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http://dx.doi.org/10.3795/KSME-A.2011.35.10.1199

Characterization and Fatigue Life Evaluation of Rubber/Clay Nanocomposites  

Woo, Chang-Su (Dept. of Nano Mechanics, Korea Institute of Machinery & Materials)
Park, Hyun-Sung (Dept. of Nano Mechanics, Korea Institute of Machinery & Materials)
Joe, Deug-Hwan (Diamond R. Tech Co. Ltd.)
Jun, Young-Sig (Diamond R. Tech Co. Ltd.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.35, no.10, 2011 , pp. 1199-1203 More about this Journal
Abstract
Nanocomposites were prepared through the compounding of rubber and clay. Measurements of the static and dynamic mechanical properties of different compositions over a temperature range $70-100^{\circ}C$ showed that the mechanical properties of these rubber/clay nanocomposites are superior to those of existing rubber materials. In this study, by using the parameter of the maximum Green.Lagrange strain appearing at certain locations, the relationship between fatigue life and maximum Green.Lagrange strain, and the correlations between test-piece tests and bench tests of actual rubber components are proved. In order to predict the fatigue life of rubber components at the design stage, a simple procedure of life prediction is suggested. The predicted fatigue lives of the rubber engine mounts agree fairly well with the fatigue lives determined experimentally.
Keywords
Nanocomposite; Rubber-Clay; Mechanical Properties; FEM; Fatigue Test; Lifetime Prediction;
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