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Control of Welding Distortion in Thin-Plate Fabrication

Design Support Exploiting Computational Simulation
BuchGebunden
Englisch
Woodhead Publishingerschienen am20.01.2014
Based on pioneering research by the authors, this book reviews ways of modelling and testing welding distortion and how this understanding can be used to develop design and manufacturing strategies to reduce welding distortion and its effects.mehr
Verfügbare Formate
BuchGebunden
EUR241,50
E-BookEPUBDRM AdobeE-Book
EUR190,00

Produkt

KlappentextBased on pioneering research by the authors, this book reviews ways of modelling and testing welding distortion and how this understanding can be used to develop design and manufacturing strategies to reduce welding distortion and its effects.
Details
ISBN/GTIN978-0-85709-047-8
ProduktartBuch
EinbandartGebunden
Erscheinungsjahr2014
Erscheinungsdatum20.01.2014
SpracheEnglisch
Gewicht686 g
Artikel-Nr.29812930

Inhalt/Kritik

Inhaltsverzeichnis
Author contact details Woodhead Publishing Series in Welding and Other Joining Technologies Preface 1. Introduction: development of computational welding mechanics approach to welding distortion Abstract: 1.1 Background: control of welding distortion in fabrication practice 1.2 Aims: integrated design approach utilising computational welding mechanics (CWM) 1.3 Structure of the book 1.4 Conclusion 1.5 References 2. Fabrication of stiffened thin-plate structures and the problem of welding distortion Abstract: 2.1 Introduction 2.2 Welding distortion of stiffened-plate and other fabricated structures 2.3 Outline of a typical fabrication process 2.4 Raw materials and primary process factors 2.5 Management issues relevant to thin-plate distortion 2.6 Rectification of thin-plate distortion 2.7 Conclusion 2.8 References 3. Tools to deal with welding distortion: predictive modelling and research on in-process techniques Abstract: 3.1 Introduction 3.2 Artificial neural networks (ANNs) 3.3 Computational simulation 3.4 Current research on reduction of distortion 3.5 Conclusion 3.6 References 4. Understanding welding distortion: thermal fields thermo-mechanical effects Abstract: 4.1 Introduction 4.2 Thermal fields: dependence on welding parameters and material properties 4.3 Thermo-mechanical effects 4.4 Thermo-mechanical treatment based on longitudinal-transverse uncoupling 4.5 Plane strain strip: longitudinal deformations and forces 4.6 Transverse welding deformations 4.7 Residual stress 4.8 Buckling 4.9 Conclusion 4.10 References 5. Computational simulation of welding distortion: an overview Abstract: 5.1 Introduction 5.2 Multi-physics 5.3 Thermal property non-linearity 5.4 Phase change and non-linear thermal dilatation 5.5 Mechanical property idealisation 5.6 Thermal computation outline 5.7 Range of thermo-mechanical approaches available 5.8 Reduced solutions and their advantages 5.9 Conclusion 5.10 References 6. Experimental investigation of models of welding distortion: methods, results and comparisons Abstract: 6.1 Introduction 6.2 Importance of experimental observations 6.3 Welding process application in test work 6.4 Thermocouple arrays 6.5 Thermography 6.6 Deformation measurement 6.7 Completion and smoothing of measured deformation profiles 6.8 Characterising out-of-plane deformation 6.9 Conclusion 6.10 References 7. Modelling thermal processes in welding Abstract: 7.1 Introduction 7.2 Convection and radiation 7.3 Heat input modelling 7.4 Simulation of weld deposition 7.5 Thermal property non-linearity 7.6 Three-dimensional transient thermal computation 7.7 Transient finite-element model based on two-dimensional cross-section 7.8 Thermal computation in stiffener fillet weld geometries 7.9 Welding efficiency 7.10 Thermal cutting 7.11 Conclusion 7.12 References 8. Computationally efficient methods for modelling welding processes Abstract: 8.1 Introduction 8.2 Computationally efficient methods based on algorithms 8.3 Hybrid stepwise solution methods 8.4 Conclusion 8.5 References 9. Finite-element thermo-mechanical techniques for welding distortion prediction Abstract: 9.1 Introduction 9.2 Formulation of thermo-mechanical finite-element model 9.3 Case study: influence of tacking procedures on butt-weld distortion 9.4 Case study: fillet-welded stiffened plate 9.5 Conclusion 9.6 References 10. Simulating welding distortion in butt welding of thin plates Abstract: 10.1 Introduction 10.2 Plate support and out-of-flatness influences 10.3 Effects of tacking 10.4 Clamping effects 10.5 Residual stress in butt welds 10.6 Multiple butt welds 10.7 Conclusion 10.8 References 11. Simulating welding distortion in fillet welding of stiffened plate structures Abstract: 11.1 Introduction 11.2 Plates with double-sided continuous fillet-welded single stiffeners: thermal aspects 11.3 Plates with double-sided continuous fillet-welded single stiffeners: computationally efficient thermomechanical treatment 11.4 Multiply-stiffened plates: case study on welding sequence 11.5 Conclusion 11.6 References 12. Exploiting welding distortion models: examples of design and manufacturing strategies to optimise fabrication Abstract: 12.1 Introduction 12.2 Optimising multi-stiffener configuration 12.3 Optimising the design in terms of weld position 12.4 Limiting heat input to avoid buckling 12.5 Simulation of transient thermal tensioning: fabrication-related distortion reduction study 12.6 Simulated use of low-transformation-temperature filler material to reduce distortion 12.7 Simulated use of weld-trailing cryogenic cooling process to reduce distortion 12.8 Conclusion 12.9 References Indexmehr