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Effect of Ball-Milling Method on the Formation of ODS Fe-14Cr-2Al-1Si-0.3Ta-1Y2O3 Powders

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Abstract:

Mechanical alloying (MA) process has been examined to synthesize ferritic stainless steel powder dispersed with nano-sized Y2O3 particles. A pilot-scale horizontal mill was fabricated and compared with laboratory-scale ball mills and an attrition mill. Horizontal milling resulted in a much better distribution of particle size and dispersoids than other milling methods. Although horizontal milling is considered as a low-energy process requiring long times, processing time could be markedly reduced with increasing the diameter of horizontal mill with a proper control of milling parameters.

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Nanocomposites and Nanoporous Materials VIII View Preview

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Periodical:

Solid State Phenomena (Volume 135)

Pages:

65-68

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.135.65

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Online since:

February 2008

Authors:

Jung Ho Ahn, B. H. Park, J. Jang

Keywords:

Ferritic Stainless Steel (FSS), High-Energy Ball Milling (HEM), Mechanical Alloying (MA), Nano Dispersion

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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