I-Scandiumiyisici soguquko futhi ingesinye sezakhi zomhlaba eziyivelakancane. Inezici ezinhle kakhulu njengokuthambile, izakhiwo zamakhemikhali ezisebenzayo, ukuhanjiswa okuphezulu kanye namandla adonsela phansi aphansi. Uma yengezwe kuma-alloys e-aluminium, ingathuthukisa kakhulu amandla, ukuqina kanye nezinye izakhiwo zama-alloys. Iwuhlobo olusha lwe-trace element yokuthuthukisa amandla aphezulu, ama-alloys e-aluminium angakwazi ukumelana nokushisa okuphezulu kanye ne-high-corrosion-resistant-resisance alloys. Njengoba indawo yokuncibilika ye-scandium iphakeme kakhulu, ku-1541 ° C, kuyilapho indawo yokuncibilika kwe-aluminium ingu-660 ° C kuphela, amaphuzu okuncibilika kwezinsimbi ezimbili ahluke kakhulu, ngakho-ke i-scandium kufanele yengezwe ku-aluminium alloy ngendlela ye-alloy ephakathi. Ngakho-ke, i-ingxubevange ye-aluminium-scandium ephakathiiwukhiye wempahla esetshenziswayo yokulungiselelaama-alloys e-aluminium-scandium.
Ukwengeza amanani omkhondo we-scandium (0.15~0.5wt%) kuma-alloys e-aluminium kungadlala indima enhle yokuhlanganisa. Okokuqala, ingakwazi ukucwenga ngokuphawulekayo izinhlamvu zama-alloys futhi iyisicwengisisi esinamandla sokusanhlamvu sama-alloys e-aluminium. Okwesibili, ingakhuphula izinga lokushisa lokuvuselela kabusha ngo-250 ℃ ~ 280 ℃, isuse isakhiwo esiphinde sakhiwe kabusha endaweni ethinteke ukushisa ye-weld, futhi isakhiwo esingaphansi kwe-matrix singashintsha ngokuqondile esakhiweni se-cast of weld ukuvimbela ukuqhekeka okushisayo nokuthuthukisa ukumelana nokukhathala kokuphuka kwengxube ye-aluminium. Kuyi-recrystallization inhibitor esebenzayo yama-alloys e-aluminium futhi inomthelela obalulekile esakhiweni nasezindaweni ze-alloy, ithuthukisa kakhulu amandla ayo, ubulukhuni, i-elastic modulus, ukusebenza kwe-welding, ukumelana nokushisa, ukumelana nokugqwala nokumelana nokulimala kwemisebe ye-neutron. Okwamanje, kuyaziwa ukuthi amandlaingxube ye-aluminium-scandiumingafinyelela ngaphezu kuka-750MPa, futhi imodulus enwebekayo ingadlula i-100GPa, ephakeme ngo-30% kunaleyo yama-alloys endabuko e-aluminium. Okwesithathu, ingadlala indima enhle ekuqiniseni ukuhlakazeka, ukugcina isakhiwo esizinzile esingenasici kabusha esimweni sokucubungula okushisayo noma ukwelashwa kwe-annealing, futhi inezici zokucubungula okuhle okushisayo nokubandayo kanye nokuzinza okuphezulu kokushisa. Okwesine, ingenza ama-alloys e-aluminium abe ne-superplasticity enhle. Ngemuva kokwelashwa kwe-superplastic, ukunwetshwa kwe-aluminium alloys ene-scandium engaba ngu-0.5% engeziwe kungafinyelela ku-1100%.
Ngokusekelwe ezintweni ezinhle kakhulu zemishini yama-alloys e-aluminium-scandium okukhulunywe ngawo ngenhla, ukubhodloza ibhodlela lamandla engxube ye-aluminium yendabuko, futhi namanje igcina ukucutshungulwa okuhle, imikhiqizo eyenziwe ngama-alloys amasha e-aluminium-scandium isiqalile ukubonakala kancane kancane ezimakethe zamazwe athuthukile njengeYurophu ne-United States. Ama-alloys e-aluminium-scandium awuhlobo lwealloy entsha esebenza kahle kakhulu enamandla amakhulu, ukuqina okuphezulu, nesisindo esilula. Ziyizinto ezikahle zezingxenye zesakhiwo sezindiza, amafreyimu amabhayisikili, amakilabhu egalofu, njll. Futhi ziyisizukulwane esisha sezinto zokwakha ze-aluminium alloy engasindi futhi esebenza kahle kakhulu yezinkambu ezisezingeni eliphezulu zomkhakha wezokuvikela kazwelonke nezempi njengemikhumbi, ezondiza, i-aerospace, amandla enuzi, nezikhali. Ikakhulukazi isetshenziselwa ukushisela izingxenye zesakhiwo esithwala imithwalo ye-aerospace, indiza, nemikhumbi, kanye namapayipi e-aluminium alloy ezindaweni zemithombo ye-alkali egqwalile, amathangi kawoyela kaloliwe, kanye nezingxenye ezibalulekile zesakhiwo sezitimela ezihamba ngesivinini esikhulu. Zisetshenziswa kabanzi ku-aerospace, ezokuthutha, imboni yenuzi, i-electronics, iziqukathi zokupakisha, neminye imikhakha.
Njengamanje, kunezinhlobo ezingaphezu kwenkulungwane ze-aluminium alloy materials emhlabeni, ezibe negalelo elikhulu ekuthuthukisweni komuntu. Ngokuthuthuka kwesayensi nobuchwepheshe kanye nokwenza ngcono izinga lokuphila, izwe lami linesidingo esiphuthumayo sokwakha ama-alloys amasha e-aluminium asebenza kahle kakhulu. Ukuthuthukiswa kwezingxube eziphakathi nendawo ze-scandium ne-aluminium engabizi kakhulu kungabeka isisekelo esiqinile sokuthuthukiswa kwalezi zinto ezisebenza kahle kakhulu, kukhuthaze kakhulu ukuthuthukiswa kwemboni ye-aluminium yezwe lami kanye nemboni ye-scandium, futhi kukhuthaze ukuhlanganiswa kwemboni ye-aluminium yezwe lakithi nemboni yamazwe ngamazwe ye-aluminium. Ngakho-ke, iphrojekthi yokulungiselela i-aluminium-scandium (ephakathi) i-alloy ibaluleke kakhulu futhi inesidingo, futhi iyisiqondiso esibalulekile sokuthuthukiswa kwezinto ze-aluminium alloy esikhathini esizayo.
Sikhethe ukuhlinzeka nge-Aluminium Scandium Alloy ngekhwalithi ephezulu eyamukelekile kuyoXhumana nathiukuthola inani
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Isikhathi sokuthumela: Oct-31-2024