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고무 블록의 작용하중 및 형상계수에 따른 마찰에너지 연구
김태형(T.H. Kim),유새롬(S.R Yoo),김진규(J.K Kim),김두만(D.M. Kim) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
A study on frictional energy of rubber, as a preliminary study on wear, is important in defining the relationship between friction and wear. Especially the importance of study for frictional energy is emphasized for the tire tread rubber that directly affected by the wear. Analysis of tire tread wear need research about friction energy according to compression load and shape factors. In this study, friction energy behavior on the rubber block with compression load and shape factors were analyzed using ABAQUS. FEA results about friction behavior of the rubber block were compared the experimental data. As a result, detaching phenomenon of the rubber block were occurred due to the friction on contact surface and the friction energy was risen proportionately with increase of the compression load and the shape factor.
이일용(I.Y. Lee),유새롬(S.R. Yoo),김진규(J.K. Kim),김두만(D.M. Kim) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
The rubber is the most commonly used in materials in the field of tires because of special viscoelastic property. But the friction occurs when the tire constantly touches with the ground. As a result, it causes an conditions effecting to the friction-energy are the temperature, the roughness of the ground, the shape of the tread, the weight, and the materials. In this study, the analysis was preceded by considering the normal force and the horizontal velocity to the rubber. And ABAQUS/explicit was used in the analysis. The contact pressure, the shear force and the slip-distance are calculated. Then the friction-energy was derived. Basis on these results, the actual behavior of the rubber and the data were compared with each other.