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Preface to the Friction Stir Welding and Processing Book Series
Chapter 1. Introduction
1.1 Residual Stresses
1.2 Implication of RS
Chapter 2. A Brief Introduction to FSW
Chapter 3. RS in FSW Process
3.1 Materials Studied
3.2 RS in Aluminum Alloys
3.3 RS in Other Materials
3.4 Summary of RS in Ferrous and Nonferrous Materials
Chapter 4. Effect of RS on Properties
4.1 Mechanical Properties
4.2 Stress-Corrosion Cracking
Chapter 5. Parameters Affecting RS
5.1 The Effect of Tool Traverse Speed
5.2 The Effect of Tool Rotation Rate
5.3 Sample Size for Measurement of RS
Chapter 6. Characterization of RS
Chapter 7. Model for Understanding Residual Stress Development in Friction Stir-Welded Structures
7.1 Description of the Model
7.2 Computational Validation of the Model
7.3 Differences in RS in Fusion Welding and FSW
Chapter 8. Mitigation of RS During FSW
8.1 The Effect of Heat Sink (Thermal Tensioning) on the Residual Stress
8.2 The Effect of Mechanical Tensioning on the Residual Stress
8.3 The Effect of Roller Tensioning on the Residual Stress
8.4 The Effect of Laser and Shot Peening on RS
Chapter 9. Simulation of FSW for RS and Distortions
Chapter 10. Summary, Conclusions, and Future Direction
This book describes the fundamentals of residual stresses in friction stir welding and reviews the data reported for various materials. Residual stresses produced during manufacturing processes lead to distortion of structures. It is critical to understand and mitigate residual stresses. From the onset of friction stir welding, claims have been made about the lower magnitude of residual stresses. The lower residual stresses are partly due to lower peak temperature and shorter time at temperature during friction stir welding. A review of residual stresses that result from the friction stir process and strategies to mitigate it have been presented. Friction stir welding can be combined with additional in-situ and ex-situ manufacturing steps to lower the final residual stresses. Modeling of residual stresses highlights the relationship between clamping constraint and development of distortion. For many applications, management of residual stresses can be critical for qualification of component/structure.
- Reviews magnitude of residual stresses in various metals and alloys
- Discusses mitigation strategies for residual stresses during friction stir welding
- Covers fundamental origin of residual stresses and distortion
- No. of pages:
- © Butterworth-Heinemann 2014
- 21st November 2013
- Paperback ISBN:
- eBook ISBN:
Nilesh. N. Kulkarni completed his M.E. (electronics and telecommunication) from All India Shri Shivaji Memorial Society’s Institute of Information Technology, Pune. His areas of interests include biomedical signal and image processing, pattern recognition, and machine learning. Presently, he is working on biomedical signal processing applications. He is a member of IETE and IEI, India and a member of the IEEE.
Assistant Professor, Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL, USA
Rajiv S. Mishra is a professor in the Department of Materials Science and Engineering, and Site Director, NSF IUCRC for Friction Stir Processing, at the University of North Texas. Dr. Mishra’s publication record includes 255 papers with an h-index of 39. Out of these, 10 of his papers have more than 100 citations. He has many ‘firsts’ in the field of friction stir welding and processing. He co-authored the first review paper (2005), co-edited the first book on the subject (2007), edited/co-edited seven TMS symposium proceedings, and served as guest editor for Viewpoint Set in Scripta Materialia (2008). He also has three patents in this field. He published the first paper on friction stir processing (2000) as a microstructural modification tool.
Dept. of Materials Science and Engineering and NSF IUCRC for Friction Stir Processing, University of North Texas, Denton, TX, USA
Boeing Phantom Works Advanced Manufacturing R&D
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