文章摘要
Effect of NR/TPI Blend Ratio on Properties of Damping Layer for Track Vibration Reduction Mat
  
DOI：
Key Words: vibration isolation mat；NR；TPI；dynamic fatigue property；static stiffness
Author NameAffiliation
WU Jieyi Qingdao University of Science and Technology 
LI Xiaoxiao Qingdao University of Science and Technology 
WU Mingsheng Qingdao University of Science and Technology 
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Abstract:
      The effect of NR/TPI blend ratio on the properties of damping layer for track vibration isolation mat was investigated.The results showed that the t90 of the rubber compound was increased and the cure time was extended with the increasing of addition level of TPI，the temperature rise in compression flexometer testing and permanent deformation were decreased，and the static stiffness was increased. When the blend ratio of NR/TPI was 95/5，the rubber compound had better resistance to flex fatigue in the absence of any significant change in physical properties and good aging resistance，and the rubber compound showed the best effect on reducing static stiffness loss after fatiguing.
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