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Title: Analysis of selective vaporization behavior in laser melting of magnesium alloy by plume deposition
Authors: Guan, Y.
Zhou, W.
Zheng, H.
Li, Z.
Leng, S.H.
Hong, M. 
Keywords: Laser processing
Magnesium alloy
Secondary ion mass spectrometry
Selective vaporization
Surface modification
Issue Date: 2014
Citation: Guan, Y., Zhou, W., Zheng, H., Li, Z., Leng, S.H., Hong, M. (2014). Analysis of selective vaporization behavior in laser melting of magnesium alloy by plume deposition. Laser and Particle Beams 32 (1) : 49-54. ScholarBank@NUS Repository.
Abstract: Laser surface melting is one of the most important processes in laser material processing. Selective vaporization of alloying elements in laser melting offers fundamental understanding of laser processing on metallic alloys. This work provides linkage between laser melting and material properties using secondary ion mass spectrometry (SIMS) for tiny vaporized species in laser-generated plume and energy dispersive spectroscopy (EDS) for solid solution range in molten pool, both qualitatively and quantitatively (up to hundreds of micron). Silicon wafer was used to collect the generated plume. Chemical analysis was carried out on top surface and sub-surface of the deposited plume. Transport behavior as well as distribution of the vaporized species inside the plume was further proposed. © Cambridge University Press, 2013.
Source Title: Laser and Particle Beams
ISSN: 1469803X
DOI: 10.1017/S0263034613000608
Appears in Collections:Staff Publications

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