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10/1/2009 - Strained Metallic Surfaces: Theory, Nanostructuring and Fatigue Strength (2009), by Valim Levitin and Stephan Loskutov


ISBN 978-3-527-32344-9. John Wiley & Sons, New York. 2009. Hardcover. 571 pages. $215.00.

REVIEWED BY: Yong Gao, Materials Scientist, Dentsply


Strained Metallic Surfaces: Theory, Nanostructuring and Fatigue Strength by Valim Levitin and Stephan Loskutov is a research monograph on both surface strain/stress and fatigue of metals and industrial alloys. Unlike most other books on classical fatigue and fracture mechanics, authors have presented a different perspective on fatigue crack initiation and propagation and developed an interdisciplinary approach to investigate metal fatigue by using the technique of electron work function (EWF) based on the Kelvin probe method.

Surface plays a crucial role in determining the ultimate properties and fatigue life of materials. With the intent to build a bridge between solid-state physics and strained metallic surface and metal fatigue, the first five chapters of this book introduce both theoretical and experimental aspects of strained metallic surface with special emphasis on the electronic work function and its connection with elastic and plastic strain on surface. From the sixth chapter to the end of the book, authors guide readers onto fatigue behavior, from fatigue life prediction to physical mechanism of fatigue crack initiation and crack growth, from surface nanostructuring and strengthening to new processing methods for fatigue resistance improvement, with quantitative physical models and detailed case studies of gas-turbine blades and discs.

I felt that as a practicing materials scientist dealing with metallurgy and fatigue of engineered alloys, the following three chapters were of special interest to me: Chapter 2 (Some Experimental Techniques), Chapter 8 (Stressed Surfaces in the Gas-Turbine Engine Components) and Chapter 9 (Nanostructuring and Strengthening of Metallic Surface. Fatigue Behavior). Chapter 2 summarizes several experimental techniques to characterize residual surface stresses, with great details on electron work function measurement as a non-destructive testing method. Chapters 8 and 9 cover up issues of surface stress and fatigue of superalloys used in gas-turbine components of aircraft, which is especially beneficial to those who are working on optimization of residual surface stress through various surface treatments and improvement of fatigue resistance by nanostructuring techniques.

The appearance of the book cover, text and figures were of good quality and for the most part attractive. The table of contents was clear and detailed. The list of symbols and the index at the end of the book werevery helpful. The system of differential equation for fatigue crack growth in the supplement was a great addition to Chapter 7 (Computer Simulation of Parameter Evolutions during Fatigue), which would be a valuable reference for people who are interested in numerical modeling. I particularly felt that the introductory paragraph at the beginning and the summary at the end of each chapter were concise and beneficial.

Similar to High Temperature Strain of Metals and Alloys, another book most recently written by Dr. Valim Levitin, this book was also attempting to explain a complex subject with special focus on theoretical interpretation and numerical modeling of physical fundamentals at the atomic level, which could limit its usage as a daily reference book for practicing engineers due to its theoretical nature.

My overall impression of the book Strained Metallic Surfaces: Theory, Nanostructuring and Fatigue Strength is that it can be used by either practicing materials engineers or researchers in the fields of fatigue and failure analysis, materials science and physics. This book could also be used to teach an advanced undergraduate or graduate level course in fatigue or surface physics.

For more on Strained Metallic Surfaces: Theory, Nanostructuring and Fatigue Strength, visit the John Wiley & Sons web site.


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