Fatigue Life Evaluation of Bolt Having Tightening Torque under Random Loading


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The fatigue life of hexagon head and socket head bolts, attached to vehicle a wheel, is assessed and the estimation of the residual life of existing bolts in vehicle wheel is investigated. Fieldmeasured load histories were applied in this test. Tensile tests and fatigue tests were performed to evaluate the effect of tightening torque and to obtain the basic experimental data. Miner’s rule was used to predict the fatigue life of bolts. The results indicate the prediction of fatigue life of the bolts was in good agreement with the real life of vehicle wheel bolts in this test.



Key Engineering Materials (Volumes 324-325)

Edited by:

M.H. Aliabadi, Qingfen Li, Li Li and F.-G. Buchholz




Y. W. Choi et al., "Fatigue Life Evaluation of Bolt Having Tightening Torque under Random Loading", Key Engineering Materials, Vols. 324-325, pp. 819-822, 2006

Online since:

November 2006




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