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Measurement of Residual Stress in Porcelain Tiles with the Hole-Drilling Method

D. Rao, K. Lin, R. Zhang, H. Yu, S. Zhang

Journal of Ceramic Science and Technology, Vol. 15, No. 1 (2024), pp. 1-6

DOI: 10.4416/JCST2023-00014

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Abstract

Residual stress in porcelain tiles affects the application of the tiles, and especially so in the case of large-format porcelain tiles. However, quantitative characterization of the residual stress in porcelain tiles presents a critical problem. In this study, the hole-drilling method, which is widely used for the measurement of residual stress in metal structures, was adopted to measure the residual stress in porcelain tiles. One flat and one curved porcelain tile were measured. The details of and precautions required for application of the hole-drilling method for porcelain tiles are described. The validity of the results has been analyzed, demonstrating that the hole-drilling method can be used to measure the surface residual stress in porcelain tiles.

Keywords

Residual stress, hole-drilling method, porcelain tile, strain

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