Kugwiritsa ntchito Rare Earth mu Magnesium Alloy

Phindu la nthaka yosowa pazinthu zachitsulo zopanda chitsulo ndi zowonekera kwambiri muzitsulo za magnesium. Sikuti amangopanga zosokoneza za Mg-RE aloyi, komanso zimakhala ndi zotsatira zoonekeratu pa Mg-Al, Mg-Zn ndi machitidwe ena aloyi. Ntchito yake yayikulu ndi iyi:
1. Yenga njere
Miyendo yoyenera ya nthaka yosowa imatha kuyeretsa mbewu za magnesium ndi magnesium alloys. Choyamba ndicho kuyenga mbewu za makonzedwe oumba. Limagwirira wa kuponya makonzedwe a osowa lapansi zinthu kuyeretsa magnesium aloyi si zochita za heterogeneous nuclei. Njira yoyengedwera bwino tirigu wa magnesium ndi magnesium alloy grain sinof za zinthu zosowa zapadziko lapansi ndikuwonjezereka kwa kuzizira kwambiri pamphepete mwa crystallization. Chachiwiri ndi kuteteza recrystallization ndi mbewu kukula mu kutentha processing ndondomeko annealing.
2. Kuyeretsa kumasungunuka
Zinthu zosawerengeka zapadziko lapansi zimalumikizana kwambiri ndi kuyabwa kuposa magnesiamu ndi okosijeni, kotero zimatha kuyikidwa ndi ma oxide a Rare Earth omwe amakumana ndi Mgo ndi ma oxide ena osungunuka ndikuchotsa oxidizing. Imasanganikirana ndi haidrojeni ndi nthunzi wamadzi posungunula, kupanga kapena ma oxides osowa padziko lapansi omwe amafika pacholinga chotulutsa mpweya. Pamodzi mutha kuwonjezera kusungunuka kwamadzi ndikuchepetsa kufota, kupita patsogolo.
3. Pang'onopang'ono kutentha aloyi mphamvu ya chipinda
Zinthu zambiri zapadziko lapansi mu magnesium zimakhala ndi gawo lalikulu la kusungunuka kolimba, ndipo ndi kutentha kwa selyses pali kusintha kwakukulu pamlingo wa solubility, kotero kuti zinthu zapadziko lapansi zosowa kwambiri kuwonjezera pa kulimbitsa sungunuka kolimba, zikadali zothandiza kukalamba kulimbitsa aloyi a magnesium, mankhwala ena osowa padziko lapansi ndi kulimbikitsanso kwapawiri.
4. Kukhazikika kwa kutentha kwa ntchito zamakina opitilira aloyi
Zinthu zosawerengeka zapadziko lapansi ndizothandiza kwambiri polimbana ndi kutentha kwa magnesium aloyi, zimatha kusintha kwambiri kutentha kwamphamvu kwa Mg aloyi ndi kutentha kwambiri kukana, zomwe zili ndi zifukwa zambiri: osowa dziko lapansi lopanda kanthu mu magnesium ndi laling'ono, limatha kuchedwetsa kukonzanso komanso kupititsa patsogolo kutentha kwa recrystallization, onjezerani kukalamba komanso kusungunuka kwagawo lotenthetserako kukhazikika kwapadziko lapansi. malire, amalepheretsa kusuntha kolakwika, ndikupititsa patsogolo kutentha kwamphamvu kwamphamvu.
5. Pang'onopang'ono aloyi dzimbiri kukana
Chifukwa chakuti kusungunuka kumayeretsedwa, zotsatira zovulaza za chitsulo chonyansa, ndi zina zotero zimachepetsedwa, ndiyeno kukana kwa dzimbiri kumakhala bwino.