Effect of Cooling Rate on Nano-Eutectic Formation in Laser Surface Remelted and Rare Earth Modified Hypereutectic Al-20Si Alloys

Effect of Cooling Rate on Nano-Eutectic Formation in Laser Surface Remelted and Rare Earth Modified Hypereutectic Al-20Si Alloys

Laser Surface Remelting (LSR) was applied to arc-melted Al-20Si-0.2Sr, Al-20Si-0.2Ce, and Al-20Si hypereutectic alloys to refine microstructures. Experiments revealed that microstructures in the melt pool varied from fully eutectic to a mixture of Al dendrites and inter-dendritic eutectic. We calcul...

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Bibliographic Details
Main Authors: Metin Kayitmazbatir, Huai-Hsun Lien, Jyoti Mazumder, Jian Wang, Amit Misra
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Crystals
Subjects:
laser surface remelting
hypereutectic Al-Si
rare earth element alloying
Online Access:https://www.mdpi.com/2073-4352/12/5/750

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