Abstract
When real engineering surfaces touch, contact occurs between the asperities of the surface roughness. For this reason the true area of contact between components can be significantly less than the apparent contact area and the stresses at the asperities are considerably higher than the average (nominal) contact pressure. Measurement of the degree of contact between solids is important in a number of applications such as the design of contacting elements (e.g. gears and bearings) [1] and the detection of ‘kissing’ bonds [2].
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Drinkwater, B., Dwyer-Joyce, R., Cawley, P. (1997). The Interaction of Ultrasound with a Partially Contacting Solid-Solid Interface in the Low Frequency Regime. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Review of Progress in Quantitative Nondestructive Evaluation, vol 16. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5947-4_160
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DOI: https://doi.org/10.1007/978-1-4615-5947-4_160
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