Laser shock peening Performance and process simulation
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Summary
Laser shock peening (LSP) is a process for inducing compressive residual stresses using shock waves generated by laser pulses. It is a relatively new surface treatment for metallic materials that can greatly improve their resistance to crack initiation and propagation brought on by cyclic loading and fatigue. This book, the first of its kind, consolidates the scattered knowledge about LSP into one comprehensive volume. It describes the mechanisms of LSP and its substantial role in improving fatigue performance in terms of modification of microstructure, surface morphology, hardness, and strength. In particular, it describes numerical simulation techniques and procedures that can be adopted by engineers and research scientists to design, evaluate, and optimize LSP processes in practical applications.
Table of Contents
General Introduction
Laser Shock Peening
Traditional Shot Peening
Scope of Book
Physical and Mechanical Mechanisms of LSP
Introduction
Laser System for LSP
Generation of Shock Wave
Measurement of Residual Stress
Characteristics of Residual Stresses Induced by LSP
Modifications in Surface Morphology and Microstructure
Effects on Mechanical Properties
Applications of LSP
Summary
Simulation Methodology
Introduction
Physics and Mechanics of LSP
Analytical Modelling
FEM for LSP
FE Analysis Techniques
LSP Simulation Procedure
Summary
2-D Simulation of Single and Multiple LSP
Introduction
LSP Process
2-D finite Element Simulation
Evaluation and Discussion
Summary
3-D Simulation of Single and Multiple LSP
Introduction
Experimental
Analytical Model
FE Model
Results and Discussion
Summary
2-D Simulation of Two-Sided LSP on Thin Sections
Introduction
LSP Model
FE Model
Evaluation of Modelling
Effects of Parameters
Summary
Simulation of LSP on Curved Surface
Introduction
LSP Model
FE Models
Evaluation and Discussion
Summary
