Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6915
Title: Laser-processing-induced phase transformation in Zn- Al-based alloy
Authors: Zhu, YH
Chavez-Carvayar, JA
Man, HC 
Villagran, M
Keywords: Lser beam effects
Metallographic microstructure
Microcracking
Morphology
Phase transitions
Scanning electron microscopy
Supersaturation
X ray analysis
Issue Date: Nov-1999
Publisher: Cambridge University Press
Source: Journal of materials research, Nov. 1999, v. 14, no. 11, p. 4188-4194 How to cite?
Journal: Journal of materials research 
Abstract: Microstructure and phase transformation of a furnace-cooled eutectoid Zn–Al-based alloy were studied after laser beam bombardment using low-angle x-ray diffraction (XRD) and backscattered scanning electron microscopy (BSEM). It was found that the microstructure of the laser-beam-treated specimen consisted mainly of the supersaturated Zn-rich β′[sub s] phase particulates of about 1−2 μm in diameter. Three structure morphologies were observed. Microcracking occurred in the laserbeam-affected zone during laser processing. Two laser-processing-induced phase transformations, i.e., decomposition of the η′[sub FC] phase and a four-phase transformation, were detected using XRD and BSEM techniques, similar to phase transformations that occurred in the same eutectoid Zn–Al-based alloy after various thermal and thermomechanical processing procedures.
URI: http://hdl.handle.net/10397/6915
ISSN: 0884-2914
2044-5326 (EISSN)
DOI: 10.1557/JMR.1999.0567
Rights: ©1999 Materials Research Society
The following article "Y. H. Zhu, J. A. Chavez-Carvayar, H. C. Man and M. Villagran (1999). Laser-processing-induced phase transformation in Zn–Al-based alloy. Journal of Materials Research, 14(11), pp 4188-4194. doi:10.1557/JMR.1999.0567." is available at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=7983551
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