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HomeKey Engineering MaterialsKey Engineering Materials Vol. 789Ball-Milling of Gas Atomized Al88Ce8Fe4 Powders

Ball-Milling of Gas Atomized Al₈₈Ce₈Fe₄ Powders

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Abstract:

Gas atomized Al88Ce8Fe4 alloy powders were ball-milled and investigated at charge ratiosof 5:1, 15:1 and 30:1 and milling speeds of 150 and 200 [RPM], respectively. The morphology,microstructure and composition of the powders were examined by laser diffraction technique, SEM,EDS and XRD. The result indicates the evolution of the powders under milling experiences initiallycold welding, aggregating the powders into larger-sized disk-shaped particles; followed byfragmentation, forming smaller-sized equiaxed particles; and finally leading to a steady state, whereparticles morphology, composition and phases keep constantly unchanged. This procedure has beentestified as a general rule for milling at each of the charge ratios of 5:1, 15:1 and 30:1 and at millingspeeds of 150 and 200 [RPM] while milling at larger charge ratios or higher speeds drives faster toreach the steady state at which homogeneous, fine-sized glassy powders can be obtained.

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Material Engineering and Application

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Periodical:

Key Engineering Materials (Volume 789)

Pages:

208-215

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.789.208

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Online since:

November 2018

Authors:

J. Zhang*, Jian We, August Chang, Chen Yuan Chang, Jin Rong Jia, Cai Xia Zhang, Ji Yu Jia, Dian Chen Feng, Xue Mei Wang, Yin Feng Zhao, Tao Li, Hong He, Yong Chang Huang, Sheng Li An

Keywords:

AlReTm Alloy, Ball Milling, Nanocrystallite, Powders

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* - Corresponding Author

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