Ho fumana kutloisiso e felletseng le ho lekolaaluminium ea foamtshebetso.bafuputsi ba hlahisitse matshwao a fapaneng a sebopeho. Leha ho le joalo, kutloisiso ea hajoale ea bohlokoa ba matšoao ana ha ho hlahlojoa ts'ebetso ea aluminium ea foam e na le moeli. Boithuto bona bo sebelisa mokhoa oa Generalized Regression Neural Network (GRNN) ho theha mofuta o hokahanyang data ea sebopeho sa microstructure ea foam le thepa ea eona ea mochini. Ka CRNNmodel, bafuputsi ba ile ba ntša likarolo tse 'nè tsa bohlokoa ka ho fetisisa le boleng ba tsona ba boima bo lumellanang le litšobotsi tse 13 tsa pore tsa aluminium foam. Ka mor'a moo, mokhoa o mocha oa ho khetholla batho, o bitsoang "Wang equivalent porosity"( WEP) , o ile oa ntlafatsoa ka ho sebelisa boima bo setseng bo abetsoeng ho likaroloana, 'me ho ile ha fumanoa li-coefficients tse' nè. Foromo ena e ikemiselitse ho emela kamano lipakeng tsa likarolo tse nyane tsa foam aluminium le ts'ebetso ea eona ea mochini, Ho feta moo, bafuputsi ba ile ba etsa netefatso ea mohlala ba sebelisa data ea compression ho tsoa ho lihlopha tse 11 tsaaluminium ea foam. Liphetho tsa netefatso li bonts'itse hore har'a li-dataset tsa aluminium tse 11 tsa foam. Mokhoa oa Gibson-Ashby o fane ka liphetho tse makatsang maemong a mabeli, athe WEP e bonts'itse botsitso bo ikhethang ntle le liphoso. Ha ho bapisoa le foromo ea Gibson-Ashby, WEP e bontšitse ho nepahala ha tlhahlobo ea ntlafatso ea 18.18%.
Foam aluminium, e entsoeng ka tšepe ea aluminium li-alloys tsa eona, e khetholloa ke porous tlhaho ea eona e mengata ea voids, le sebopeho se kang khekhe ea linotši. Ho nts'etsapele mekhoa e nepahetseng le e felletseng ea tlhahlobo ea ts'ebetso e hlokahala ka potlako ho ntlafatsa ts'ebeliso ea aluminium ea foam.
Gibson-Ashby formulal le Hanssen formulal, e hlahisitsoeng ke Gibson le Ashby, e na le bohlokoa e le lipalo tsa setso bakeng sa ho hlalosa lisebelisoa tsa sebopeho sa mochini oa porous Leha ho le joalo,aluminium ea foame bonts'a mefuta e fapaneng ea li-microstructures mme e angoa ke lintlha tse fapaneng tsa sebopeho, joalo ka porosity, boholo ba pore, le kabo ea pore. Bongata ba likamano tsena tse tloahelehileng ke mehlala ea macroscopic phenomenological e sa ikarabelle bakeng sa tšusumetso ea libopeho tsa pore. Ho feta moo, aluminium ea foam e kanna ea ba le litlhoko tse ikhethang tsa ts'ebetso maemong a fapaneng a ts'ebeliso. Ntle le moo, lebala la aluminium ea foam ha le na mekhoa e tloaelehileng ea tlhahlobo le litekanyetso tsa ts'ebetso, e leng se lebisang ho mathata le ho netefatsa liphetho lithutong tse fapaneng. Ka kakaretso, mekhoa ea setso e hloleha ho theha khokahano lipakeng tsa litšobotsi tse nyane tsa aluminium ea foam le litšoaneleho tsa eona tsa mochini kapa ho etsa mohlala ka nepo le ho bolela esale pele thepa ea mochini oa foam aluminium sebakeng sa paramethara. Ho itšetleha feela ka pono e kholo ea ho lekola thepa ea mochini oa foam aluminium ha e sa kopana le litlhoko tsa moralo oa ts'ebetso ea sejoale-joale. Ho thehoa ha kamano ea 'mapa pakeng tsaaluminium ea foammeralo ea meralo le litšobotsi tsa eona tsa mochini ke taba e hatellang le ea bohlokoahali.
Thutong ena, ho ile ha etsoa tlhahiso ea paramethara ea sebopeho sa buka e bitsoang equivalent porosity ho emela kamano lipakeng tsa likarolo tsa sebopeho sa microstructural le ts'ebetso ea aluminium ea foam. Paramethara ena e ne e nkiloe ho tloha kabong e boima ea likarolo tse kang porosity, boholo ba pore e tloaelehileng, le potoloho ea aluminium ea foam.Ka ho netefatsoa ha liteko ka mehlala ea foam aluminium, ho bontšitsoe hore porosity e lekanang, e le parameter e ncha ea sebopeho, e fana ka mokhoa o nepahetseng haholoanyane. ponahatso ea ts'ebetso ea aluminium ea foam.
Thutong ena, re sebelisa mokhoa o fapaneng oa lithuto ka ho kopanya mahlale a thepa le ho ithuta ka mochini. Mekhoa ea ho ithuta ka mochini, joalo ka khetho ea likarolo, tlhahlobo ea boima ba 'mele, le kabo ea boima bo setseng, e kopantsoe ho theha aformula bakeng sa porosity e lekanang. Re bonts'itse ho nepahala ha porosity e ts'oanang joalo ka paramethara e ncha ea sebopeho ka netefatso ea disampole tse hlano tsa disampole, ho fana ka pontšo e nepahetseng ea ts'ebetso ea aluminium ea foam. Re fana ka mokhoa o nepahetseng haholoanyane oa ho lekola le ho sekaseka thepa ea mochini , ho fana ka litšupiso tsa bohlokoa bakeng sa ho etsa liqeto le tlhahlobo. Patlisiso e tsamaellana hantle le tsoelopele e potlakileng ea data e kholo le mahlale a mahlale a maiketsetso ka ho kopanya lipatlisiso tsa thepa e tsamaisoang ke data le boithuto ba aluminium ea foam. Re hlahisa mekhoa le mekhoa e mecha, e fanang ka pono e ncha mabapi le sebopeho le tlhahlobo ea ts'ebetso ea foam aluminium.
Nako ea poso: Dec-15-2023

