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I-aluminium Foam elingana ne-porosity index

Ukuze uthole ukuqonda okubanzi nokuhlolai-foam aluminiumukusebenza.abacwaningi bethule izinkomba zezinhlamvu ezihlukahlukene. Nokho, ukuqonda kwamanje kanye nokubaluleka kwalezi zinkomba ekuhlaziyeni ukusebenza kwe-aluminium eyigwebu kulinganiselwe. Lolu cwaningo lusebenzisa indlela ye-Generalized Regression Neural Network ( GRNN) ukuze kusungulwe imodeli exhumanisa idatha ye-microstructure ye-aluminium ye-foam kanye nezakhiwo zayo zokukhanda. Ngemodeli ye-CRNN, abacwaningi bakhiphe izici ezine ezibaluleke kakhulu kanye namanani azo esisindo ahambisanayo ezicini eziyi-13 zezimbotshana ze-aluminium eyigwebu. Ngokulandelayo, ifomula entsha yezinhlamvu, ebizwa ngokuthi”Wang equivalent porosity”( WEP) , yathuthukiswa kusetshenziswa izisindo eziyinsalela ezabelwa ama- featureweights, futhi kwatholakala amakhoefiyenti amapharamitha amane. Le fomula ihlose ukumela ubudlelwano phakathi kwezici ze-foam aluminium microstructural kanye nokusebenza kwayo komshini, Ngaphezu kwalokho, abaphenyi benze ukuqinisekiswa kwemodeli besebenzisa idatha yokuminyanisa evela kumasethi ayi-11 wei-aluminium foam. Imiphumela yokuqinisekisa ibonise ukuthi phakathi kwalawa madathasethi angu-11 e-aluminium eyigwebu. ifomula ye-Gibson-Ashby iveze imiphumela edidayo ezimeni ezimbili, kuyilapho i-WEP ibonise ukuzinza okukhethekile ngaphandle kokudidayo. Ngokuqhathaniswa nefomula ye-Gibson-Ashby, i-WEP ibonise ukunemba kokuhlaziywa kokuthuthukiswa okungu-18.18%.

I-aluminium Foam, eyakhiwe nge-aluminium metalor ama-alloys ayo, ibonakala ngemvelo yayo enezimbotshana eziningi ze-voids, kanye nesakhiwo esifana nekhekheba lezinyosi. Kudingeka ngokushesha ukuthuthukiswa kwezindlela zokuhlola ukusebenza okunembile neziphelele ukuze kuthuthukiswe ukusetshenziswa kwe-aluminium eyigwebu.

I-aluminium Foam elingana ne-porosity index

Ifomula ye-Gibson-Ashby kanye nefomula ye-Hanssen, eyethulwe u-Gibson kanye no-Ashby , ibamba ukubaluleka njengezibalo ezivamile zokuchaza izici zemishini ze-porous Noma kunjalo ,i-aluminium foamibonisa ama-microstructures ahlukahlukene futhi ithintwa izici ezihlukahlukene zesakhiwo, njenge-porosity, usayizi wezimbotshana, nokusatshalaliswa kwezimbotshana. Iningi lalobu budlelwano obujwayelekile bokusungula amamodeli we-macroscopic phenomenological angabali umthelela wezakhiwo zezimbotshana. Ngaphezu kwalokho, i-aluminium yegwebu ingase ibe nezidingo ezihlukile zokusebenza ezimweni ezihlukene zohlelo. Ukwengeza, inkambu ye-aluminium yegwebu ayinazo izindlela zokuhlola ezilinganiselwe kanye nemingcele yokusebenza, okuholela ezinseleleni nasekuqinisekiseni okutholakele kuzo zonke iziqhathaniso ezihlukene. Kafushane, izindlela zendabuko ziyehluleka ukusungula ukuhlobana phakathi kwezici ze-microstructural ye-aluminium eyigwebu kanye nezici zayo zomshini noma ukumodela ngokunembile kanye nokubikezela izakhiwo zemishini ye-aluminium eyigwebu ngaphakathi kwesikhala sepharamitha. Ukuthembela kuphela kumbono we-macroscopic wokuhlola izakhiwo zemishini ye-foam aluminium akusahlangabezani nezidingo zedizayini yokusebenza yesimanje. Ukusungulwa kobudlelwano bemephu phakathii-foam aluminiumamapharamitha esakhiwo kanye nezici zayo zemishini iyindaba ecindezelayo nebalulekile.

Kulolu cwaningo, ipharamitha yokulinganisa inoveli ebizwa ngokuthi i-porosity elinganayo yahlongozwa ukuze imele ubudlelwano phakathi kwezici ze-microstructural nokusebenza kwe-aluminium eyigwebu. Le pharamitha ithathwe ekusabalaliseni okunesisindo kwezici ezifana nokubumba, usayizi wembotshana omaphakathi, kanye nokujikeleza kwe-aluminium yegwebu.Ngokuqinisekisa kokuhlolwa kwamasampula e-aluminium eyigwebu , kuboniswe ukuthi i-porosity efanayo, njengepharamitha entsha yezinhlamvu, inikeza inembe kakhudlwana. ukubonakaliswa kokusebenza kwe-foam aluminium.

Kulolu cwaningo , sisebenzisa indlela ye-interdisciplinary ngokuhlanganisa isayensi yezinto zokwakha nokufunda komshini. Amasu okufunda omshini , njengokukhethwa kwezici, ukuhlaziya isici sesisindo, kanye nokwabiwa kwesisindo esisele, kuhlanganiswe ukuze kusungulwe ifomula ye-porosity efanayo. Sibonise ukunemba kwe-porosity efanayo njengepharamitha yokuhlukanisa abalingisi entsha ngokuqinisekisa amasethi amasampula amahlanu, okuhlinzeka ngokubonakala okunembile kokusebenza kwe-aluminium yegwebu. Sinikeza indlela enembe kakhudlwana yokuhlola nokuhlaziya izakhiwo zemishini yokokusebenza , sinikeza izinkomba ezibalulekile zokwenza izinqumo nokuhlaziya. Ucwaningo luhambisana eduze nentuthuko esheshayo yedatha enkulu kanye nobuchwepheshe bobuhlakani bokwenziwa ngokuhlanganisa ucwaningo lwezinto eziqhutshwa yidatha nocwaningo lwe-aluminium eyigwebu. Sethula amaphethini nezindlela zamanoveli, sinikeza umbono omusha ngokuhlukaniswa kwezinhlamvu nokuhlaziywa kokusebenza kwe-foam aluminium.


Isikhathi sokuthumela: Dec-15-2023