A criterion for the effective work of adhesion in loading and unloading of adhesive soft solids from rough surfaces

 

      hope you are doing well in these COVID difficult times.   You may find interesting this reinterpretation of beautiful experiments of Dalvi Jacobs and Pastewka that was just accepted on Trib Letters where we compare the very elegant and simple criterion by Persson-Tosatti (and some variants) with some alternative inspired by Guduru's work.