Impulse Laser Effect on Graphitized Surface of Y–TZP-Ceramics
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The role of a graphite layer on the surface of ceramics based on tetragonal zirconia, partially stabilized by yttrium oxide (Y–TZP-ceramics) under the action of a pulsed laser was studied using original methodology. It has been found that surface graphitization increases the fraction of absorbed laser radiation, and as a result, heating, melting and evaporation of Y–TZP-ceramics occur under less intense modes, favorably affecting the use of pulsed laser radiation for surface modification.
KeywordsY–TZP-ceramics graphite layer pulsed laser effect surface layer surface morphology roughness
The work was carried out with the financial support of the Ministry of Education and Science of the Russian Federation within the framework of the state task in the field of science, project No. 9.1372.2017/4.6.
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