Residual stress has a noticeable impact on fatigue life, dimensional stability, and corrosion resistance of structural components. Negligence of residual stress can reduce the service life of components and increase cost of repairs and restoration. Thus, residual stress analysis, measurement, and management is of high importance in design, testing and application phases.

The webinar will briefly introduce the main sources of residual stresses, why they matter, and how they are related with some failure mechanisms. The available techniques to characterize residual stresses will be mentioned, and four of those techniques - lab X-ray, neutron, synchrotron, and electron microscopy - will be discussed in some details. Furthermore, the webinar will explore the relation of residual stresses, microstructure, and some failure mechanisms. There will be a Q&A session at the end of webinar.

About the experts
Hossein Alimadadi is a senior specialist at the Danish Technological Institute. He has worked in the field of metallurgy for the past 20 years and has extended expertise in materials characterization, especially scanning electron microscopy techniques.

Hanna Leemreize is a senior specialist at the Danish Technological Institute. She is a materials scientist by training and has a vast background in non-destructive testing with a focus on X-ray techniques such as diffraction.

The Danish Technological Institute can help you with production design, quality control procedures, and in-service in relation with measurement and management of residual stresses.

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Organizer: The Danish Society of Engineers, IDA

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