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This is a comprehensive text describing the basic physics and technological applications of vacuum arcs. Part I describes basic physics of the vacuum arc, beginning with a brief tutorial review of plasma and electrical discharge physics, then describes the arc ignition process, cathode and anode spots which serve as the locus for plasma generation, and resultant interelectrode plasma. Part II describes the applications of the vacuum arc for depositing thin films and coatings, refining metals, switching high power, and as sources of intense electron, ion, plasma, and x-ray beams.
Scientists, engineers, and technologists in the coating and thin film fields, and especially those involved in wear resistant coatings in the tool and automotive industries, and those involved in decorative coatings.
Part I: Fundamentals of Vacuum Arc Science and Technology
1. Electrical Discharges and Plasmas-A Brief Tutorial
Definitions and Purpose of the Chapter
Conduction of Electrical Current
2. Arc Ignition
Insulator Enhanced Emission
Main Insulator Considerations
Arc Ignition from Low Voltage Sources
3. Cathode Spots
Theories of Cathode Spots
4. The Interelectrode Plasma
The Multi-Cathode Spot Vacuum Arc
Experimental Characterization of the Interelectrode Plasma
The Interelectrode Plasma in an External Magnetic Field
The Interelectrode Plasma Model
Plasma and Current Interaction with a Magnetic Field
Summary and Conclusions
5. Anode Phenomena
Transitions Between Anode Modes
Theories and Models of Anode Phenomena
Part II: Applications of Vacuum Arc Science and Technology
6. Coatings From the Vacuum Arc
Vacuum Arc Deposition
Arc Source Designs
Rigid-Rotor Models of Plasma Flow
Applications of Arc-Deposited Coatings
Emerging Applications and New Opportunities with PVD Arc Sources
7. Vacuum Arc Metal Processing
General Metallurgical Aspects of Vacuum Treatment
Other Vacuum Arc Melting and Remelting Technologies
Comparison with Other Remelting Technologies
Summary and Conclusions
8. Vacuum Switching of High Current and High Voltage at Power Frequencies
Introduction to Power Switching
Fundamentals of Current Interruption
Construction of Vacuum Interrupters
Application of Vacuum Switchgear
9. Pulsed Power Applications
Pulsed Power Concepts and Definitions
Vacuum Arcs as Switches
Vacuum Arcs as Loads
About the Contributors
- No. of pages:
- © William Andrew 1996
- 31st December 1996
- William Andrew
- eBook ISBN:
- Hardcover ISBN:
Tel Aviv University, Israel
David Sanders formerly professor at Lawrence Livermore National Laboratory
CSIRO, Division of Applied Physics, Australia
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