Aluminiyamu Scandium Aloyi

Scandiumndi chinthu chosinthika komanso chimodzi mwazinthu zosowa zapadziko lapansi. Lili ndi zinthu zabwino kwambiri monga kufewa, zogwira ntchito zamakina, madulidwe apamwamba komanso mphamvu yokoka yochepa. Mukawonjezeredwa kuzitsulo za aluminiyumu, zimatha kusintha kwambiri mphamvu, kulimba ndi zina zazitsulo. Ndi mtundu watsopano wa trace element yopangira ma aluminiyamu amphamvu kwambiri, osatentha kwambiri komanso osawononga dzimbiri. Popeza malo osungunuka a scandium ndi okwera kwambiri, pa 1541 ° C, pamene malo osungunuka a aluminiyumu ndi 660 ° C okha, malo osungunuka a zitsulo ziwirizo ndi zosiyana kwambiri, kotero scandium iyenera kuwonjezeredwa ku alloy aluminium monga mawonekedwe a alloy apakatikati. Chifukwa chake, aaluminium-scandium wapakatikati aloyindi kiyi zopangira pokonzekerazitsulo za aluminiyamu-scandium.

Kuonjezera kuchuluka kwa scandium (0.15 ~ 0.5wt%) pazitsulo za aluminiyamu kumatha kutenga gawo labwino la alloying. Choyamba, imatha kuyeretsa kwambiri njere zazitsulo zotayidwa ndipo ndi choyenga champhamvu chambewu chazitsulo za aluminiyamu. Chachiwiri, akhoza kuonjezera kutentha recrystallization ndi 250 ℃ ~ 280 ℃, kuthetsa dongosolo recrystallized mu zone kutentha anakhudzidwa wa weld, ndi dongosolo subgrained wa masanjidwewo akhoza mwachindunji kusintha kwa kuponyedwa dongosolo la weld kuteteza akulimbana otentha ndi kusintha kutopa fracture kukana aloyi zotayidwa. Ndiwothandiza recrystallization inhibitor kwa aloyi zotayidwa ndipo zimakhudza kwambiri dongosolo ndi katundu wa aloyi, kwambiri kuwongolera mphamvu zake, kuuma, zotanuka modulus, kuwotcherera ntchito, kukana kutentha, kukana dzimbiri ndi kukana nyutroni poizoniyu kuwonongeka. Pakali pano, zimadziwika kuti mphamvu yaaluminium-scandium aloyiimatha kufika kupitirira 750MPa, ndipo modulus yotanuka imatha kupitirira 100GPa, yomwe ndi 30% yapamwamba kuposa yazitsulo zamtundu wa aluminiyamu. Chachitatu, imatha kukhala ndi gawo labwino pakulimbitsa kubalalitsidwa, kusunga chokhazikika chosasinthika m'malo otenthetsera kapena kutenthetsa, ndipo imakhala ndi mawonekedwe akukonzekera bwino kutentha ndi kuzizira komanso kukhazikika kwamafuta ambiri. Chachinayi, imatha kupanga ma aloyi a aluminiyamu kukhala ndi superplasticity yabwino. Pambuyo pamankhwala apamwamba kwambiri, elongation ya ma aluminiyamu aloyi ndi pafupifupi 0,5% scandium anawonjezera amatha kufika 1100%.

Kutengera ndi zida zabwino zamakina azitsulo za aluminiyamu-scandium zomwe tazitchula pamwambapa, kuswa mphamvu zamtundu wa aluminiyamu aloyi, ndikusungabe bwino, zinthu zopangidwa ndi zitsulo zotayidwa zatsopano za aluminium-scandium zayamba kuwonekera m'misika yamayiko apamwamba monga Europe ndi United States. Aluminiyamu-scandium aloyi ndi mtundu wa aloyi watsopano wa aluminiyumu wochita bwino kwambiri wokhala ndi mphamvu zambiri, wolimba kwambiri, komanso wopepuka. Iwo ndi zipangizo abwino kwa mbali ndege structural, mafelemu njinga, zibonga gofu, etc. Iwo alinso mbadwo watsopano wa opepuka ndi mkulu-ntchito zotayidwa aloyi structural zipangizo kudula-m'mphepete minda chitetezo dziko ndi asilikali monga zombo, ndege, Azamlengalenga, mphamvu nyukiliya, ndi zida. Amagwiritsidwa ntchito kwambiri powotcherera mbali zonyamula katundu zazamlengalenga, ndege, ndi zombo, komanso mapaipi a aluminiyamu aloyi m'malo owononga amchere amchere, akasinja amafuta a njanji, ndi magawo ofunikira a masitima othamanga kwambiri. Amagwiritsidwa ntchito kwambiri muzamlengalenga, zoyendera, mafakitale anyukiliya, zamagetsi, zotengera zonyamula katundu, ndi zina.

Pakalipano, pali mitundu yoposa chikwi cha zida za aluminiyamu padziko lapansi, zomwe zathandizira kwambiri kupita patsogolo kwa anthu. Ndi chitukuko cha sayansi ndi luso lamakono komanso kusintha kwa moyo, dziko langa likufunika mwamsanga kupanga ma aluminiyamu atsopano ogwira ntchito kwambiri. Kukula kwa zotayira zotsika mtengo scandium-zotayidwa wapakatikati aloyi akhoza kuyala maziko olimba chitukuko cha zipangizo mkulu-ntchito, kwambiri kulimbikitsa chitukuko cha dziko langa mafakitale zotayidwa ndi scandium makampani, ndi kulimbikitsa kusakanikirana kwa dziko langa zotayidwa makampani ndi makampani zotayidwa mayiko. Choncho, ntchito yokonzekera aluminium-scandium (yapakatikati) aloyi ndi yofunika kwambiri komanso yofunikira, ndipo ndi njira yofunikira pakupanga zida za aluminiyamu m'tsogolomu.

Tidakhazikika popereka Aluminium Scandium Alloy ndi kulandiridwa kwapamwamba kwambiriLumikizanani nafekuti ndipeze mtengo

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