Dugdale-Maugis adhesive normal contact of axisymmetric power-law graded elastic bodies
A closed-form general analytic solution is presented for the adhesive normal contact of convex axisymmetric power-law graded elastic bodies using a Dugdale-Maugis model for the adhesive stress. The case of spherical contacting bodies is studied in detail. The known JKR- and DMT-limits can be derived from the general solution, whereas the transition between both can be captured introducing a generalized Tabor parameter depending on the material grading. The influence of the Tabor parameter and the material grading is studied.
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Published in: Facta Universitatis, 10.22190/FUME171121003W, University of Niš, Faculty of Mechanical Engineering, Serbia and Montenegro