Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Effect of Process-Control Agents on Characteristics of Amorphous Al-Y-Ni-Co Alloy Powder Produced by Mechanical Alloying

  • Nguyen, H.V. (Research Center for Machine Parts and Materials Processing, School of Materials Science and Engineering, University of Ulsan) ;
  • Kim, J.C. (Research Center for Machine Parts and Materials Processing, School of Materials Science and Engineering, University of Ulsan) ;
  • Kim, J.S. (Research Center for Machine Parts and Materials Processing, School of Materials Science and Engineering, University of Ulsan) ;
  • Kwon, Y.J. (Research Center for Machine Parts and Materials Processing, School of Materials Science and Engineering, University of Ulsan) ;
  • Kwon, Y.S. (Research Center for Machine Parts and Materials Processing, School of Materials Science and Engineering, University of Ulsan)
  • Published : 2010.02.28
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Abstract

In this work, effect of various process-control agents (PCAs) on the mechanical alloying of amorphous alloy of $Al_{85}Y_8Ni_5Co_2$ has been investigated. The dependence of the particle shape, size and crystallization behavior of the amorphous alloy powders on the type of PCAs and their concentrations was investigated by using X-ray diffraction, field-emission scanning electron microscopy and differential scanning calorimetry. It was found that the additive of toluene could affect positively the amorphization and thermally induced crystallization processes, as well as the size refinement, morphology and particle-size distribution of as-milled powders in comparison with alloy obtained without PCA.

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References

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