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Topographic modelling of haptic properties of tissue products

Bengt-Göran Rosén (Institutionen för material- och tillverkningsteknik) ; A. Fall ; S. Rosén ; A. Farbrot ; P.L. Bergström
Journal of Physics: Conference Series (1742-6588). Vol. 483 (2014), 1,
[Konferensbidrag, refereegranskat]

The way a product or material feels when touched, haptics, has been shown to be a property that plays an important role when consumers determine the quality of products For tissue products in constant touch with the skin, softness becomes a primary quality parameter. In the present work, the relationship between topography and the feeling of the surface has been investigated for commercial tissues with varying degree of texture from the low textured crepe tissue to the highly textured embossed- and air-dried tissue products. A trained sensory panel at was used to grade perceived haptic «roughness». The technique used to characterize the topography was Digital light projection (DLP) technique, By the use of multivariate statistics, strong correlations between perceived roughness and topography were found with predictability of above 90 percent even though highly textured products were included. Characterization was made using areal ISO 25178-2 topography parameters in combination with non-contacting topography measurement. The best prediction ability was obtained when combining haptic properties with the topography parameters auto-correlation length (Sal), peak material volume (Vmp), core roughness depth (Sk) and the maximum height of the surface (Sz). © Published under licence by IOP Publishing Ltd.

Denna post skapades 2015-05-04.
CPL Pubid: 216318


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