This paper studies on the mode analysis and harmonious response analysis of free layer damping cantilever beam (Ti-6Al-4V) by using numerical methods,discusses the vibration characteristics of the damping materials and gets the natural frequency.vibration mode,The von Mises Stress and amplitude-frequency characteristics curve. Otherwise,we extract the damping ratio and participation factor,so get the Loss factor at last. Natural frequency of Ti-6A1-4V plate after additional coating decreases and the ability of damping strengthens. Damping capacity increases with thickness of coating increasing.
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