Welding Deformation and Residual Stress Prevention

Inbunden, Engelska, 2012

AvNinshu Ma,Hidekazu Murakawa,Yukio Ueda,Japan) Ma, Ninshu (Professor, Osaka University

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Generally, welding produces welding deformation and residual stress in the products, which influences the quality and performance of the products. Although many engineers and researchers have made great effort how to control these incidents, they have still remained unresolved. Welding Deformation and Residual Stress Prevention provides a unique computational approach to the prediction of the effects of deformation and residual stress on materials. The goal is to provide engineers and designers with the ability to create their own computational system for predicting and possibly avoiding the problem altogether.

The basic theories including "theory of elastic-plastic analysis" and "inherent strain theory" , and analysis procedures are described using a simple three-bar model
Online simulation software to perform basic analysis on welding mechanics
Examples of strategic methods and procedures are illustrated to have solved various welding-related problems encountered in the process of construction
Appendices present data bases for welding residual stresses, temperature dependent material properties, etc.

Produktinformation

Utgivningsdatum2012-04-26
Mått152 x 229 x 23 mm
Vikt620 g
FormatInbunden
SpråkEngelska
Antal sidor312
FörlagElsevier Science
ISBN9780123948045

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Maskinteknik och material inom Naturvetenskap och teknik

Ninshu Ma received his doctoral degree in Engineering from Osaka University in 1994 and then worked for 21 years as a professional consultant in the field of computer-aided engineering at Japan Research Institute. He’s currently a professor at Joining and Welding Research Institute, Osaka University. His research focuses on the development of computing methods and their FEM software for analysis of multi-physical phenomena in joining and forming processes. Recent work has centered on thermal-mechanical coupling analysis on various joining processes of dissimilar materials as well as additive manufacturing processes and the assessment of structural components.

Preface 1. Introduction to welding mechanics 2. Measurement and prediction of residual stresses by inherent strain method3. Basic knowledge on simulation analysis for welding thermal process, stress and deformation4. Basic Concept of Finite Element Method5. Questions and Answers of attached FEM programs6. Experience simulation using attached FEM programs 7. Simulation Analysis of welding stresses and deformation for manufacturing problems Appendix A Tables and figures of welding residual stresses in various welded joints Appendix B Temperature dependent material properties and samples for FEM simulation Appendix C Three dimensional mathematical equations for thermal elastic plastic creep phenomena

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