Fabrication of Ni-Base ODS Alloys via Reactive Ball Milling

Ye Liu; Xuan Hui Qu; Lin Zhang; Ming Li Qin; De Zhi Zhang; Bao Rui Jia; Qi Ping Kang; Dil Faraz Khan

doi:10.4028/www.scientific.net/AMM.275-277.2221

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 275-277Fabrication of Ni-Base ODS Alloys via Reactive...

Fabrication of Ni-Base ODS Alloys via Reactive Ball Milling

Abstract:

By the use of YH₂ and NiO, oxide particles were introduced in Ni-base ODS alloys through reactive ball milling, which shows the advantages of energy-saving and uniform distribution of the oxide dispersion. The mophological and size evolution of ball milled powder were investigated, and the synthesized oxides were characterized. The results shows that the ball milled powder exhibits the feather of severe deformation. The disintegration of particles occurs after 10 h, and the balance of powder welding and fracturing is achieved around 25 h. the formation of Y₂O₃ with the size of 20~50 nm was confirmed by XRD and TEM results.

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Periodical:

Applied Mechanics and Materials (Volumes 275-277)

Pages:

2221-2225

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.275-277.2221

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Online since:

January 2013

Authors:

Ye Liu, Xuan Hui Qu, Lin Zhang, Ming Li Qin, De Zhi Zhang, Bao Rui Jia, Qi Ping Kang, Dil Faraz Khan

Keywords:

Ni-Base Alloys, Oxide Dispersion Strengthening, Reactive Mechanical Alloying, Transmission Electron Microscope

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