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Izici zokusebenza ze-aluminium foam materials

1. Izinto ezibonakalayo
Izinto ze-aluminium foamisici esibaluleke kakhulu sesisindo sokukhanya, ukuminyana okuphansi, ngokulingana nosayizi we-pore, amandla adonsela phansi athize aphindwe izikhathi ezingu-0.1-0.6 kuphela umthamo ofanayo we-aluminium, kodwa izikhathi ezingaphezu kuka-4 ziphakeme kune-foam material. I-conductivity ye-foam material incane kakhulu kune-aluminium eqinile, ngokuphambene nalokho, ukumelana kukhulu, futhi kungumqhubi omubi. I-thermal conductivity yegwebu le-aluminium incane izikhathi ezingu-0.1-0.2 kunaleyo ye-aluminium eyinhloko eqinile. Ngaphezu kwalokho, igwebu libuye libe nezinzuzo zobulukhuni obuphezulu, obungashi, akulula ukwenza i-oxidize, akulula ukuguga, ukumelana nesimo sezulu, ukugaywa kalula nokunye.
Okokusebenza okungaphansi kwemithwalo egobayo, into esetshenziswayo kufanele ibe namandla aphezulu, futhi ngokuqhathanisa amanani athile wamandla nalawo egwebu le-aluminium kanye nezinye izinto ezivamile zesakhiwo (i-aluminium nensimbi) (i-aluminium foam: insimbi = 5:2.5:1), kwatholakala ukuthi igwebu le-aluminium linezici zamandla eziqondile. Ucwaningo lokuhlola lubonise ukuthi ukwelashwa okufanele kokushisa kungenziwa ukuze kwandiswe amandla ayo. Ngakho-ke, i-foam ye-aluminium ingakwazi ukumelana nemithwalo emikhulu yokugoba.
2. Izakhiwo zemishini
I-modulus ye-elasticity, i-shear modulus, nomkhawulo wokunwebeka wei-aluminium foamiyancipha njengomsebenzi we-exponential ngokukhuphuka kwe-porosity;
Amandla okuqina; i-aluminium yegwebu inamandla aphansi aqinile, ubude obuphansi kanye ne-semi-brittle phenomenon. Kutholakale ukuthi ubukhulu be-pores bunomthelela obalulekile ezindaweni eziqinile. Uma ukuminyana kwesihlobo kufana, amandla aqinile osayizi wembotshana makhulu kunalawo osayizi omkhulu wembotshana;
Amandla okucindezela; amandla aqinile we-foam aphansi, kodwa amandla okucindezela aphezulu; ijika layo elicindezelayo lokucindezeleka lingahlukaniswa libe indawo yokunwebeka eqondile, indawo yethafa lesivuno kanye nendawo eminyene. I-aluminiyamu enegwebu yokuvula imbobo ehlukene yokucindezela ukucindezeleka-strain ijika ijika ngokuyisisekelo iyafana, ikakhulukazi ukuphakama yesikhulumi plastic, ubukhulu imbobo angeke kube umane ubudlelwano bomugqa, kodwa kufanele kube uhla oluthile lokuvula ukuze ufinyelele inani eliphakeme kakhulu. . Amandla okuminyanisa i-aluminium enegwebu kanye nokuminyana nezinga lokuminyanisa lobudlelwano phakathi kwegrafu libonisa ukuthi ukuminyana okukhulu, kuqina ukuminyanisa;

Izici zokusebenza ze-aluminium foam materials

3. Isimilo sokumunca
Izinto zokwakha ezinezimbotshanaingasetshenziswa ukumunca. Ubuningi obuncane beshabhu budlala indima enkulu emandleni okumunca. Amaseli e-Foam mancane, anamandla futhi abamba ukushisa kahle. Okubalulekile kwegwebu kunethafa lengcindezi ende ngesikhathi sokucindezelwa futhi kudonsa amandla ngobunzima ngaphansi kwezimo zengcindezi engapheli. Amandla okumunca adinga indawo engaphansi kwejika le-stress-strain, ngakho-ke amandla amakhulu okudonsa lapho iplathifomu evumayo iphezulu futhi ibanzi. Ubukhulu bembotshana bunomphumela othile ekuphakameni kweplatifomu evumayo, futhi ukukhetha usayizi wembotshana ofanelekile kungathuthukisa ukukhanga kweplatifomu evumayo. Ukwengeza, amandla ayo okumunca ayahluka ngokungeyona i-monotonically ne-porosity, lapho amandla okumunca emakhulu ku-porosity ethile.
4. Ukusebenza kokudambisa
Ukusebenza okudambisayo yikhono lezinto ezibonakalayo lokuguqula amandla okudlidliza awenza abe amandla ashisayo ngenxa yezizathu zangaphakathi. Impahla ingasetshenziswa ngokugcwele ukunciphisa umsindo nokudlidliza okungadingekile. Indlela ebalulekile yokuthuthukisa ukusebenza kokumanzisa kwezinto zensimbi ukukhulisa ukusebenzisana phakathi kweziphambeko ukuze uthole ukudambisa okuphezulu komugqa nokwelula indlela yomshini ukuze kwandiswe ukudambisa okungaqondile. Imiphumela yokuhlolwa ikhombisa ukuthi izinto ezimbobozelayo zihambisana nezici zenhlangano zezinto eziswakeme kakhulu, futhi ukuba khona kwezimbotshana kunomthelela obalulekile ekuphenduleni okudambisayo kwezinye izinto ezingezona ezensimbi noma zensimbi.


Isikhathi sokuthumela: Nov-30-2023