Thermal Processes In Welding
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Thermal Processes In Welding
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Author : Victor A. Karkhin
language : en
Publisher: Springer
Release Date : 2019-05-15
Thermal Processes In Welding written by Victor A. Karkhin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-15 with Technology & Engineering categories.
This book describes and systemizes analytical and numerical solutions for a broad range of instantaneous and continuous, stationary and moving, concentrated and distributed, 1D, 2D and 3D heat sources in semi-infinite bodies, thick plane layers, thin plates and cylinders under various boundary conditions. The analytical solutions were mainly obtained by the superimposing principle for various parts of the proposed 1D, 2D and 3D heat sources and based on the assumption that only heat conduction plays a major role in the thermal analysis of welds. Other complex effects of heat transfer in weld phenomena are incorporated in the solutions by means of various geometrical and energetic parameters of the heat source. The book is divided into 13 chapters. Chapter 1 briefly reviews various welding processes and the energy characteristics of welding heat sources, while Chapter 2 covers the main thermophysical properties of the most commonly used alloys. Chapter 3 describes the physical fundamentals of heat conduction during welding, and Chapter 4 introduces several useful methods for solving the problem of heat conduction in welding. Chapters 5 and 6 focus on the derivation of analytical solutions for many types of heat sources in semi-infinite bodies, thick plane layers, thin plates and cylinders under various boundary conditions. The heat sources can be instantaneous or continuous, stationary or moving, concentrated or distributed (1D, 2D or 3D). In Chapter 7 the temperature field under programmed heat input (pulsed power sources and weaving sources) is analyzed. In turn, Chapters 8 and 9 cover the thermal cycle, melting and solidification of the base metal. Heating and melting of filler metal are considered in Chapter 10. Chapter 11 addresses the formulation and solution of inverse heat conduction problems using zero-, first- and second-order algorithms, while Chapter 12 focuses on applying the solutions developed here to the optimization of welding conditions. In addition, case studies confirm the usefulness and feasibility of the respective solutions. Lastly, Chapter 13 demonstrates the prediction of local microstructure and mechanical properties of welded joint metals, while taking into account their thermal cycle. The book is intended for all researches, welding engineers, mechanical design engineers, research engineers and postgraduate students who deal with problems such as microstructure modeling of welds, analysis of the mechanical properties of welded metals, weldability, residual stresses and distortions, optimization of welding and allied processes (prewelding heating, cladding, thermal cutting, additive technologies, etc.). It also offers a useful reference guide for software engineers who are interested in writing application software for simulating welding processes, microstructure modeling, residual stress analysis of welds, and for robotic-welding control systems.
Welding Thermal Processes And Weld Pool Behaviors
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Author : ChuanSong Wu
language : en
Publisher:
Release Date : 2017
Welding Thermal Processes And Weld Pool Behaviors written by ChuanSong Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Electronic books categories.
Welding Thermal Processes And Weld Pool Behaviors
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Author : Chuan Song Wu
language : en
Publisher: CRC Press
Release Date : 2010-09-01
Welding Thermal Processes And Weld Pool Behaviors written by Chuan Song Wu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-01 with Science categories.
After introducing the concepts and characteristics of welding thermal processes and weld pool behaviors, this book addresses essential advances in welding analysis and processes with an emphasis on the latest modeling and simulation methods. It covers techniques and formulas for assessing welding thermal processes, finite difference and finite analysis methods for calculating thermal conduction, and numerical simulation of weld pool behaviors in metal-inert-gas/metal-active-gas arc welding, It also covers keyhole and weld pool dynamics in plasma arc welding and vision-based sensing of weld pool shape and geometry. It also provides case studies of fluid flow and heat transfer in tungsten-inert-gas arc welding.
Theory Of Thermomechanical Processes In Welding
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Author : Andrzej Sluzalec
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-03-11
Theory Of Thermomechanical Processes In Welding written by Andrzej Sluzalec and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-03-11 with Technology & Engineering categories.
