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Bolt Tightening with Equal Risk of Uncoupling and Fatigue Failure


An approach to determining the optimal tightening of screws is proposed for joints under variable load. In this approach, the optimal tightening force corresponds to equal risk of uncoupling and fatigue failure.

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Correspondence to M. S. Kuts.

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Translated by B. Gilbert

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Zakharov, M.N., Kuts, M.S. Bolt Tightening with Equal Risk of Uncoupling and Fatigue Failure. Russ. Engin. Res. 40, 11–14 (2020).

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  • threaded joints
  • cyclic loads
  • contact layer
  • pliability
  • screw life
  • tightness
  • base load coefficient