Friction Stir Welding of High Strength 7XXX Aluminum Alloys
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Friction Stir Welding of High Strength 7XXX Aluminum Alloys is the latest edition in the Friction Stir series and summarizes the research and application of friction stir welding to high strength 7XXX series alloys, exploring the past and current developments in the field. Friction stir welding has demonstrated significant benefits in terms of its potential to reduce cost and increase manufacturing efficiency of industrial products in transportation, particularly the aerospace sector. The 7XXX series aluminum alloys are the premium aluminum alloys used in aerospace. These alloys are typically not weldable by fusion techniques and considerable effort has been expended to develop friction stir welding parameters. Research in this area has shown significant benefit in terms of joint efficiency and fatigue performance as a result of friction stir welding. The book summarizes those results and includes discussion of the potential future directions for further optimization.
Key Features
- Offers comprehensive coverage of friction stir welding of 7XXX series alloys
- Discusses the physical metallurgy of the alloys
- Includes physical metallurgy based guidelines for obtaining high joint efficiency
- Summarizes the research and application of friction stir welding to high strength 7XXX series alloys, exploring the past and current developments in the field
Readership
Practicing engineers and materials scientists, as well as researchers in the field
Table of Contents
Chapter 1. Introduction
- Abstract
- References
Chapter 2. Physical Metallurgy of 7XXX Alloys
- Abstract
- 2.1 Precipitation Reaction in Al-Zn-Mg Alloys
- 2.2 Effect of Cu
- 2.3 Effect of Ag
- 2.4 Effect of Microalloying
- 2.5 Effect of Li
- 2.6 Effect of Predeformation on Aging
- 2.7 Summary
- 2.8 Differential Scanning Calorimetry Observations
- References
Chapter 3. Friction Stir Welding—Overview
- Abstract
- 3.1 Introduction
- 3.2 Taxonomy
- 3.3 Various Zones
- 3.4 Material Flow
- 3.5 Defects in FSW
- 3.6 Key Benefits of FSW
- References
Chapter 4. Temperature Distribution
- Abstract
- 4.1 Introduction
- 4.2 Experimental Observations
- 4.3 Numerical Observations
- 4.4 Summary
- References
Chapter 5. Microstructural Evolution
- Abstract
- 5.1 Introduction
- 5.2 Evolution of Grain Size
- 5.3 Precipitate Evolution
- 5.4 Differential Scanning Calorimetry
- 5.5 Summary
- References
Chapter 6. Mechanical Properties
- Abstract
- 6.1 Introduction
- 6.2 Hardness and Tensile Properties
- 6.3 Fatigue and Damage Tolerance
- 6.4 Joint Efficiency
- References
Chapter 7. Corrosion
- Abstract
- 7.1 Introduction
- References
Chapter 8. Physical Metallurgy-Based Guidelines for Obtaining High Joint Efficiency
- Abstract
Chapter 9. Summary and Future Outlook
- Abstract
Product details
- No. of pages: 120
- Language: English
- Copyright: © Butterworth-Heinemann 2016
- Published: June 8, 2016
- Imprint: Butterworth-Heinemann
- Paperback ISBN: 9780128094655
- eBook ISBN: 9780128094600
About the Authors
Rajiv Mishra
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.
Affiliations and Expertise
Dept. of Materials Science and Engineering and NSF IUCRC for Friction Stir Processing, University of North Texas, Denton, TX, USA
Mageshwari Komarasamy
Mageshwari Komarasamy is a Post Doctoral Research Associate with the Center for Friction Stir Processing, Department of Materials Science and Engineering, University of North Texas. She has been working on friction stir welding of high strength aluminum alloys and has published a number of papers on high entropy alloys. Her projects have included studies of Double groove friction stir welding and characterization of 7050-T7451 Al alloy; Characterization of 3 inch thick friction stir processed 7050-T7451 Al welds; Friction stir welding and joint efficiency study of Al-Mg-Sc alloys; Friction stir processing of high entropy alloys; Forced mixing of immiscible Cu-Nb-Ag alloy via friction stir processing; and deformation mechanism of Al0.1CoCrFeNi high entropy alloy and its temperature, strain rate and grain size dependence. She has presented at a number of Conferences including the Symposium on High Entropy Alloys II, TMS Annual Meeting 2014 invited presentation; Ultrafine Grained Materials VIII, TMS Annual Meeting 2014; Fatigue in Materials: Fundamentals, Multiscale Modeling and Prevention, TMS Annual Meeting 2014; and ICME: Linking Microstructure to Structural Design Requirements, TMS Annual Meeting 2014.
Affiliations and Expertise
Post Doctoral Research Associate, Center for Friction Stir Processing, Department of Materials Science and Engineering, University of North Texas, Denton, TX, USA
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