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Residual Stresses in Friction Stir Welding

2013-11-20 Technology & Engineering
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Release : 2013-11-20
Genre : Technology & Engineering
Kind : eBook
Book Rating : 32X/5 ( reviews)

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Book Synopsis Residual Stresses in Friction Stir Welding by : Nilesh Kulkarni

Download or read book Residual Stresses in Friction Stir Welding written by Nilesh Kulkarni. This book was released on 2013-11-20. Available in PDF, EPUB and Kindle. Book excerpt: 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

Friction Stir Welding

2009-12-18 Technology & Engineering
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Release : 2009-12-18
Genre : Technology & Engineering
Kind : eBook
Book Rating : 715/5 ( reviews)

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Book Synopsis Friction Stir Welding by : Daniela Lohwasser

Download or read book Friction Stir Welding written by Daniela Lohwasser. This book was released on 2009-12-18. Available in PDF, EPUB and Kindle. Book excerpt: Friction stir welding (FSW) is a highly important and recently developed joining technology that produces a solid phase bond. It uses a rotating tool to generate frictional heat that causes material of the components to be welded to soften without reaching the melting point and allows the tool to move along the weld line. Plasticized material is transferred from the leading edge to trailing edge of the tool probe, leaving a solid phase bond between the two parts. Friction stir welding: from basics to applications reviews the fundamentals of the process and how it is used in industrial applications.Part one discusses general issues with chapters on topics such as basic process overview, material deformation and joint formation in friction stir welding, inspection and quality control and friction stir welding equipment requirements and machinery descriptions as well as industrial applications of friction stir welding. A chapter giving an outlook on the future of friction stir welding is included in Part one. Part two reviews the variables in friction stir welding including residual stresses in friction stir welding, effects and defects of friction stir welds, modelling thermal properties in friction stir welding and metallurgy and weld performance.With its distinguished editors and international team of contributors, Friction stir welding: from basics to applications is a standard reference for mechanical, welding and materials engineers in the aerospace, automotive, railway, shipbuilding, nuclear and other metal fabrication industries, particularly those that use aluminium alloys. Provides essential information on topics such as basic process overview, materials deformation and joint formation in friction stir welding Inspection and quality control and friction stir welding equipment requirements are discussed as well as industrial applications of friction stir welding Reviews the variables involved in friction stir welding including residual stresses, effects and defects of friction stir welds, modelling thermal properties, metallurgy and weld performance

Current Trends in Friction Stir Welding (FSW) and Friction Stir Spot Welding (FSSW)

2018-06-14 Technology & Engineering
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Release : 2018-06-14
Genre : Technology & Engineering
Kind : eBook
Book Rating : 507/5 ( reviews)

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Book Synopsis Current Trends in Friction Stir Welding (FSW) and Friction Stir Spot Welding (FSSW) by : Mukuna Patrick Mubiayi

Download or read book Current Trends in Friction Stir Welding (FSW) and Friction Stir Spot Welding (FSSW) written by Mukuna Patrick Mubiayi. This book was released on 2018-06-14. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of friction stir welding and friction stir spot welding with a focus on aluminium to aluminium and aluminium to copper. It also discusses experimental results for friction stir spot welding between aluminium and copper, offering a good foundation for researchers wishing to conduct more investigations on FSSW Al/Cu. Presenting full methodologies for manufacturing and case studies on FSSW Al/Cu, which can be duplicated and used for industrial purposes, it also provides a starting point for researchers and experts in the field to investigate the FSSW process in detail. A variant of the friction stir welding process (FSW), friction stir spot welding (FSSW) is a relatively new joining technique and has been used in a variety of sectors, such as the automotive and aerospace industries. The book describes the microstructural evolution, chemical and mechanical properties of FSW and FSSW, including a number of case studies.

Friction Stir Welding and Processing X

2019-02-11 Technology & Engineering
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Release : 2019-02-11
Genre : Technology & Engineering
Kind : eBook
Book Rating : 526/5 ( reviews)

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Book Synopsis Friction Stir Welding and Processing X by : Yuri Hovanski

Download or read book Friction Stir Welding and Processing X written by Yuri Hovanski. This book was released on 2019-02-11. Available in PDF, EPUB and Kindle. Book excerpt: This book is a compilation of the recent progress on friction stir technologies including high-temperature applications, industrial applications, dissimilar alloy/materials, lightweight alloys, simulation, control, characterization, and derivative technologies. The volume offers a current look at friction stir welding technology from application to characterization and from modeling to R&D. Contributions document advances in application, controls, and simulation of the friction stir process to aid researchers in seeing the current state-of-the-art.

Residual Stress in Friction Stir Welding and Laser-Assisted Friction Stir Welding by Numerical Simulation and Experiments

2018 Technology
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Release : 2018
Genre : Technology
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Residual Stress in Friction Stir Welding and Laser-Assisted Friction Stir Welding by Numerical Simulation and Experiments by : Caterina Casavola

Download or read book Residual Stress in Friction Stir Welding and Laser-Assisted Friction Stir Welding by Numerical Simulation and Experiments written by Caterina Casavola. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt: The friction stir welding (FSW) has become an important welding technique to join materials that are difficult to weld by traditional fusion welding technology. In this technique, the material is not led to fusion, and the joint is the result of the rotation and movement along the welding line of the tool that causes softening of material due to frictional heat and the stirring of the same. In FSW, the temperature does not reach the fusion value of the materials, and this helps to decrease the residual stress values. However, due to the higher force involved in the weld and, thus, the rigid clamping used, the residual stresses are not low in general in this technique. As the presence of high residual stress values influences the post-weld mechanical properties, e.g. fatigue properties, it is important to investigate the residual stress distribution in the FSW welds. In this chapter, two numerical models that predict temperatures and residual stresses in friction stir welding and laser-assisted friction stir welding will be described. Experimental measurements of temperatures and residual stress will be carried out to validate the prediction of the models.

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