Determination of coefficients of friction for laminated veneer lumber on steel under high pressure loads
Abstract
Abstract In this study, static coefficients of friction for laminated veneer lumber on steel surfaces were determined experimentally. The focus was on the frictional behaviors at different pressure levels, which were studied in combination with other influencing parameters: fiber orientation, moisture content, and surface roughness. Coefficients of friction were obtained as 0.10–0.30 for a smooth steel surface and as high as 0.80 for a rough steel surface. Pressure influenced the measured coefficients of friction, and lower normal pressures yielded higher coefficients. The influence of fiber angle was observed to be moderate, although clearly detectable, thereby resulting in a higher coefficient of friction when sliding perpendicular rather than parallel to the grain. Moist specimens contained higher coefficients of friction than oven-dry specimens. The results provide realistic values for practical applications, particularly for use as input parameters of numerical simulations where the role of friction is often wrongfully considered.
Reference
Michael Dorn; Karolína Habrová; Radek Koubek; Erik Serrano. (2020). Determination of coefficients of friction for laminated veneer lumber on steel under high pressure loads. Friction. https://doi.org/10.1007/s40544-020-0377-0
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