Effect of Thermal-oxidative Aging on Damping Property of Damping Rubber Material

The damping properties changing before and after aging of ZN-1 damping rubber material were investigated by using accelerated aging test.The relation of damping properties,aging temperature and aging time of the material was deduced according to the Arrhenius formulation.The results show that the maximum loss factor of the ZN-1 damping rubber material decreased gradually with the increase of aging temperature and aging time.The equation between the maximum loss factor and the aging time at 25℃ was obtained,which could predicate the damping properties after aging and life of damping rubber material.