As we know, when an object slides over a "bumpy" surface, hitting the bumps and causing them to deform, it generates heat and some of the kinetic energy of the object is lost as its velocity decreases, as elegantly depicted in this animation. Furthermore, we know that heat is generated from the collisions between the atoms on the object and the surface atoms. A post on this site describes how these collisions cause shock waves, i.e. traveling vibrational motion in the atoms adjacent to the collision.
My question is whether besides the heat generated from the shockwave, whether heat is also absorbed from bonds that formerly held the bumps to the rest of the surface material being broken.
If energy is indeed released from these bonds, we would see higher coefficients of friction in materials held together with stronger bonds, and more energy is absorbed when stronger bonds are broken in hypothetical materials with identical microstructural geometries and different compositions. Is this one of the factors that determines coefficients of friction? Has anyone been able to isolate the heat-absorbing effects of the atoms colliding from the heat-absorbing effects of bonds being broken?