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Welding Deformation and Residual Stress Prevention 2nd edition [Pehme köide]

, (Consultant, Computer Aided Engineering Laboratory, Hyogo, Japan), (Professor, Chongqing University, China), (Professor, Osaka University, Japan), (Professor, Osaka University, Japan),
  • Formaat: Paperback / softback, 664 pages, kõrgus x laius: 229x152 mm, kaal: 750 g, 275 illustrations (25 in full color); Illustrations
  • Ilmumisaeg: 29-Jul-2022
  • Kirjastus: Butterworth-Heinemann Inc
  • ISBN-10: 0323886655
  • ISBN-13: 9780323886659
  • Formaat: Paperback / softback, 664 pages, kõrgus x laius: 229x152 mm, kaal: 750 g, 275 illustrations (25 in full color); Illustrations
  • Ilmumisaeg: 29-Jul-2022
  • Kirjastus: Butterworth-Heinemann Inc
  • ISBN-10: 0323886655
  • ISBN-13: 9780323886659

Welding Deformation and Residual Stress Prevention, Second Edition provides readers with both fundamental theoretical knowledge about welding deformation and stress as well as unique computational approaches for predicting and mitigating the effects of deformation and residual stress on materials. This second edition has been updated to include new techniques and applications, outlining advanced finite element methods such as implicit scheme, explicit scheme, and hybrid scheme, and coupling analysis among thermal-metallurgy-mechanics. Non-destructive measurement methods for residual stresses are introduced, such as X-ray diffraction, the indentation technique, the neutron diffraction method, and various synchrotron X-ray diffraction techniques.

Destructive measurement techniques are covered as well, such as block cutting for releasing residual stress, blind hole drilling, deep hole drilling, the slit cutting method, sectional contour method, and general inherent strain method. Various industrial applications of the material behavior and computational approaches are featured throughout.

