Laser Shocking Nano-Crystallization and High-Temperature Modification Technology

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Author :
Publisher : Springer
ISBN 13 : 3662464446
Total Pages : 200 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Laser Shocking Nano-Crystallization and High-Temperature Modification Technology by : Xudong Ren

Download or read book Laser Shocking Nano-Crystallization and High-Temperature Modification Technology written by Xudong Ren and published by Springer. This book was released on 2015-03-04 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to present foundational research on the nano-crystallization, high-temperature modification, micro-structure evolution and plastic deformation induced by laser shock processing. In this regard, the focus is on heat-resistant steel, aluminum alloy, Ti alloys and Ni-based alloys, offering valuable scientific insights into the industrial applications of laser shock processing (LSP) technology. The book addresses various topics, i.e., the formation mechanism and productivity improvement of nano-crystalline diamond by laser processing, the surface integrity and fatigue lives of heat-resistant steels, Ti alloys and Ni-based alloys after LSP with different processing parameters, tensile properties and fractural morphology after LSP at different temperatures, strain-rates and grain refinement mechanisms based on the micro-structure evolution. Moreover, the effect of heating temperature and exposure time on stress thermal relaxation and the influence of compressive stress on the stress intensity factor of hole-edge cracks by high strain rate laser shock processing are also analyzed. A new type of statistical data model to describe the fatigue cracking growth with limited data is proposed based on the consideration of the effects of fracture growth on the reliability and confidence level. This book is intended for researchers, engineers and postgraduates in the fields of nanotechnology and micro-engineering who are interested in the partial or overall strengthening of materials, especially those with a focus on surface integrity and fatigue life.

Gradient Microstructure in Laser Shock Peened Materials

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Author :
Publisher : Springer Nature
ISBN 13 : 9811617473
Total Pages : 241 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Gradient Microstructure in Laser Shock Peened Materials by : Liucheng Zhou

Download or read book Gradient Microstructure in Laser Shock Peened Materials written by Liucheng Zhou and published by Springer Nature. This book was released on 2021-06-12 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the fundamentals and principles of laser shock peening (LSP) for aeronautical materials. It focuses on the innovation in both theory and method related to LSP-induced gradient structures in titanium alloys and Ni-based alloys which have been commonly used in aircraft industries. The main contents of the book include: the characteristics of laser shock wave, the formation mechanism of gradient structures and the strengthening-toughing mechanism by gradient structures. The research has accumulated a large amount of experimental data, which has proven the significant effectiveness of LSP on the improvement of the fatigue performance of metal parts, and related findings have been successfully applied in aerospace field. This book could be used by the researchers who work in the field of LSP, mechanical strength, machine manufacturing and surface engineering, as well as who major in laser shock wave and materials science.