Journal of Materials Science

, Volume 42, Issue 15, pp 6153–6160 | Cite as

Laser multi-layer cladding of Zr65Al7.5Ni10Cu17.5 amorphous alloy on magnesium substrates

  • Tai Man YueEmail author
  • Yun P. Su


A coating about 3-mm thick of the amorphous alloy, Zr65Al7.5Ni10Cu17.5 was fabricated on magnesium substrates using the technique of laser multi-layer cladding protected under an atmosphere of argon gas. The coating exhibited a graded microstructure, which could be generally categorized into three classes: an amorphous phase, an amorphous–nanocrystalline composite, and one which is predominantly crystalline. Formation of the latter two was due to the reheating effect of the laser cladding process. With regard to properties, the microhardness and the wear resistance of the composite material were both higher than that of the monolithic amorphous material; both materials showed excellent corrosion resistance in a 3.5% NaCl solution.


Magnesium Alloy Amorphous Phase Electrochemical Impedance Spectroscopy Amorphous Alloy Amorphous Layer 



The work described in this paper was fully supported by a grant from the Research Grants Council of the Hong Kong Special Administrative Region, China (Project No. PolyU 5315/04E). The authors also thank the Hong Kong Polytechnic University and Northwetern Polytechnical University for providing the research facilities.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.The Advanced Manufacturing Technology Research Centre, Department of Industrial and Systems EngineeringThe Hong Kong Polytechnic UniversityHung HomHong Kong

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