  • Focuses on the underlying theory, practical implementation, analysis and application of measurement techniques for welding deformation and residual stress
  • Includes strategies for mitigation and control of deformation and stress
  • Discusses cutting-edge computational methods for determining welding heat source, thermal process, phase transformation, welding thermal deformation, thermal stress, and residual states
  • Outlines both non-destructive and destructive techniques for measuring residual stress
  • Includes access to a companion site with code, simulation videos and other materials
Author biography ix
Preface xiii
Acknowledgments xvii
List of symbols
xix
1 Introduction to welding mechanics
1(36)
1.1 Introduction to welding process, distortion, and residual stress
1(7)
1.2 Production process of residual stress and its source (inherent strain)
8(20)
1.3 Reproduction of residual stress by inherent strain and inverse analysis for inherent strain
28(2)
1.4 Numerical examples of residual stress, inherent strain, and inherent deformation
30(4)
References
34(3)
2 Introduction to measurement and prediction of residual stresses by the inherent strain method
37(20)
2.1 Inherent strains and resulting stresses
38(4)
2.2 Measured strains in experiments and inherent strains
42(1)
2.3 Effective and noneffective inherent strains
43(2)
2.4 Determination of effective inherent strains from measured residual stresses
45(2)
2.5 Most probable value of effective inherent strain and accuracy of the measurement of residual stress
47(2)
2.6 Derivation of elastic response matrix
49(1)
2.7 Measuring methods and procedures of residual stresses in two- and three-dimensional models
50(5)
2.8 Prediction of welding residual stresses
55(1)
References
55(2)
3 Mechanical simulation of welding
57(44)
3.1 Heat flow and temperature during welding
58(23)
3.2 Basic concepts of mechanical problems in welding
81(17)
References
98(3)
4 Computing methods of welding thermal-mechanics
101(46)
4.1 Welding heat source models
101(7)
4.2 Basic thermal conduction and heat transfer equations
108(6)
4.3 Finite element method for welding thermal stress and strain
114(21)
4.4 Introduction of advanced material models
135(2)
4.5 Simulation procedures and checkpoints
137(6)
References
143(4)
5 Residual stress in typical welded joints
147(58)
5.1 Basic thermal elastic-plastic-creep behavior in a fixed bar model
147(6)
5.2 Residual stress distribution in single-pass bead-on-plate welds
153(6)
5.3 Residual stress distribution in lap joints
159(3)
5.4 Residual stress distribution in a thick-plate butt-welded joint
162(7)
5.5 Residual stress distribution in pipe butt-welded joints
169(8)
5.6 Residual stress distribution in a multipass P92 steel joint
177(9)
5.7 Residual stress distribution in a thick-plate fillet joint
186(5)
5.8 Features of residual stress distribution near weld end-start location
191(9)
5.9 Closing remarks
200(2)
References
202(1)
Further reading
203(1)
Glossary
204(1)
6 Practical analysis methods for welding deformation of structures
205(36)
6.1 Practical numerical methods
206(19)
6.2 Welding deformation prediction
225(8)
6.3 Reduction of welding deformation by straightening
233(6)
References
239(1)
Further reading
240(1)
7 Prediction of structural welding deformation and its mitigation
241(38)
7.1 Welding deformation of a small construction model
241(10)
7.2 Welding assembly deformation of a train structure model
251(3)
7.3 Prediction of welding deformation of a road bridge girder
254(6)
7.4 Prediction and mitigation of welding deformation of a seagoing ferry superstructure block using the inherent deformation method
260(10)
7.5 Prediction of welding deformation of ship's deckhouse structure and its mitigation
270(7)
References
277(2)
8 Analysis of additive manufacturing residual stress and deformation
279(30)
8.1 Introduction
279(1)
8.2 Toward large-scale simulation of residual stress and distortion in additive manufacturing
280(7)
8.3 Residual stress and distortion in WAAMed thin wall models
287(3)
8.4 Residual stress in WAAMed aluminum alloy specimen
290(3)
8.5 Residual stress in laser-deposited functionally graded material layers
293(8)
8.6 Residual stress and strain due to solid-state cold spray additive manufacturing
301(5)
References
306(3)
9 Welding mechanics analysis of countermeasures for product performance problems
309(48)
9.1 Cold cracking at the first pass of a butt-welded joint under mechanical restraint
311(2)
9.2 Cold cracking of slit weld
313(3)
9.3 Analysis of welding residual stress of fillet welds for prevention of fatigue cracks
316(5)
9.4 Multipass-welded corner joints and weld cracking
321(6)
9.5 Analysis of transient and residual stresses of multipass welding of thick plates in relation to cold cracks, under-bead cracks, etc.
327(4)
9.6 Improvement of residual stresses in a circumferential joint of a pipe by heat-sink welding
331(3)
9.7 Analysis of welding deformation and residual stress of automotive parts
334(3)
9.8 Fatigue crack propagation analysis considering welding stress
337(9)
9.9 Analysis of buckling strength considering welding deformation and residual stress
346(6)
9.10 Methods to control deformation due to cutting and welding before structure assembly
352(1)
References
353(4)
Appendix: Database of typical residual stress distributions in various welded joints 357(84)
Index 441
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. Hes 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. Dean Deng currently serves as full professor at College of Materials Science and Engineering, Chongqing University, China. He specializes in thermal-metallurgical-mechanical behaviors of materials during welding processes and is recognized for his research related to the development of advanced computational approaches for welding and joining process simulations, welding residual stress, and deformation. He has published more than 150 papers in peer-reviewed journals and conference proceedings and his papers have been cited over 4000 times. Naoki Osawa is Professor, Department of Naval Architecture and Ocean Engineering, Division of Global Architecture, Graduate School of Engineering, Osaka University. Prior to that he was Visiting Professor, Department of Civil Engineering, The University of Sydney, Australia. His principle fields of research are fatigue strength of ship structural materials, anti-corrosion technologies for ship structures, and ships and offshore platform fabrication techniques. Sharif Rashed was Professor, Joining and Welding Research Institute, Osaka University, Japan, from 2005-2019. His current roles are Owner and Consultant at Computer Aided Engineering Laboratory, Hyogo, Japan, and Advisor, Sumimoto Rubber Industry R&D Ltd., Japan. He has published more than 150 papers on structures, continuum mechanics, ultimate strength of structures, collision and impact, cracking and tearing, fluid structure interaction, and welding.