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Welding Deformation and Residual Stress Prevention
Elsevier Science and Technology, April 2012, Pages: 312
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.
1 Introduction to welding mechanics
2 Measurement and prediction of residual stresses by inherent strain method
3 Basic knowledge on simulation analysis for welding thermal process, stress and deformation
4. Basic Concept of Finite Element Method
5 Questions and Answers of attached FEM programs
6 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