One of the most common failure mechanisms for bolts is fatigue. Fatigue is the phenomenon that occurs in bolt materials as the result of cyclic variations of the applied stress.

Bolts that are torqued may fail due to fatigue in the following situations:
1) The initial pre-load torque value for the bolt is too low
2) The pre-load torque value is above the yield stress of the bolt
3) The yield stress of the bolt material is too low
4) Elevated temperatures, causing bolt relaxation
5) Equipment vibrations, causing the bolt to loosen
6) Higher stress amplitudes above the endurance limit

Why SmartBolts® DTI™?
1) A real-time visual alert of tension in bolted joint
2) Surprisingly simple and incredibly advanced solution
3) Unmatched benefits and unprecedented values
4) Full repeatability and operational reliability
5) Providing early warning of reductions in bolt tension
6) Easy installation
7) Reduce downtime and operation costs and increase productivity
8) Increase security of operations helping prevent accidents

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