On the Mechanical Milling of the AlCuFe Icosahedral Phase with Water

C. Patiño-Carachure; J. Luis López-Miranda; F. de la Rosa; M. Abatal; R. Pérez; Gerardo Antonio Rosas Trejo

doi:10.4028/www.scientific.net/MSF.793.23

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HomeMaterials Science ForumMaterials Science Forum Vol. 793On the Mechanical Milling of the AlCuFe...

On the Mechanical Milling of the AlCuFe Icosahedral Phase with Water

Abstract:

In this investigation the Al₆₄Cu₂₄Fe₁₂ alloy was melted in an induction furnace and solidified under normal casting conditions. The as-cast sample was subject to a heat treatment at 700 ^oC under argon atmosphere in order to obtain the icosahedral quasicrystalline phase in a monophase region. Subsequently, the icosahedral phase was milled for different times and water added conditions. The pre-alloyed and milled powders were characterized using scanning electron microscopy, X-Ray diffraction, and transmission electron microscopy. The experimental results showed that the icosahedral phase is sensitive to the reaction between water and aluminum of the quasicrystalline alloy to generate hydrogen. As the milling time and the amount of water are increased, the embrittlement reaction of the alloy is accentuated releasing more hydrogen.

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Periodical:

Materials Science Forum (Volume 793)

Pages:

23-27

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.793.23

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Online since:

May 2014

Authors:

C. Patiño-Carachure*, J. Luis López-Miranda, F. de la Rosa, M. Abatal, R. Pérez, Gerardo Antonio Rosas Trejo

Keywords:

High-Energy Ball Milling, Quasicrystals, Structural Characterization, Thermal Treatment

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