Mocheso o phahameng hakae o ka mamella carbon fiber
Carbon fiber ka boeona e na le khanyetso e phahameng haholo ea mocheso, 'me ho ka boleloa hore ke thepa e hanyetsanang le mocheso o phahameng haholo, empa lisebelisoa tsa motsoako oa carbon fiber li itšetlehile ka thepa ea matrix.
Yan F cone e ntša lisebelisoa tse tala ho tsoa ho petroleum le mashala.Ntlha ea pele, polyacrylonitrile e ntšoa, ebe carbon fiber e ntšoa ka polyacrylonitrile.Litlhoko tsa botekgeniki mona li phahame haholo, 'me oxidation, carbonization le graphitization ts'ebetsong eohle ke tsohle E hloka mocheso o phahameng ho qeta, haholo-holo tlas'a mocheso o phahameng oa likhato tse likete tse' maloa tsa ho chekoa ha majoe, ka mor'a ho tlosa makasine, k'habone fiber tow. E fumaneha, kahoo carbon fiber ka boeona e na le mocheso o phahameng ka ho fetisisa oa ho hanyetsa, o ka mamella mocheso o phahameng oa 3000 ℃, 'me o ka boloka molemo o motle oa tshebetso.
Ke hobane'ng ha lihlahisoa tse ngata tsa carbon fiber li sa hanyetse mocheso o phahameng?
Joalokaha ho boletsoe ka holimo, carbon fiber e na le khanyetso e ntle le e phahameng ea mocheso.Ha ho etsoa lihlahisoa tsa carbon fiber, ha se feela thepa ea carbon fiber.Ho boetse hoa hlokahala lisebelisoa tsa matrix ho phethela tlhahiso ea lihlahisoa tsa morao-rao tsa fiber.Lihlahisoa tsa carbon fiber li hanyetsa mocheso o phahameng.Nahana ka ho hanyetsa mocheso o phahameng oa thepa ea motheo.
Taba ea hore lihlahisoa tse ngata tsa k'habone ha li sosobane ebile ha li futhumale ke hobane lisebelisoa tse kopantsoeng tsa carbon fiber hangata ke lisebelisoa tse entsoeng ka lebone + tse thehiloeng ho resin, 'me litaba tsa morao-rao tsa fiber tow ka har'a thepa e kopaneng li ka bang 40% -45%, kahoo. tlhahiso Ho hanyetsa mocheso o phahameng oa lihlahisoa tsa carbon fiber tse felileng ho amana le ho hanyetsa mocheso o phahameng oa resin.Sena se tšoana le molao-motheo oa libarele tsa lehong.Moeli o phahameng oa ho hanyetsa mocheso oa resin o fetohile moeli o ka holimo oa ho hanyetsa mocheso o phahameng oa lihlahisoa tsa carbon fiber.
Tlas'a maemo a tloaelehileng, ho hanyetsa mocheso o phahameng oa matrix a resin ke hoo e ka bang 180C.Haeba e feta mocheso ona ka nako e telele, e tla etsa hore matrix a resin a qhibilihe, e leng se tla ama ts'ebetso ea ho qetela ea sehlahisoa.
Ho phaella moo, e le ho ntlafatsa ho hanyetsa mocheso o phahameng, setsi sa monoana oa sefate se tla khetha matrix e nang le khanyetso e phahameng ea mocheso, ke hore, polasetiki e khethehileng.Haeba u na le thepa ea matrix e nang le melemo e phahameng ea ts'ebetso e kang PEK le PPS, joale lihlahisoa tsa carbon fiber tse hlahisoang li tla hanyetsa Mocheso o ka fihla ka holimo ho 20YC.Haeba ho hanyetsa mocheso o phahameng ho hlokahala, matrix a tšepe ea carbon-based kapa ceramic e lokela ho khethoa.Ho hanyetsa mocheso o phahameng joalo ho ka ba betere.
Nako ea poso: Jun-27-2022