Nanomechanics of Mg-Al intermetallic compounds

Zhang, M. -X, Huang, H., Spencer, K. and Shi, Y. N. (2010) Nanomechanics of Mg-Al intermetallic compounds. Surface and Coatings Technology, 204 14: 2118-2122. doi:10.1016/j.surfcoat.2009.11.031

Author Zhang, M. -X
Huang, H.
Spencer, K.
Shi, Y. N.
Title Nanomechanics of Mg-Al intermetallic compounds
Journal name Surface and Coatings Technology   Check publisher's open access policy
ISSN 0257-8972
Publication date 2010-04-15
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.surfcoat.2009.11.031
Volume 204
Issue 14
Start page 2118
End page 2122
Total pages 5
Editor Matthews, A.
Sartwell, B.D.
Place of publication Lausanne, Switzerland
Publisher Elsevier S.A.
Language eng
Subject C1
100799 Nanotechnology not elsewhere classified
970109 Expanding Knowledge in Engineering
Formatted abstract
Cold spraying of pure Al powder on a pure Mg substrate together with subsequent post-spray annealing treatment produced Mg17Al12 (β-phase) and Mg2Al3 (γ-phase) intermetallic layers on the surface of the substrate. These layers showed significantly better nanomechanical properties, including the reduced elastic modulus and nanohardness, which were determined using nanoindentation, than commercial purity Mg and AZ91 alloys. Combined with their improved corrosion resistance, it is believed that both the γ-phase and the β-phase layers can provide effective protection of Mg alloys from wear and corrosion. The effect of post-spray annealing process on the formation of thick, uniform and dense intermetallic layers on pure Mg substrate was also investigated. © 2009 Elsevier B.V. All rights reserved
Keyword Magnesium alloy
Intermetallic compound
Kinetic metallization
Cold spray
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 29 November 2009

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Created: Sun, 11 Apr 2010, 10:00:35 EST