Paper Title:

Fatigue Life Prediction of High-Strength Bolt Subjecting to Torque

Periodical Key Engineering Materials (Volumes 345 - 346)
Main Theme The Mechanical Behavior of Materials X
Edited by S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim
Pages 299-302
DOI 10.4028/
Citation Young Woo Choi et al., 2007, Key Engineering Materials, 345-346, 299
Online since August 2007
Authors Young Woo Choi, Bokkyu Lim, Sung In Bae
Keywords Fatigue Limit, High-Strength Bolts, Torque
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The effect of axial loading resulting from torque on the fatigue life of bolts has been investigated. It was found that the fatigue limit of bolts increased by an amount proportional to the increase in torque. There was a linear relationship between torque and fatigue limit. Using the Shigley method, the prediction of fatigue limit from calculated stress concentration factors was also examined. A good correlation was found between the experimental and predicted fatigue limit. The Shigley method was appropriate for the prediction of fatigue life of bolts.