4.7 Article

Bonding of immiscible Mg and Fe via a nanoscale Fe2Al5 transition layer

Journal

SCRIPTA MATERIALIA
Volume 65, Issue 11, Pages 982-985

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.08.026

Keywords

Bonding; Orientation relationships; Immiscible system; Intermetallic compounds; Magnesium alloy and steel

Funding

  1. Natural Sciences and Engineering Research Council (NSERC) of Canada
  2. AUTO21 Network of Centres of Excellence of Canada

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Bonding of immiscible systems is difficult due to the sharp interface and high interfacial energy. A nanoscale transition layer with lattice matching to both sides could be a solution. To examine this hypothesis, Mg and Fe were successfully bonded by a precoated nanoscale Fe2Al5 layer, which in crystallographic terms matched well with both lattices. The interplanar mismatches of both Fe2Al5/Fe and Fe2Al5/Mg interfaces were less than 5% and both interfaces were found to be semicoherent. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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