ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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9
Issue
vol 60 / SEPTEMBER, 2017
Article
UDC 621.38

LASER-ASSISTED GRAFFITI PAINTS REMOVAL

B. . Novikov
State Educational Establishment of High Professional Education “Saint-Petersburg State University of Information Technologies, Mechanics and Optics”; Assistant


Y. V. Chikhalev
St. Petersburg State University of Information Technologies, Mechanics and Optics, Department of Laser Technologies and Applied Ecology;


E. . Shakhno
State Educational Establishment of High Professional Education “Saint-Petersburg State University of Information Technologies, Mechanics and Optics”; Professor


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Abstract. It's hard to imagine a view of a modern city without some drawings and inscriptions, usually called “graffiti”. Traditional cleaning methods do not meet modern requirements. Investigation of possibilities of laserassisted paints removal is performed. The optimal conditions for various paints removing from different surfaces are established.
Keywords: laser cleaning, paint removal, graffiti, CO2 laser, fiber Yb laser.