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高温材料处理:国际期刊
ESCI SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN 打印: 1093-3611
ISSN 在线: 1940-4360

高温材料处理:国际期刊

DOI: 10.1615/HighTempMatProc.2017019888
pages 1-12

DEPTH PROFILING OF ELEMENTAL COMPOSITION OF SPRAYED LAYERS USING LASER-INDUCED BREAKDOWN SPECTROSCOPY

E. Ershov-Pavlov
B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus
V. V. Kiris
B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, 68 Nezalezhnasti Ave., Minsk, 220072, Belarus
S. Selifanov
Physical Technical Institute, National Academy of Sciences of Belarus, Minsk, Belarus
I. P. Smyaglikov
Physical Technical Institute, National Academy of Sciences of Belarus, Minsk, Belarus
Nikolai V. Tarasenko
B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, 68 Nezalezhnasti Ave., Minsk, 220072, Belarus

ABSTRACT

The modern industry needs materials having high consumer properties. The performance of materials can be highly increased by using various coatings that allow obtaining high quality surfaces and considerably decreasing consumption and loading of materials. Information on chemical elemental composition and its distribution in coatings and within coating−material interface layers is very important for the coating development and application. In the present work, laser-induced breakdown spectroscopy (LIBS) is applied to analyze chemical composition of the coatings prepared by physical vapor deposition (PVD) of a micrometer range thickness and the coating formed by powder spraying in a short DC arc at atmospheric pressure with the thickness of millimeter range. The LIBS measurements for solids give obvious surface composition data: the surface is irradiated by focused laser beams inducing erosion plumes, emission spectra of which are used for the analysis. Here, the LIBS technique is used to measure the elemental composition of sprayed layers on metal samples to obtain the composition evolution from the sample surface deep into the material.


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