Effect of Notches on Fatigue S-N Curves

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E-Suite Module

Johannes Homan, M.Sc.

Format: E-Suite

What you'll learn

Want to improve your understanding of metal fatigue? In this module the impact of notches on fatigue life will be explained comprehensively. 

In this on-demand module, participants will be taken through:

  • the different phases in fatigue failure, from cyclic slip to final failure,

  • stress concentration factors, and their calculation,

  • the stress field around a notch,

  • the superposition of a notch on a stress field,

  • notch sensitivity factors and the prediction methods including those of Neuber and Peterson,

  • non-propagating cracks,

  • the effect of cyclic torsion.

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About the author

Johannes Homan, MSc

Fatigue & Damage Tolerance Specialist 

Fatigue Expert, Material Developer & Expert

Access to the Module 
After your purchase is confirmed you receive an account to the EngineeringTrainer online learning portal, where you find the module in your dashboard. You receive 1-year unlimited access to the the training material which allows you to the review the material as required.

A personal digital badge will be made available to each participant upon successful completion.

Earn the right badges to receive a full course Certificate. Multiple certificates provide coherent Career Paths.


  • Those wanting to expand their understanding of metal fatigue.

  • Those wanting to understand the underlying theory related to notches which is often not explained in the design standards.

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