Scandiumsisiqalelo sotshintsho kwaye yenye yezinto ezinqabileyo zomhlaba. Ineempawu ezigqwesileyo ezifana nokuthamba, iipropathi zeekhemikhali ezisebenzayo, ukuhanjiswa okuphezulu kunye nobunzima obuthile obuphantsi. Xa ifakwe kwi-aluminium alloys, inokuphucula kakhulu amandla, ukuqina kunye nezinye iimpawu ze-alloys. Luhlobo olutsha lwento yokulandelela uphuhliso lwamandla aphezulu, ubushushu obuphezulu kunye ne-high-corrosion-resistant aluminium alloys. Ekubeni i-melting point ye-scandium iphezulu kakhulu, kwi-1541 ° C, ngelixa i-melting point ye-aluminium i-660 ° C kuphela, iindawo zokunyibilika kwezinyithi ezimbini zihluke kakhulu, ngoko i-scandium kufuneka ifakwe kwi-alloy aluminium ngendlela ye-alloy ephakathi. Ngoko ke, ii-aluminium-scandium ephakathi i-alloysisitshixo imathiriyeli ekrwada ukulungiselelai-aluminium-scandium alloys.
Ukongeza amanani omkhondo we-scandium (0.15 ~ 0.5wt%) kwi-alloys ye-aluminium inokudlala indima efanelekileyo yokudibanisa. Okokuqala, inokucokisa ngokubonakalayo iinkozo zealloyi eziphosiweyo kwaye sisisulungesi esinamandla senkozo kwiialloys zealuminium. Okwesibini, inokunyusa i-recrystallization yeqondo lokushisa nge-250 ℃ ~ 280 ℃, isuse isakhiwo esihlaziyiweyo kwindawo echaphazelekayo kubushushu be-weld, kunye nesakhiwo esisezantsi se-matrix sinokutshintshela ngokuthe ngqo kwisakhiwo sokuphonswa kwe-weld ukuthintela ukuqhekeka okutshisayo kunye nokuphucula ukukhathala ukuxhathisa ukuphuka kwe-aluminium alloy. Yi-recrystallization inhibitor esebenzayo kwi-alloys ye-aluminium kwaye inempembelelo ebalulekileyo kwisakhiwo kunye neepropati ze-alloy, iphucula kakhulu amandla ayo, ukuqina, imodyuli e-elastic, ukusebenza kwe-welding, ukumelana nobushushu, ukuxhathisa ukubola kunye nokuchasana nomonakalo wemitha ye-neutron. Okwangoku, kuyaziwa ukuba amandlai-aluminium-scandium ingxubevangeinokufikelela ngaphezulu kwe-750MPa, kwaye i-elastic modulus inokugqithisa i-100GPa, eyi-30% ephezulu kunaleyo ye-alloys ye-aluminium yendabuko. Okwesithathu, inokudlala indima enhle ekuqinisweni kwe-dispersion, ukugcina isakhiwo esizinzileyo esingatshintshiyo kwimeko yokulungiswa okutshisayo okanye unyango lwe-annealing, kwaye luneempawu zokulungisa okushushu kunye nokubandayo kunye nokuzinza okuphezulu kwe-thermal. Okwesine, inokwenza iialloyi ze-aluminiyam zibe ne-superplasticity elungileyo. Emva konyango lwe-superplastic, ukunyuswa kwee-alloys ze-aluminium malunga ne-0.5% ye-scandium eyongeziweyo inokufikelela kwi-1100%.
Ngokusekelwe kwiimpawu ezibalaseleyo zoomatshini be-aluminium-scandium alloys ekhankanywe ngasentla, ukutyhutyha ibhotile yamandla e-aluminium yendabuko, kwaye igcina iprosesa elungileyo, iimveliso ezenziwe nge-alloys entsha ye-aluminium-scandium ziye zaqala ukubonakala kwiimarike zamazwe ahambele phambili njengeYurophu kunye ne-United States. I-aluminium-scandium alloys luhlobo lwe-alloy entsha ye-aluminiyam esebenza ngokuphezulu enamandla amakhulu, ukuqina okuphezulu, kunye nobunzima obulula. Zizizixhobo ezifanelekileyo zezakhiwo zenqwelomoya, iifreyimu zebhayisekile, iiklabhu zegalufa, njl.njl. Zikwasisizukulwana esitsha sezinto zokwakha ezinobunzima kunye nomgangatho ophezulu wokusebenza we-aluminiyam ye-aluminiyam ye-cutting-edge yelizwe lokhuselo kunye neshishini lomkhosi njengeenqanawa, inqwelomoya, i-aerospace, amandla enyukliya, kunye nezixhobo. Ikakhulu isetyenziselwa ukuwelda iindawo zesakhiwo ezithwele umthwalo we-aerospace, inqwelomoya, kunye neenqanawa, kunye nemibhobho ye-aluminiyam yealkaline yemithombo yeendaba eyonakalisayo, iitanki zeoyile kaloliwe, kunye neendawo eziphambili zoololiwe abahamba ngesantya esiphezulu. Zisetyenziswa kakhulu kwi-aerospace, uthutho, ishishini lenyukliya, i-electronics, izitya zokupakisha, kunye nezinye iinkalo.
Okwangoku, kukho iintlobo ezingaphezu kwewaka zezinto ze-aluminium alloy emhlabeni, eziye zenza igalelo elikhulu kwinkqubela yabantu. Ngophuhliso lwenzululwazi nobuchwepheshe kunye nokuphuculwa komgangatho wokuphila, ilizwe lam likwimfuno engxamisekileyo yokuphuhlisa iialloyi ezintsha ze-aluminiyam ezisebenza ngokuphezulu. Uphuhliso lwexabiso eliphantsi lwe-scandium-aluminium alloys oluphakathi lunokubeka isiseko esiluqilima sokuphuhliswa kwezi zixhobo zokusebenza eziphezulu, ukukhuthaza kakhulu uphuhliso lwelizwe lam loshishino lwe-aluminium kunye noshishino lwe-scandium, kunye nokukhuthaza ukuhlanganiswa koshishino lwelizwe lam lwe-aluminium kunye noshishino lwamazwe ngamazwe aluminiyam. Ngoko ke, iprojekthi yokulungiselela i-aluminium-scandium (ephakathi) i-alloy ibaluleke kakhulu kwaye iyimfuneko, kwaye isalathiso esibalulekileyo sophuhliso lwezixhobo ze-aluminium ze-alloy kwixesha elizayo.
Sikhethekileyo ekuboneleleni ngeAluminiyam Scandium Alloy ekumgangatho ophezulu wamkelekileQhagamshelana nathiukufumana ixabiso
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Ixesha lokuposa: Oct-31-2024