Scandiumke karolo ea phetoho le e 'ngoe ea likarolo tse sa tloaelehang tsa lefatše. E na le thepa e babatsehang e kang bonolo, lik'hemik'hale tse sebetsang, conductivity e phahameng le matla a tlaase a khethehileng. Ha e kenyelletsoa ho li-alloys tsa aluminium, e ka ntlafatsa haholo matla, ho tiea le lintho tse ling tsa li-alloys. Ke mofuta o mocha oa trace element bakeng sa nts'etsopele ea li-alloys tsa aluminium tse nang le matla a phahameng, tse sa keneleng mocheso o phahameng le tse thibelang ho bola. Kaha ntlha ea ho qhibiliha ha scandium e phahame haholo, ka 1541 ° C, ha ntlha ea ho qhibiliha ha aluminium e le 660 ° C feela, lintlha tse qhibilihisang tsa tšepe tse peli li fapane haholo, kahoo scandium e tlameha ho kenngoa ho motsoako oa aluminium ka mokhoa. ya motsoako o mahareng. Ka hona, thealuminium-scandium motsoako oa boharengke ntho e ka sehloohong e tala bakeng sa ho lokisetsalisebelisoa tsa aluminium-scandium.
Ho kenyelletsa lipalo tsa scandium (0.15 ~ 0.5wt%) ho li-alloys tsa aluminium ho ka bapala karolo e ntle ea ho kopanya. Ntlha ea pele, e ka ntlafatsa haholo lithollo tsa li-alloys tse entsoeng ka tšepe 'me ke sehloekisi se matla sa lijo-thollo bakeng sa lisebelisoa tsa aluminium. Ea bobeli, e ka eketsa mocheso oa recrystallization ka 250 ℃ ~ 280 ℃, ea felisa mohaho o tsosolositsoeng sebakeng se amehileng ke mocheso oa weld, 'me sebopeho se tlaase sa matrix se ka fetela ka ho toba mohahong oa chese ho thibela ho phatloha ho chesang. le ho ntlafatsa mokhathala oa fracture khanyetso ea motsoako oa aluminium. Ke inhibitor e sebetsang ea recrystallization bakeng sa lisebelisoa tsa aluminium 'me e na le phello e kholo ho sebopeho le thepa ea motsoako, e ntlafatsa haholo matla a eona, ho thatafala, modulus ea elastic, ts'ebetso ea welding, ho hanyetsa mocheso, ho hanyetsa kutu le ho hanyetsa tšenyo ea mahlaseli a neutron. Hona joale, hoa tsebahala hore matla amotsoako oa aluminium-scandiume ka fihla ho feta 750MPa, 'me modulus ea elastic e ka feta 100GPa, e leng 30% e phahameng ho feta ea li-alloys tsa setso tsa aluminium. Ntlha ea boraro, e ka phetha karolo e ntle ea ho matlafatsa ho hasana, ho boloka mohaho o tsitsitseng o sa kang oa tsosolosoa boemong ba ho chesa kapa ho phekola annealing, 'me o na le litšobotsi tsa ts'ebetso e ntle e chesang le e batang le botsitso bo phahameng ba mocheso. Ea bone, e ka etsa hore li-alloys tsa aluminium li be le superplasticity e ntle. Ka mor'a phekolo ea superplastic, elongation ea li-alloys tsa aluminium tse ka bang 0.5% scandium e ekelitsoeng e ka fihla ho 1100%.
Ho ipapisitsoe le thepa e ntle ea mochini oa li-alloys tsa aluminium-scandium tse boletsoeng ka holimo, e phunyeletsa botlolo ea matla a motsoako oa aluminium ea setso, 'me e ntse e boloka ts'ebetso e ntle, lihlahisoa tse entsoeng ka lisebelisoa tse ncha tsa aluminium-scandium li se li qalile ho hlaha limmarakeng tsa linaha tse tsoetseng pele joalo. joalo ka Europe le United States. Lisebelisoa tsa aluminium-scandium ke mofuta oa motsoako o mocha oa aluminium o sebetsang hantle o nang le matla a holimo, o thata haholo, le boima bo bobebe. Ke lisebelisoa tse loketseng bakeng sa likarolo tsa sebopeho sa lifofane, liforeimi tsa libaesekele, lihlopha tsa kolofo, joalo-joalo hape ke moloko o mocha oa lisebelisoa tsa sebopeho sa aluminium tse bobebe le tse sebetsang hantle bakeng sa masimo a hahelletsoeng a ts'ireletso ea naha le indasteri ea sesole joalo ka likepe, lifofane, sepakapaka, matla a nyutlelie le libetsa. Li sebelisoa haholo-holo bakeng sa likarolo tsa sebopeho se jarang meroalo ea sefofane, sefofane le likepe, hammoho le liphaephe tsa alloy alloy bakeng sa tikoloho e senyang ea alkaline, litanka tsa oli ea terene, le likarolo tsa bohlokoa tsa meralo ea literene tse lebelo le holimo. Li sebelisoa haholo sebakeng sa sefofane, lipalangoang, indastering ea nyutlelie, lisebelisoa tsa elektroniki, lijana tsa ho paka le mafapha a mang.
Hona joale, ho na le mefuta e fetang sekete ea lisebelisoa tsa aluminium alloy lefatšeng, tse entseng tlatsetso e kholo tsoelo-peleng ea batho. Ka nts'etsopele ea mahlale le thekenoloji le ntlafatso ea maemo a bophelo, naha ea heso e hloka ka potlako ho hlahisa lisebelisoa tse ncha tsa aluminium tse sebetsang hantle haholo. Nts'etsopele ea li-alloys tse mahareng tsa scandium-aluminium tse theko e tlase li ka rala motheo o tiileng bakeng sa nts'etsopele ea lisebelisoa tsena tse sebetsang hantle, ho khothaletsa haholo nts'etsopele ea indasteri ea aluminium ea naha ea heso le indasteri ea scandium, le ho khothaletsa ho kopanngoa ha indasteri ea aluminium ea naha ea heso le indasteri ea machaba ea aluminium. Ka hona, morero oa ho lokisetsa aluminium-scandium (bohareng) motsoako ke oa bohlokoa haholo ebile oa hlokahala, 'me ke tataiso ea bohlokoa bakeng sa nts'etsopele ea lisebelisoa tsa alloy aluminium nakong e tlang.
Re ikhethetse ho fana ka Aluminium Scandium Alloy e nang le boleng bo phahameng ba kamohelo hoiteanye le ronaho fumana theko
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Nako ea poso: Oct-31-2024