Ultrasonic Viscoelasticity Evaluation Method for Tribology of Rubber Material

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  • OMATA Nobuaki
    OMRON Corporation. Industrial Automation Company. Technology development center

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  • 超音波粘弾性評価法のゴム材料のトライボロジーへの応用
  • チョウオンパ ネンダンセイ ヒョウカホウ ノ ゴム ザイリョウ ノ トライボロジー エノ オウヨウ

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It is well-known that there is a close relationship between the friction of the tire and the viscoelasticity of the tread rubber, especially loss tangent tan δ in the high friction frequency band (102-106Hz). But it has not been verified under the real frequency and temperature conditions. In this respect, the ultrasonic (high frequency) viscoelasticity measuring method using surface reflection wave was investigated recently.<br>In this report, the relationship between friction coefficient and tan δ, measured by the ultrasonic viscoelasticity measuring method using surface reflection wave, is shown.<br>Furthermore, the high frequency vibration is found to exist during slip of rubber on a rough glass plate.<br>The ultrasonic viscoelasticity sensor for a tire is expected to be a tool for the quality lifecycle management and the safety of automotive vehicles.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 80 (9), 331-337, 2007

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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