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Running-in wear experiments were conducted on a spherical-on-disk tester. Cross correlation between tangential friction vibration and normal friction vibration were studied by time-frequency features and cross correlation coefficient. Variations of tangential friction vibration and normal friction vibration were analyzed by chaos attractors. Experimental results show that the cross correlation is...
Running-in wear experiments were conducted on a pin-on-disk tester. The attractors of friction vibration were investigated by applying the chaos theory, and the evolvement mechanism of the friction vibration chaotic attractors in the running-in process was analyzed. The experimental results indicate that the friction vibration has a chaotic nature, and the chaotic attractor in the phase space is an...
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