Uyazazi izinga lokushisa eliphansi lama-alloys e-aluminium?

Uyazazi izinga lokushisa eliphansi lama-alloys e-aluminium?

Izitimela ezihamba ngesivinini esiphezulu zishiselwe nge-aluminium, kanti abanye olayini besitimela abahamba ngesivinini esiphezulu badlula endaweni ebandayo engu-30 degrees Celsius;ezinye izinsimbi, izinto zokusebenza kanye nezidingo zansuku zonke emkhunjini wocwaningo lwesayensi ye-Antarctic zenziwe nge-aluminium futhi zidinga ukumelana nokukhipha ukuhlolwa kwamadigri angamashumi ayisithupha nesikhombisa;ezinye zemishini emikhunjini yabathengisi esuka e-China idlula e-Arctic iye e-Europe nayo yenziwe nge-aluminium, eminye yayo evezwa ngaphandle, futhi izinga lokushisa lendawo liphinde libe ngu-560 degrees Celsius;

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Ingabe bangakwazi ukusebenza ngendlela evamile endaweni ebandayo kangaka?

Impendulo ithi 'Ayikho inkinga, ingxubevange ye-aluminium kanye nomkhiqizo we-aluminium akwesabi kakhulu ukubanda nokushisa.

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I-Aluminium ne-aluminium alloys yizinto ezihamba phambili ezisezingeni eliphansi lokushisa.Abanakho ukushisa okuphansi kwezinga lokushisa.Akuwona ama-low-temperature brittle njengensimbi evamile nama-nickel alloys.Izakhiwo zabo zamandla zikhuphuka ngokushisa, kodwa ipulasitiki nokuqina kuyalandela.Ukwehla kwezinga lokushisa kuncishisiwe, okungukuthi, kukhona ukushisa okuphansi okuphawulekayo okuphansi.Kodwa-ke, i-aluminium ne-aluminium alloys ihluke kakhulu, futhi awukho umkhondo wokushisa okuphansi kwe-brittleness.Zonke izakhiwo zabo zemishini zanda kakhulu ngokuncipha kwezinga lokushisa, kungakhathaliseki ukuthi ukwakheka kwezinto ezibonakalayo, kungakhathaliseki ukuthi i-aluminium alloy ephonsiwe noma i-aluminium alloy ekhubazekile, kungakhathaliseki ukuthi i-powder metallurgy alloy noma into eyinhlanganisela;akuhlangene nesimo sezinto ezibonakalayo, kungakhathaliseki ukuthi kusesimweni sokucubungula noma esimweni sokwelashwa kokushisa;iphinde izimele kunqubo yokulungiselela ingot, kungakhathaliseki ukuthi igoqwe nge-ingot noma ngokuqhubekayo iphonswa ngokuncibilika.Ukugoqa okugoqiwe noma okuqhubekayo;akukho budlelwano nenqubo yokukhipha i-aluminium, i-electrolysis, ukunciphisa i-carbothermal, ukukhishwa kwamakhemikhali, akukho brittleness ephansi lokushisa;akukho ukuncika ekuhlanzekeni, kungakhathaliseki ukuthi i-99.50% ~ 99.79% ye-aluminium ehlanzekile yenqubo , noma 99.80%~99.949% i-aluminium yokuhlanzeka okuphezulu, 99.950% ~ 99.9959% i-ultra-purity aluminium (Super Purity), 99.99960% ukuhlanzeka okwedlulele. , >99.9990% i-aluminium yokuhlanzeka kwe-ultra-high, njll. Ayikho i-brittleness ephansi yezinga lokushisa.

Ngokuthakazelisayo, ezinye izinsimbi ezimbili ezikhanyayo-i-magnesium ne-titanium-abanakho ukuqina kwezinga lokushisa eliphansi njenge-aluminium.

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Isikhathi sokuthumela: Nov-06-2019