Abstract

In transverse fatigue of a bolted joint, although the real fatigue limit is the same for bolts with the same size and property class, the apparent fatigue limits (the highest amplitude of transverse vibration force witich can be applied to the bolted joint without generating fatigue) vary according to the bolt tightening conditions. Hence, it is necessary to develop a guideline to accurately design bolted joints under transverse vibration. In this study, the relationships between the apparent fatigue limit and the real fatigue limit has been experimentally revealed. And then method to predict the apparent fatigue limit using the real fatigue limit has been developed.

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