The Selection and Characterization of the Absorptive Coatings Used to Laser Surface Treatments of Tool Steel Parts

Petrică Alexandru; Simona Boiciuc

doi:10.4028/www.scientific.net/AMR.1143.167

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1143The Selection and Characterization of the...

The Selection and Characterization of the Absorptive Coatings Used to Laser Surface Treatments of Tool Steel Parts

Abstract:

The paper presents the experimental results on the surface quenching by CO₂ continuous wave laser action of solid phase steel with 1%C obtained, using different absorptive (ZnO, TiO₂, ZrO₂, graphite) powder coatings. The absorptivity of these coatings was determined by resolving the thermal conductivity equation for the irradiation with an energy punctual source on the massive body. Among the four investigated powders, for thermal treatment with laser of tools carbon steel it is recommend the powder of zinc oxide as coating with most efficient absorption capacity.

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Periodical:

Advanced Materials Research (Volume 1143)

Pages:

167-173

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1143.167

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Online since:

February 2017

Authors:

Petrică Alexandru*, Simona Boiciuc

Keywords:

Absorption Coatings, Absorptive Coefficient, Laser CO₂, Quenching Tools Steel

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