Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/17433
Title: Microstructure development in laser forming of zirconium coatings on AZ91D magnesium alloy substrates
Authors: Yue, TM 
Xie, H
Lin, X
Yang, HO
Issue Date: 2012
Source: Journal of alloys and compounds, 2012, v. 512, no. 1, p. 328-331
Abstract: Zr-coatings were fabricated on AZ91D magnesium alloy substrates using laser forming by means of a blow powder technique. Multi-passes were required to form a pure Zr top coating layer on the AZ91D Mg substrate. The microstructure and phases of the coating were studied using XRD, EDS and SEM. The alloy element Al in AZ91 alloy was found to be important for the formation of a metallurgically bonded interface between the Zr coating and the matrix material. The coating can be classified as a three-layer structure with a pure Zr layer at the top surface. The development of the coating microstructure is explained with the aid of a schematic solidification scheme.
Keywords: Coating
Laser forming
Magnesium
Microstructure
Solidification
Zirconium
Publisher: Elsevier
Journal: Journal of alloys and compounds 
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2011.09.091
Appears in Collections:Journal/Magazine Article

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