Contact Mechanics of Rough Spheres: Crossover from Fractal to Hertzian Behavior

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</svg>; (c) superposition <svg height="12.3" id="M56" style="vertical-align:-3.2316pt" version="1.1" viewbox="0 0 14.0375 12.3" width="14.0375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,8.525,12.1)"><path d="M383 397q0 -32 -35 -49q-12 -6 -23 8q-37 45 -84 45t-90 -71q-40 -65 -40 -167q0 -57 22 -86t59 -29q38 0 81.5 24.5t69.5 51.5l16 -21q-44 -53 -104 -84t-109 -31q-56 0 -89.5 41t-33.5 117q0 61 30 124t79 105q33 28 81 50.5t86 22.5q34 0 59 -15.5t25 -35.5z" id="x1D450"></path></g>
</svg> of both.</table>

Advances in Tribology

fig4

Figure 4

Figure 4: Contact Mechanics of Rough Spheres: Crossover from Fractal to Hertzian Behavior 