The main purpose of this book is to provide a unified and systematic continuum approach to engineers and applied physicists working on models of deformable welding material. The key concept is to consider the welding material as an thennodynamic system. Significant achievements include thermodynamics, plasticity, fluid flow and numerical methods. Having chosen point of view, this work does not intend to reunite all the information on the welding thermomechanics. The attention is focused on the deformation of welding material and its coupling with thermal effects. Welding is the process where the interrelation of temperature and deformation appears throughout the influence of thermal field on material properties and modification of the extent of plastic zones. Thermal effects can be studied with coupled or uncoupled theories of thermomechanical response. A majority of welding problems can be satisfactorily studied within an uncoupled theory. In such an approach the temperature enters the stress-strain relation through the thennal dilatation and influences the material constants. The heat conduction equation and the relations governing the stress field are considered separately. In welding a material is either in solid or in solid and liquid states. The flow of metal and solidification phenomena make the welding process very complex. The automobile, aircraft, nuclear and ship industries are experiencing a rapidly-growing need for tools to handle welding problems. The effective solutions of complex problems in welding became possible in the last two decades, because of the vigorous development of numerical methods for thermal and mechanical analysis.
Introduction To Welding
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Author :
language : en
Publisher:
Release Date : 2009
Introduction To Welding written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Gas metal arc welding categories.
Eng092 Introduction To Welding
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Author :
language : en
Publisher:
Release Date : 2007
Eng092 Introduction To Welding written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Oxyacetylene welding and cutting categories.
Numerical Simulations Of Thermal Processes And Welding
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Author : Andrew Mackwood
language : en
Publisher:
Release Date : 2003
Numerical Simulations Of Thermal Processes And Welding written by Andrew Mackwood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Thermal Process Modeling 2014
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Author : B. Lynn Ferguson, Robert Goldstein, Scott MacKenzie, and Rozalia Papp
language : en
Publisher: ASM International
Release Date : 2014-06-01
Thermal Process Modeling 2014 written by B. Lynn Ferguson, Robert Goldstein, Scott MacKenzie, and Rozalia Papp and has been published by ASM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-01 with Electronic books categories.
Thermal processes are key manufacturing steps in producing durable and useful products, with solidification, welding, heat treating, and surface engineering being primary steps. These papers represent the latest state-of-the-art in thermal process modeling. The breadth of topics covers the depth of the industry.
Theory Of Thermomechanical Processes In Welding
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Author : Andrzej Sluzalec
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-12-05
Theory Of Thermomechanical Processes In Welding written by Andrzej Sluzalec and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-05 with Technology & Engineering categories.
The main purpose of this book is to provide a unified and systematic continuum approach to engineers and applied physicists working on models of deformable welding material. The key concept is to consider the welding material as an thennodynamic system. Significant achievements include thermodynamics, plasticity, fluid flow and numerical methods. Having chosen point of view, this work does not intend to reunite all the information on the welding thermomechanics. The attention is focused on the deformation of welding material and its coupling with thermal effects. Welding is the process where the interrelation of temperature and deformation appears throughout the influence of thermal field on material properties and modification of the extent of plastic zones. Thermal effects can be studied with coupled or uncoupled theories of thermomechanical response. A majority of welding problems can be satisfactorily studied within an uncoupled theory. In such an approach the temperature enters the stress-strain relation through the thennal dilatation and influences the material constants. The heat conduction equation and the relations governing the stress field are considered separately. In welding a material is either in solid or in solid and liquid states. The flow of metal and solidification phenomena make the welding process very complex. The automobile, aircraft, nuclear and ship industries are experiencing a rapidly-growing need for tools to handle welding problems. The effective solutions of complex problems in welding became possible in the last two decades, because of the vigorous development of numerical methods for thermal and mechanical analysis.
Friction Welding
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Author : Bekir Sami Yilbas
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-03-14
Friction Welding written by Bekir Sami Yilbas and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-14 with Technology & Engineering categories.
This book provides insight into the thermal analysis of friction welding incorporating welding parameters such as external, duration, breaking load, and material properties. The morphological and metallurgical changes associated with the resulting weld sites are analysed using characterization methods such as electron scanning microscope, energy dispersive spectroscopy, X-ray Diffraction, and Nuclear reaction analysis.