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Residual Stress 101: One day course at SEM conference

Mike Prime's picture

The day before the SEM Conference this June in Reno, Nevada, USA, we will be teaching a short course entitled Residual Stress 101: See below for a description of the course. We will cover lots of practical material on residual stresses, much of which is not covered in standard engineering curricula. This is great material for any interested researcher who never got a comprehensive background in residual stress. It will also be great for graduate students or advanced undergrads, and students pay half price. Please also forward to colleagues who might be interested for themselves or for students.

Mike, Mike, Adrian, Antonio, Cev


This course aims to cover a broad, practical introduction to residual stresses for students, researchers and industrialists with an interest in the subject. We cover the most practically important aspects of residual stress, things that are fairly simple but often counterintuitive, poorly understood, or just not widely known. Most of this material is not covered by coursework for engineers or material scientists. We will answer the most important questions: What are residual stresses and where do they come from? What effects do they have? How are the stress components throughout a body interrelated? How can you measure residual stresses? How can you use residual stress knowledge in models to predict failures or other issues? How can you use superposition to simplify many calculations? Along the way we will point out pitfalls to avoid and mistakes that appear in the literature.

Michael Prime, Los Alamos National Laboratory
Michael Hill, University of California, Davis
Adrian DeWald, Hill Engineering
Antonio Baldi, Università degli Studi di Cagliari
Cev Noyan, Columbia University

Tentative Outline:

Introduction and why do we care.

  • What are residual stresses?
  • How do they arise?
  • What do they do and why do we care?
  • Fatigue, fracture, distortion, the effect on property measurements

Practical Mechanics of Residual Stress.

  • Stress, strain, elastic strain as applied to residual stress
  • What makes an admissible residual stress field and why does that matter?
  • Global equilibrium
  • Boundary Conditions
  • Local equilibrium: stress components are not independent
  • Superposition and calculating deformations and changes in residual stress as, for example, a crack grows

Residual Stress Measurement

  • Relaxation methods
  • Penetrating diffraction
  • Laboratory X-ray
  • Combining multiple methods
  • What full field (Holography, DIC, etc.) buys you and what it does not

Residual Stress Applications.

  • Accounting for residual stress in fatigue analysis


tarkes's picture

Interesting to know. Seems like the topic are related to only metals. It would be nice if the video recordings of this session will be available on the conference website.

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