圧縮・せん断力によるタイヤトレッドゴムの圧力分布と浮き上がり現象

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タイトル別名
  • The contact pressure distribution and detaching phenomenon of tire tread rubber under compressive and shearing forces.
  • アッシュク センダンリョク ニ ヨル タイヤ トレッド ゴム ノ アツリョク

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説明

The tire structure is forced usually to deform complexly and seriously on the roadway, to realize the fundamental performances of automobiles of running, turning and braking. The tread rubber block, as a constituent element of tire, plays an important role of holding the frictional forces between the tire and the road, for enabling car steering and breaking.<br>While the tread rubber block is subjected to compressive and shearing forces in contacting with the roadway, a phenomenon of the block edge detaching takes place, which leads to the contact area reduction and further the tread rubber wear.<br>An experimental study and a numerical analysis by using the finite element method based on a nonlinear elasticity law given by Mooney-Rivlin, have been conducted previously on this phenomenon, with predicting good agreement between them on the contact pressure distribution.<br>In this paper, an approximate analysis is presented on the contact deformation of a rubber block under compressive and shearing forces, by using the energy method based on the linear Hooke′s law with considering the incompressibility of rubber, to reveal the critical condition of the detaching phenomenon. Good agreement is obtained among these analytical, numerical and experimental results for contact pressure distribution and detaching condition.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 66 (4), 259-265, 1993

    一般社団法人 日本ゴム協会

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