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Specific features of the determination of residual stresses in paint coatings by the method of bending of plates

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Materials Science Aims and scope

We analyze the mathematical and methodical errors made by researchers in finding residual stresses in the coatings by the method of bending of plates proposed by methodical recommendations. New formulas are proposed on the basis of the model according to which stresses decrease across the thickness of the coating as the distance from the metallic substrate increases. It is shown that, contrary to the methodical recommendations, for the correct prediction of residual stresses in the coatings on actual products, it is necessary to restrain laboratory plates on both sides after deposition of the coatings and leave them straight until the complete polymerization (polycondensation) or drying of the material of the coating.

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Authors and Affiliations

  1. “Tekhno-Resurs Engineering Center” State Enterprise, Ukrainian National Academy of Sciences, Lviv, Ukraine

    I. P. Gnyp & M. P. Voloshyn

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  1. I. P. Gnyp
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  2. M. P. Voloshyn
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Correspondence to M. P. Voloshyn.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 45, No. 5, pp. 124–130, September–October, 2009.

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Gnyp, I.P., Voloshyn, M.P. Specific features of the determination of residual stresses in paint coatings by the method of bending of plates. Mater Sci 45, 751–758 (2009). https://doi.org/10.1007/s11003-010-9240-1

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  • DOI: https://doi.org/10.1007/s11003-010-9240-1

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