Abstract
The process performance in grinding of advanced ceramics can be enhanced by various kinematics of tool engagement. Based on the process principles of creep feed grinding with and without ultrasonic assistance, the surface formation of both methods is analyzed using analogy tests which simulate the engagement of single grains into the surface. The ultrasonic superposition leads to altered mechanisms of surface formation as well as wear behavior of grains. SEM-pictures, residual stress analyses and bending strength tests serve to evaluate surfaces ground both with and without ultrasonic assistance. This furnishes proof that ultrasonic assistance results in significantly higher removal rates, but not in an additional damage of the sub-surface.
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