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HomeMaterials Science ForumMaterials Science Forum Vol. 793CuAl2 Intermetallic Alloy Subjected to the...

CuAl₂ Intermetallic Alloy Subjected to the Hydrogen Embrittlement Reaction by Using Mechanical Attrition in Water

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Abstract:

Al based intermetallic materials are commonly susceptible to hydrogen embrittlement reaction. Water vapor in the air reacts with the aluminum in the alloy and releasing hydrogen. Thus, the aid of this work is to know how much hydrogen can be released when the embrittlement reaction is induced inside the milling container. For this purpose the CuAl₂ intermetallic material was made by conventional castings methods and then subjected to high-energy ball milling in water. The samples were characterized by X-ray diffraction pattern, attenuated total reflectance spectroscopy and scanning electron microscopy (SEM). After the milling process, the amount of hydrogen released was correlated with the other reaction products obtained during the reaction. These products were primarily aluminum hydroxides. The amount of hydrogen that can be released is similar to the theoretical amount possible that can be released.

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Structural and Chemical Characterization of Metals, Alloys and Compounds II

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Periodical:

Materials Science Forum (Volume 793)

Pages:

29-35

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.793.29

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Online since:

May 2014

Authors:

Ares G. Hernández-Torres*, F. Mares-Briones, J.R. Romero-Romero, G. Rosas

Keywords:

Generation, Hydrogen, Intermetallic, QPA Analysis, Rietveld

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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