Additive Friction Stir Deposition is a comprehensive summary of the state-of-the-art understanding on this emerging solid-state additive manufacturing technology. Sections cover additive friction stir deposition, encompassing advances in processing science, metallurgical science and innovative applications. The book presents a clear description of underlying physical phenomena, shows how the process determines the printing quality, covers resultant microstructure and properties in the as-printed state, highlights its key capabilities and limitations, and explores niche applications in repair, cladding and multi-material 3D printing.
Serving as an educational and research guide, this book aims to provide a holistic picture of additive friction stir deposition-based solid-state additive manufacturing as well as a thorough comparison to conventional beam-based metal additive manufacturing, such as powder bed fusion and directed energy deposition.
Additive Friction Stir Deposition is a comprehensive summary of the state-of-the-art understanding on this emerging solid-state additive manufacturing technology. Sections cover additive friction stir deposition, encompassing advances in processing science, metallurgical science and innovative applications. The book presents a clear description of underlying physical phenomena, shows how the process determines the printing quality, covers resultant microstructure and properties in the as-printed state, highlights its key capabilities and limitations, and explores niche applications in repair, cladding and multi-material 3D printing.
Serving as an educational and research guide, this book aims to provide a holistic picture of additive friction stir deposition-based solid-state additive manufacturing as well as a thorough comparison to conventional beam-based metal additive manufacturing, such as powder bed fusion and directed energy deposition.
1. Introduction
2. Process Fundamentals
3. Material Flow Phenomena
4. Dynamic Microstructure Evolution
5. Effects of Tool Geometry
6. Beyond Metals and Alloys: Additive Friction Stir Deposition of
Metal Matrix Composites
7. Mechanical Properties of the Printed Materials
8. Niche Applications
9. Future Perspectives
Dr. Hang Z. Yu is an Associate Professor of Materials Science and Engineering at Virginia Tech. He received his bachelor’s degree in physics from Peking University in 2007 and his PhD degree in materials science and engineering from Massachusetts Institute of Technology in 2013. Prof. Yu is the recipient of DARPA (Defense Advanced Research Projects Agency) Young Faculty Award. At Virginia Tech, the primary interest of Prof. Yu’s research group lies in manufacturing science, with an emphasis on advanced materials processing and Industry 4.0. As a research pioneer of additive friction stir deposition, Prof. Yu is exploring multiple facets of the process, including integration of in situ monitoring and physics simulation for process control (temperature, force and torque, material flow, and distortion), design and synthesis of hybrid materials with innovative 3D internal structures, as well as use of the technology for structural repair, selective-area cladding, and materials recycling and upcycling.
"Prof. Hang Yu has created a masterpiece in this first book on the
additive friction stir deposition technology. Additive friction
stir deposition is emerging as a very high deposit rate additive
manufacturing process and has started finding real world
applications. This book provides a timely overview of this new
field. As researchers and practitioners of this new technology work
on various new opportunities, they will benefit from the necessary
theoretical basis provided in Chapters 2, 3, 4 and 7. Prof. Yu
draws from his own research and experience to provide insights. It
is a very comprehensive book that covers from process physics and
materials science to tooling/applications. This is a great resource
for students who get in this field and is a "must read" book.
Faculty teaching advanced manufacturing processes can use several
chapters to teach about this disruptive manufacturing process."
--Dr. Rajiv Mishra, University Distinguished Professor, University
of North Texas, USA
"A very timely book on this new emerging solid-state additive
manufacturing technology. An excellent reference for those who are
interested in this dynamic and fast growth topic, from
fundamentals of the process, technology innovations, and resulting
microstructure and properties." --Dr. Zhili Feng, Distinguished
R&D Staff, and Leader Materials Joining Group, Oak Ridge
National Laboratory, USA
"Prof. Yu’s research has placed him and his team at the forefront
of a technology that is seeing tremendous growth on the global
additive manufacturing stage. This book expertly combines knowledge
gained from years of experience into a single source that will
offer the reader a keen insight into understanding the MELD
process." --Dr. Chase Cox, Vice President, MELD Manufacturing
Corporation, USA
"A thorough book on the emerging additive friction stir deposition
technology that is poised to be very disruptive to fusion-based
additive manufacturing. It sufficiently covers the benefits and
challenges of using the process and provides a solid foundation for
further research." --Dr. Michael Eller, Adjunct Professor,
University of New Orleans, USA
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