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Phase Formation of Monotectic Al–In and Al–Ga–In Alloys and Implications Thereof

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Light Metals 2018 (TMS 2018)

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

The separation of phases in monotectic Al-In and Al–Ga–In alloys is studied. Different cooling rates result in different morphologies and dispersions of the secondary In or Ga–In phases in an Al matrix. Both uniform dispersion of In particles in an Al matrix and layered In phase along the Al grain boundaries are produced. Ga–In liquid phases are situated primarily along the Al grain boundaries. It is the co-effects of coalescence and particle pushing in addition to a monotectic reaction in solidification. The Ga–In layer along the Al grain boundaries acts as a catalyst in splitting water and provides a passageway for oxygen to oxide the Al matrix. As a result, hydrogen can be separated from water for clean energy applications.

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Author information

Authors and Affiliations

  1. School of Engineering Technology, Purdue University, 401 N. Grant Street, West Lafayette, IN, 47907, USA

    Xiaoming Wang & Xingtao Liu

Authors
  1. Xiaoming Wang
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  2. Xingtao Liu
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Corresponding author

Correspondence to Xiaoming Wang .

Editor information

Editors and Affiliations

  1. Rio Tinto Alcan, Saint Jean, France

    Olivier Martin

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© 2018 The Minerals, Metals & Materials Society

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Wang, X., Liu, X. (2018). Phase Formation of Monotectic Al–In and Al–Ga–In Alloys and Implications Thereof. In: Martin, O. (eds) Light Metals 2018. TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72284-9_38

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