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.

Features:

• Provides an understanding of the various processes involved in welding procedures
• Discusses established and proven procedures that may be used in process development
• Investigates findings of surface tension of metals in the atmosphere of CO, CO2, air, and gas mixtures
• Presents data on the influence of welding heat sources on the wettability and spreading of metal melts

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

Index

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