Peer Reviewed

Journal of Thermal Spray Technology

, Volume 22, Issue 1, pp 48-56

Colour Matching in Decorative Thermally Sprayed Glass Coatings

  • Thierry PoirierAffiliated withGrupo de Ingeniería de Superficies, Universidad Simón Bolívar Email author 
  • , Pierre BertrandAffiliated withLERMPS, UTBM
  • , Christian CoddetAffiliated withLERMPS, UTBM

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Abstract

Coloured coatings were obtained on steel by plasma spraying without severe in-flight alteration of pigments, taking profit of the low thermal conductivity of the glassy matrix of glaze particles. Colour matching was studied by mixing 3 different glazes, comparing Grassmann and Kubelka-Munk based algorithms. Results suggest that the latter method should be preferred upon Grassmann method, particularly when the light absorption/dispersion ratios of coloured feedstocks are very different.

Keywords

atmospheric plasma spray (APS) colour glass optical spectroscopy