Abstract
Rubber components, which have been widely used in the automotive industry as anti-vibration components for many years, are subjected to fluctuating loads, often failing due to the nucleation and growth of defects or cracks. To prevent such failures, it is necessary to understand the fatigue failure mechanism for rubber materials and to evaluate the fatigue life for rubber components. The objective of this study is to develop a durability analysis process for vulcanized rubber components, that can predict fatigue life at the initial product design step. The determination method of nonlinear material constants for FE analysis was proposed. Also, to investigate the applicability of the commonly used damage parameters, fatigue tests and corresponding finite element analyses were carried out and normal and shear strain was proposed as the fatigue damage parameter for rubber components. Fatigue analysis for automotive rubber components was performed and the durability analysis process was reviewed.
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This paper was recommended for publication in revised form by Associate Editor Chongdu Cho
Seong In Moon received his B.S., M.S. and Ph. D. in Mechanical Design from Sungkyunkwan University in 1999, 2001 and 2005 in Korea. He worked for Hyundai Motors as a senior researcher from 2005 to 2009. He is currently a senior researcher in Korea Atomic Energy Research Institute. His research interests are durability evaluation of mechanical system and nuclear fuel cycle facility design.
Il Je Cho received his B.S. and M.S. in Nuclear Engineering from Hanyang University in 1996 and 1998 in Korea. He is currently a senior researcher in Korea Atomic Energy Research Institute. His research interests are nuclear fuel cycle facility design (hot-cell), management of spent fuel, and safety issues of nuclear fuel cycle.
Chang Su Woo received his M.S from Seoul National University in 1987 and Ph.D. in Mechanical Engineering in 2003 from Youngnam University. He was recruited in 1989 by the Korea Institute of Machinery and Materials (KIMM) to work on fatigue analysis of mechanical components. He has published approximately 50 papers relating to research on rubber engineering components, and their applications, such as automotive mounts and bushings, suspension of railway vehicles, shock & vibration isolators, and structure energy dissipation systems.
Wan Doo Kim received his B.S, M.S and Ph.D. in Mechanical Engineering from Seoul National University in 1980, 1982 and 1993. He is currently a tenured researcher at Korea Institute of Machinery and Materials, and a steering committee member of National Science and Technology Council. His research interests are nature-inspired technology, rubber mechanics and sustainable mechanical design.
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Moon, SI., Cho, IJ., Woo, CS. et al. Study on determination of durability analysis process and fatigue damage parameter for rubber component. J Mech Sci Technol 25, 1159–1165 (2011). https://doi.org/10.1007/s12206-011-0221-6
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DOI: https://doi.org/10.1007/s12206-011-0221-6