Chithovu champhamvu kwambiri padziko lapansi - mpira wa ceramic zitsulo zopangidwa ndi thovu

Mu pepala ili, tikuwonetsani momwe mungagwiritsire ntchito ndi mawonekedwe a ceramic mpira kompositichitsulo cha thovu(zochokera ku aluminiyamu) zida zowunikira kwambiri.
Choyamba, zinthuzo ndi wapadera gulu latsopano thovu zakuthupi. Poika tinthu tating'onoting'ono ta ceramic tomwe timapanga mu matrix monga zolimbikitsira, modulus yonse ndi mphamvu zake zimakhala zapamwamba kwambiri kuposa zida zina za thovu zopangidwa ndi matrix omwewo. Zomwe zimalimbitsa zimapereka chithovu chophatikizika chokhala ndi porosity yapamwamba kuposa matrix alloy alloy, zomwe zimapangitsa kuchepetsa kwambiri kulemera. Ndipo kuwonjezera pa kuchepetsa kulemera, kukhalapo kwa zigawo za ceramic zomwe zimagawanika mofanana mkati mwazinthu zimathandiza kuti chithovu chophatikizana chikwaniritse kuyamwa kwakukulu kwa mphamvu pansi pa kukanidwa.
Kachiwiri, mawonekedwe a porous a ceramic spheres composite foam aluminiyamu ultralight material amatha kupirira kupunduka kwakukulu kwa pulasitiki ndipo amatha kuyamwa mphamvu pansi pa kupsinjika kapena kukhudzidwa komwe kumachitika. Mphamvu yake yabwino yonyowetsa ingagwiritsidwe ntchito kuti muchepetse kugwedezeka. Chifukwa chake, chitha kugwiritsidwa ntchito ngati chinthu chodzitchinjiriza ku kuwonongeka komwe kumabwera chifukwa cha kugunda kapena kukhudzidwa pakudzipereka.
Mwachidule, mpira wa ceramic wopangidwa ndi thovu aluminiyamu ndizomwe zimagwiritsidwa ntchito kwambiri ndi zitsulo za thovu, ndipo zakhala woimira wodziwika bwino wa zida zatsopano zophatikizira komanso malo otsogola amakono opanga zida.
Magwiridwe Azinthu

1. Wopepuka
Zinthu zopepuka ndi chimodzi mwazabwino zamtunduwu wa mpira wa ceramickompositi thovu zitsulozinthu zowala kwambiri. Pakadali pano, zinthu zamtunduwu nthawi zambiri zimatengera aluminium kapena aloyi ya magnesium yokhala ndi kachulukidwe kakang'ono komanso mphamvu yabwino kwambiri ngati maziko. Chilimbikitsocho chimakhala ndi mipanda yopyapyala yokhala ndi mipanda ya ceramic, yomwe imathandizira kuti mupitirize kupeza zinthu zopangidwa ndi thovu zokhala ndi kachulukidwe kochepa. Kuyika kwa mazenera opanda kanthu a ceramic kumathandizira kuthandizira ma pores amkati azinthuzo komanso kumapangitsanso mphamvu zonse zazinthuzo, ndikupangitsa kuti chithovucho chikhale chomveka bwino. Amapereka ntchito zosiyanasiyana popanga masitima apamadzi, zida zamagalimoto, ma module a buoyancy, ndi zida zamagalimoto.

2. Mapiritsi a kupsinjika
Kwa opepuka mpira wa ceramic wolimbitsa ma aluminium matrix composites, chinthu chachikulu chamakina chazinthucho chikuwonetsedwa muzokakamiza zake. Chifukwa cha kulephera kwake komanso makina ake panthawi yoponderezedwa, yomwe ili yosiyana kwambiri ndi ya matrix, mawonekedwe ake oponderezedwa amafanana kwambiri ndi zida za porous. Ngakhale zida zodziwika bwino za matrix zitha kulephera mwachangu zitatha kutulutsa, zitsulo zophatikizika zachitsulo zimapitilira kupunduka kwambiri ndikuyamwa mphamvu zambiri zakunja zikayamba kutulutsa. Kuphatikizika kwa zinthuzo kumakhudzidwanso ndi kukula kwa mipira ya ceramic yolimbikitsidwa.

3. Mayamwidwe odabwitsa komanso mayamwidwe amphamvu
Pakadali pano, zomwe zimagwiritsidwa ntchito kwambiri pakugwetsa kugwedera ndi kuyamwa mphamvu ndizinthu zosiyanasiyana za thovu la polima. Komabe, thovu la polima lokha limakhudzidwa kwambiri ndi kutentha, ma reagents amankhwala ndi kuwala kwa ultraviolet, zomwe zimalepheretsa kwambiri kugwiritsa ntchito zinthu za thovu la polima pamalopo. Ndipo kuipa kwa mayamwidwe otsika enieni amphamvu kumabweretsanso kuti zida za thovu la polima zimafunikira voliyumu yayikulu kuti itenge mphamvu yayikulu. Poyerekeza ndi izo,kompositi thovu aluminiyamuali ndi mphamvu zapamwamba komanso zolimba kwambiri. Kukhazikika kwake kwakukulu, kukana bwino kwa nsangalabwi, kusinthika kwamphamvu, kosavuta kuwotcha, kulemera kopepuka, ndi chinthu chabwino kwambiri choyamwitsa.

4. Kugwiritsa ntchito gawo la engineering
Mpira wa Ceramic composite thovu aluminiyamu ultralight zakuthupi, ilinso ndi ntchito zambiri pankhani ya uinjiniya. Kumbali imodzi, imagwiritsidwa ntchito ngati zida zomangika, zomwe zimagwiritsidwa ntchito m'mafakitale amagalimoto, zamlengalenga, komanso zomanga; Kumbali inayi, imagwiritsidwa ntchito ngati zinthu zogwirira ntchito, kukhala mayamwidwe amphamvu ndi mayamwidwe owopsa komanso zida zoteteza ma elekitiroma.