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Mabatani a silicone a Space-grade: Okhazikika mu -60 ℃ malo opanda mpweya, kusanthula zigawo zikuluzikulu za ma satellite amalonda

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Mabatani a silicone a Space-grade: Okhazikika mu -60 ℃ malo opanda mpweya, kusanthula zigawo zikuluzikulu za ma satellite amalonda

2025-03-26

Kuwulula zakusintha kwazinthu ndikusintha kwa satellite m'malo ovuta kwambiri amlengalenga

Ndi kuchuluka kwa kukhazikitsidwa kwa satellite zamalonda padziko lonse lapansi (kukula kwa msika kudzapitilira US $ 80 biliyoni mu 2024), magwiridwe antchito ndi kudalirika kwa zigawo zikuluzikulu za mlengalenga zakhala cholinga champikisano wamakampani. Posachedwapa, njira yoyendetsera satellite yogwiritsa ntchitomabatani a silicone / makapu a silicone amlengalengawakopa chidwi. Kupambana kwake ndikuti ngakhale mumalo opanda mpweya -60 ° C, ma keypads amatha kukhalabe okhudza kukhudza komanso kukhazikika kokhazikika, kukhala chitsimikizo chofunikira cha magwiridwe antchito a satellite.


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  • 1. Kupambana mu "space-grade" ntchito ya silikoni


    1.Kusinthasintha kwa kutentha kwakukulu

    Azamlengalenga - kalasimakiyi a siliconezimachokera ku zinthu za polysiloxane zapamwamba kwambiri. Poyambitsa mapangidwe apadera a unyolo monga phenyl ndi ethyl, kutentha kwa crystallization kumachepetsedwa kwambiri, kuwalola kuti apitirize kukhazikika komanso kukhazikika kwapakati pamitundu yosiyanasiyana.-60 ° C mpaka 250 ° C. Katunduyu amaposa zida wamba wamba, ndipo ndi oyenera kuyesa kawiri kutentha kwa vacuum otsika (-80 ° C mu orbit yotsika ya Earth) komanso kutentha kwambiri komwe kumachitika ndi zida zamagetsi zama satellite.

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  • 2.Kusindikiza kodalirika m'malo opanda vacuum

    3.Mapangidwe apamwamba kwambiri a maselomphira wa silikoni amatha kudzipatula bwino kulowera kwa gasi, ndikuphatikizidwa ndi kapangidwe ka mphete yosindikizira ya O-Ring (chigawo chachikulu cha vacuum system), imatsimikizira kukhazikika kwa mpweya mu kanyumba ka satana. Deta yoyesera ikuwonetsa kuti mu 10 ^ -6 Pa malo opanda mpweya, moyo wosindikiza umaposa zaka 15, kukwaniritsa zofunikira zonse za utumiki wa ma satellite otsika.


4.Ubwino wapawiri wa kukana kwa radiation ndi kukana kutopa

Kugwiritsa ntchito phenylenemphira wa silicone(mtundu wosamva ma radiation) imapangitsa kuti makiyi atsekedwe kukhala osakwana 3% pansi pa mphamvu ya radiation ya cosmic ray, yomwe ili yabwinoko kuposa zida zachikhalidwe. Nthawi yomweyo, kukana kuvala komanso kulimba kwa silikoni (moyo woyeserera wa makina osindikizira miliyoni 1) kuwonetsetsa kuti zero ziwopsezo pamachitidwe olamulira pafupipafupi a satellite.

2. "Invisible Guardian" ya Commercial Satellite Core Components

1. "Mapeto a mitsempha" ya kayendedwe ka kayendedwe ka kayendedwe kake

M'magulu amtundu wa satellite wa T / R (chiyambi cha radar),mabatani a siliconeamagwiritsidwa ntchito ngati njira zosinthira ma siginali apamwamba kwambiri. Kutchinjiriza kwawo kwamphamvu kwamagetsi (resistivity 10^15-10^17 Ω·cm) kumatha kuteteza kusokoneza kwa ma elekitiroma ndikuwonetsetsa kufalikira kwa data. Mwachitsanzo, mtundu wina wa setilaiti yolumikizirana yocheperako yachepetsa kuchedwa kwa kuyankha kuchokera ku ma milliseconds kupita ku ma microseconds mwa kukhathamiritsa mabataniwo.

2. "Mzere wa moyo" wa zida za extravehicular

Thebatani la siliconeimaphatikizidwa mu gulu lowongolera loboti ndipo ingagwiritsidwe ntchito mwachindunji pamalo opanda vacuum pa -60 ° C. Kukana kwake kuzizira kwatsimikiziridwa ndi kuyesa kwamphamvu kwa kutentha (kuzungulira kwa 1,000 kuchokera -100 ° C mpaka 150 ° C popanda ming'alu), kuthandizira maulendo akuya ofufuza malo monga mwezi.


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3.Kulinganiza pakati pa opepuka ndi kuwongolera mtengo


4. Poyerekeza ndi mabatani achitsulo, zigawo za silicone ndi 60% zopepuka, ndipo satelayiti imodzi imatha kusunga pafupifupi $ 120,000 pamtengo wonyamula katundu. Kuphatikiza apo, kapangidwe kake (batani gap 0.2-0.3mm) imathandizira kasamalidwe ka satana ndikusintha malinga ndi zosowa zopanga zambiri.

3. Maonedwe a Makampani: Momwe Silicone Technology Imasinthiranso Njira Yopangira Zamlengalenga

1.Mawonekedwe obwereza zinthu

2.Kafukufuku wamakono ndi chitukuko chikuyang'ana pa silicone yotsika kwambiri (mtundu wa ethyl wosinthidwa wosagonjetsedwa ndi -100 ° C ndi teknoloji yodzipiritsa yokha kuti igwirizane ndi malo ovuta kwambiri a kufufuza kwakuya kwa danga.

3.Test muyezo Mokweza

Makampani a 4.Aerospace padziko lonse lapansi akulimbikitsa kutchuka kwa oyesa kutentha kwapamwamba komanso otsika kutentha (monga LW-20JPW model 17) kuti ayese kukhazikika kwa mabatani a satana pansi pa kusintha kwadzidzidzi kutentha (-90 ° C mpaka 280 ° C 16), kufupikitsa kuzungulira kwa kuyang'anira khalidwe kuchokera ku miyezi 3 mpaka masiku 7.

5.Kuthekera kwa msika wamalonda

6.Malinga ndi zonenedweratu zamakampani, msika wapadziko lonse lapansi wa silikoni wapadziko lonse lapansi udzadutsa $420 miliyoni mu 2025, ndi chiwonjezeko chapachaka cha 23%. Makampani otsogola ku China, United States, ndi Europe akhazikitsa kale mizere yodzipatulira kuti agwire msika wa mathililiyoni a madola a magulu a nyenyezi apafupi ndi Earth (monga Starlink ndi Rainbow Cloud Project).

Kupambana kwa Aerospace-grademabatani a siliconesikuti zimangowonetsa zochitika zazikulu mu sayansi yazinthu, komanso zimawulula mfundo zazikuluzikulu zazamlengalenga zamalonda: "miniaturization, yotsika mtengo, ndi kudalirika kwakukulu." Ndi kusakanikirana kozama kwasilikoniteknoloji ndi kupanga ma satelayiti, malire a kufufuza kwaumunthu kwa chilengedwe adzakulitsidwa mowonjezereka.


Kuti mudziwe zambiri, lemberani:https://www.cmaisz.com/