Surface Phenomena in Fusion Welding Processes
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Summary
The manufacturing industry currently employs a wide variety of welding processes. The main technological process applied in the production of weldments is fusion welding. Presenting the latest research on the topic, Surface Phenomena in Fusion Welding Processes is a cutting-edge and comprehensive book that details the various courses of action that occur during welding procedures.
It explains established regularities that are useful in the development of processes; details the formation of defects, allowing for an understanding of the role of surface properties and surface phenomena during the formation of defects; and describes welding in space, elucidating the determination role of surface phenomena in that environment. The text also contains 217 figures, 29 tables, and 336 equations to provide the reader with a better understanding of the various processes.
In the development of welding technologies, as well as welding consumables, it is essential to know and to take into account both the surface properties of the applied materials and the surface phenomena that affect the boundaries of contacting phases. Surface Phenomena in Fusion Welding Processes presents this knowledge in a thorough and accessible manner, making it the ideal reference for practical and scientific specialists in the fields of welding and metallurgy.
Table of Contents
Characterization of the Fusion Welding Process
Some Features of Fusion Welding
Welding Heat Sources
Fusion Welding Processes
Physicochemical Processes of Welded Joint Formation
Surface Properties and Phenomena
Surface Properties and Phenomena on the Boundaries of
Contacting Phases
Determination of Surface Properties of Melts
Methods of Measurement of the Surface Tension of Solids
Metals
Methods to Determine the Surface Energy of the Interphases
Wettability, Spreading, and Electrocapillary Phenomena
Results of Studying the Surface Properties and Phenomena
Surface Tension of Molten and Solid Metals
Interphase Surface Energies in Metal-Slag and
Solid Metal-Melt Systems
Wettability and Spreading of Metal Melts Over the
Surface of Solids
Influence of Welding Heat Sources on Wettability and Spreading
Wettability of the Solid Metal by Nonmetal Melts
Electrocapillary Phenomena in Metal-Slag System
Electrode-Metal Transfer and Surface Phenomena
Forces Influencing Electrode-Metal Transfer
Transfer and Spatter of Electrode Metal in Welding in a
Gaseous Medium
Transfer of the Electrode Metal Contacting the Slag
Formation of Weld and Deposited Metal
Weld and Serviceability of a Welded Structure
Formation of the Penetration Zone
Formation of the Weld Bead and Root
Formation of the Deposited Metal
Defects of Weld Shape and Surface Phenomena
Non-Metallic Inclusions
Non-Metallic Inclusions in the Welds
Nucleation of Non-Metallic Inclusions in the Weld Pool
Coarsening of Non-Metallic Inclusions in the Weld Pool
Removal of Non-Metallic Inclusions from the Weld Pool
Porosity in Welds
Pores and Performance of a Welded Joint
Formation of Gas Bubble Nuclei
Formation of Gas Bubble Nuclei in a Heterogeneous
Environment
Growth of Gas Bubbles in the Weld Pool
Escape of Gas Bubbles from the Molten Metal
Solidification Cracking
Solidification Cracks: Factors Affecting Their Formation and Test
Methods
Mechanism of the Effect of Metal Melts on the Fracture of
Solid Metals
Effect of Low-Melting Non-Metallic Melts on the Mechanical
Properties of Solid Metals
Effect of Low-Melting Melts on Solidification Cracking
Development of Welding and Surfacing Technologies
with Allowance for Surface Phenomena
Welding of Composite Fiber-Reinforced Materials
Electron Beam Surfacing
Welding and Surfacing of Copper-Steel Parts
Manufacture of Metal Cutting Tools with a Deposited
Cutting Edge
The Role of Surface Phenomena in the Submerged-Arc Welding
and Surfacing Processes
Surface Phenomena Occurring in Welding and Surfacing in
Space
Appendix
References
Index
Editorial Reviews
"A comprehensive guide to composites that encompasses aspects for design, manufacture, tooling, and cost considerations of this complex field for aerospace and commercial applications. This book is an excellent source of information for all disciplines, bringing together both introductory and advanced resources in one publication."
-Gerald E. Sutton, Vice President-RTM
Advanced Technical Products, Inc., Intellitec Division, DeLand, Florida, USA
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