo Eshisa Kakhulu Nokuvikelwa Kwesakhiwo
1. Ukumelana Nomehluko Ophakeme Wezinga Lokushisa Nokushisa Okushisayo
Indwangu ye-Teflon enezinga eliphezulu lokushisa ingamelana isikhathi eside namazinga okushisa asukela ku -200°C kuya ku-260°C, amboze ukushintshashintsha okunzima okungaphezu kuka-120°C ohlangothini lwesikhala olubheke elangeni futhi phansi kuya ku-160°C ohlangothini olunomthunzi. Indawo yayo emhlophe ngokuvamile ibonisa kahle imisebe yelanga, inciphisa ngokuphawulekayo ukumuncwa kokushisa nokugcina izinga lokushisa langaphakathi lizinzile.
2. Ukuvikela 'I-Thermal Core' Ebuthakathaka
Isebenza njengesikhumba esiqinile, esibushelelezi, esinikeza ukumelana nokuklwebheka, ukumelana nezinyembezi, nokuvikela ukugqokwa kwamafilimu e-polyimide azacile kakhulu futhi awonakaliswa kalula. Lokhu kuqinisekisa ubuqotho be-multi-layer vacuum insulation futhi kuvimbela ukwehluleka kokushisa okubangelwa ukulimala koqweqwe lwangaphandle.
III. Usizo Lokunyakaza kanye nezici Zokuphepha Kwamakhemikhali
1. Impahla Ephansi Yokungqubuzana Nezinto Ezingahlangani
I-coefficient ephansi kakhulu yokungqubuzana kwendawo ye-PTFE inika indwangu yangaphandle enezici ezingenanti, ezibushelelezi. Lapho osomkhathi begoba izingalo zabo noma amalunga omzimba, izendlalelo azivimbeli ukunyakaza noma ukudala ama-tangles ngenxa yokungqubuzana okuphezulu, okuqinisekisa ukuguquguquka phakathi kwemisebenzi ye-extravehicular, njengoba kuphawulwe abakhiqizi bendwangu ye-Teflon eshisa kakhulu.
2. Ukubambezeleka Kwelangabi kanye Nokungangeni Kwamakhemikhali
Indwangu eyisisekelo ye-fiberglass ayishi ngokwemvelo, futhi okokunamathela kwe-PTFE akunqamuki ilangabi futhi kuzinze ngokwedlulele kumakhemikhali, ekwazi ukumelana nokuguguleka okuvela kuma-oxidizing anamandla afana ne-atomic oxygen emkhathini. Ezindaweni ezisetshenziswa ngokomlando zekhabhinethi ye-pure-oksijeni, lokhu kuncipha kwelangabi nokumelana nokugqwala bekubalulekile ekuphepheni kosomkhathi.
IV. Izicelo zeMilestone kanye Nenguquko Yesimanje
1. Indwangu ye-Beta Enkathini ye-Apollo – Ifakazelwe Ngesenzo
Amasudi omkhathi wenyanga we-Apollo A7L asebenzise kakhulu indwangu ye-Beta kungqimba olungaphandle, amelana ngempumelelo namazinga okushisa enyanga angaphezu kuka-100°C, ukungcola okubulalayo kothuli lwenyanga (indawo ebushelelezi ye-PTFE imelana nokunamathela kothuli futhi kulula ukuyihlanza), kanye nomthelela we-micrometeoroid. Lokhu kwaqinisekisa ukwethembeka kwayo kuzo zonke izindawo kanye nezinga lokushisa elidlulele.
2. Ukuziphendukela kwemvelo kuya ku-Ortho-Fabric kuma-EMU esimanje
Kuzingubo zasemkhathini ezisetshenziselwa i-Space Shuttle kanye ne-International Space Station, ungqimba lwangaphandle luye lwashintsha lwaba yinhlanganisela ye-Ortho-fabric. Ilukwe kusuka kumafayibha e-PTFE (Gore-Tex) anwetshiwe, i-Nomex, ne-Kevlar. Emgogodleni wayo, isancike esimweni sezulu esisekelwe ku-Teflon, ukumelana nothuli, nokubekezelela izinga lokushisa eliphezulu, kuyilapho ihlanganisa neminye imicu ukuze kuthuthukiswe amandla kanye nokubambezeleka komlilo. Sesiphenduke isambatho sokuzivikela sangaphandle esiphezulu esihlanganisa ukuvikela okushisayo, ukuvikelwa kwemishini, nosizo lokunyakaza.
Ulwazi olungenhla luhlinzekwa ngu I-Jiangsu OK New Material Technology Co., Ltd.
Uma ungathanda ukufunda okwengeziwe mayelana nokucaciswa okuningiliziwe, izimo zohlelo lokusebenza, nezinketho zokwenza ngokwezifiso uhla lwethu olugcwele lwemikhiqizo—okuhlanganisa izindwangu ze-Teflon ezishisa kakhulu, itheyiphu ye-Teflon yokushisa ephezulu, amabhande anezintambo ezinokushisa okuphezulu e-Teflon, amabhande omshini wokunamathisela angenamthungo, i-PTFE yohlangothi olulodwa, indwangu yengilazi enezinga eliphezulu lokushisa eliphezulu izindwangu-sicela ukhululeke ukuxhumana nathi nge:
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