1. Ihe mejupụtara: ákwà ngebichi fiberglass nke PTFE
Na aerospace ubi, nke a A na-akpọ akwa Teflon dị elu dị ka akwa beta. Ọ na-eji akwa fiberglass dị ike dị ka mkpụrụ, nke a na-etinye ma ọ bụ kpuchie ya na oyi akwa nke polytetrafluoroethylene (PTFE, ie, Teflon). Nke a na-ejikọta mgbanwe nke ákwà ahụ na oke gburugburu ebe obibi inertness nke PTFE.
2. Ọrụ: The Outermost Armor nke Thermal Micrometeoroid Uwe
Dị ka Teflon na-emepụta akwa na-ekpo ọkụ dị elu: N'ime usoro mkpuchi mkpuchi multi-layer nke extravehicular mobility units (EMUs), ọ na-eje ozi dị ka oyi akwa nke Thermal Micrometeoroid Garment (TMG), na-eche ihu na oghere, oke okpomọkụ dị iche iche, na micrometeoroids. Ọ na-arụ ọrụ dị ka ihe mgbochi anụ ahụ na ọkụ nke mbụ maka ihe nkiri iri na abụọ ma ọ bụ karịa n'ime ime ihe nkiri alumini.
II. Okpomọkụ gburugburu na nchekwa ihe owuwu
1. Iguzogide oke okpomọkụ dị iche iche na radieshon okpomọkụ
Teflon akwa na-ekpo ọkụ nwere ike idi ogologo oge okpomọkụ sitere na -200 ° C ruo + 260 Celsius C, na-ekpuchi ngbanwe siri ike nke ihe karịrị 120 ° C n'akụkụ ihu anyanwụ nke mbara igwe na ruo -160 ° C n'akụkụ onyinyo. N'elu ya na-acha ọcha na-egosipụta nke ọma radieshon nke anyanwụ, na-ebelata mmịnye okpomọkụ ma na-edobe nkwụsi ike nke okpomọkụ dị n'ime.
2. Ichebe ihe na-emebi emebi 'Thermal Core'
Ọ na-eme dị ka akpụkpọ anụ siri ike, dị larịị, na-enye nguzogide ọkọchị, nkwụsi ike ndọka, ma na-eyi nchebe maka ihe nkiri polyimide dị n'okpuru na-emebi emebi nke ukwuu. Nke a na-eme ka iguzosi ike n'ezi ihe nke mkpuchi oghere multi-layer ma gbochie ọdịda okpomọkụ nke mmebi oyi akwa dị n'elu kpatara.
III. Enyemaka ngagharị na atụmatụ nchekwa kemịkal
1. Obere Esemokwu na Njirimara Mgbochi Tangling
Ọnụ ọgụgụ dị ala nke ukwuu nke esemokwu nke elu PTFE na-enye akwa dị n'èzí na-enweghị osisi, njirimara dị nro. Mgbe ndị na-enyocha mbara igwe na-ehulata ogwe aka ha ma ọ bụ nkwonkwo ọkpụkpụ, akwa akwa anaghị egbochi mmegharị ahụ ma ọ bụ mepụta tangles n'ihi nnukwu esemokwu, na-eme ka mgbanwe dị iche iche n'oge ihe omume ndị ọzọ, dị ka ndị na-emepụta akwa na-ekpo ọkụ Teflon kwuru.
2. Nkwụghachi ọkụ na Chemical Inertness
The fiberglass base ákwà bụ inherently na-abụghị combustible, na PTFE mkpuchi bụ ire-retardant na kemịkalụ nnọọ kwụsiri ike, ike iguzogide mbuze si ike oxidizing agents dị ka atomic oxygen na mbara igwe. N'ime gburugburu ụlọ oxygen dị ọcha ejiri mee ihe n'akụkọ ihe mere eme, ọgbaghara ọkụ a na nguzogide corrosion dị oke mkpa maka nchekwa ndị na-enyocha mbara igwe.
IV. Ngwa Milestone na mgbanwe ọgbara ọhụrụ
1. Beta Cloth na Apollo Era - Gosiri na Action
The Apollo A7L amị n'ọnwa spacesuits ọtụtụ ji Beta ákwà maka mpụta oyi akwa, ịga nke ọma na-nagide ọnwa elu n'elu 100°C okpomọkụ, na-egbu egbu uzuzu n'ọnwa (na ire ụtọ PTFE elu na-eguzogide uzuzu adhesion na dị mfe ihicha), na micrometeoroid mmetụta. Nke a kwadoro ntụkwasị obi ya n'ofe ala na oke okpomọkụ.
2. Evolution na Ortho-Fabric na EMU nke oge a
N'elu oghere ndị a na-eji maka Space Shuttle na International Space Station, oyi akwa dị n'èzí aghọọla ngwakọta Ortho-fabric. Ejiri eriri PTFE (Gore-Tex) gbasaa, Nomex, na Kevlar kpara ya. Na isi ya, ọ ka na-adabere na ihu igwe dabere na Teflon, nguzogide uzuzu na oke okpomọkụ, ebe ọ na-etinye eriri ndị ọzọ iji kwalite ike na ire ọkụ. Ọ bụrụla ngwa agha dị elu nke na-ejikọta nchedo okpomọkụ, nchekwa igwe, na enyemaka ngagharị.
Ọ bụrụ na ị ga-achọ ịmatakwu banyere nkọwa zuru ezu, ihe ngosi ngwa, na nhọrọ nhazi maka ngwaahịa anyị zuru oke-gụnyere akwa Teflon dị elu, teepu okpomọkụ dị elu, Teflon eriri igwe na-ekpo ọkụ, eriri igwe na-enweghị nkebi, eriri igwe PTFE nwere otu akụkụ, akwa eriri ọkụ, eriri ọkụ ọkụ, eriri ọkụ. akwa-biko nweere onwe gị ịkpọtụrụ anyị site na:
