1 Introduction
1.1 Engineering Materials and Its Surface
1.2 Surface Engineering and Its Classification
1.2.1 Concept of Surface Engineering
1.2.2 Surface Hardening Technology
1.2 3 Surface Covering Technology
1.2 4 Surface Alloying／Metallurgy Technology
1.2.5 Classification Table
1.3 Existing Surface Alloying Technology
1.3.1 Conventional Surface Alloying Technology
1.3.2 Modem Surface Alloying Technology
1.3.3 Concept of Plasma Surface Metallurgy
1.4 Glow Discharge and Plasma Nitriding
1.4.1 History of Glow Discharge
1.4.2 Concept of Plasma
1.4.3 Advent ofPlasma Nitriding in Germany
References
2 Plasma Nitriding
2.1 Glow Discharge and Its Characteristics
2.1.1 Characteristics ofGlow Discharge
2.1.2 Stratified Phenomenon
2.1.3 Interactions Between Ions and Material Surface
2.2 Plasma Nitriding Process
2.2.1 Basic Principle
2.2.2 Advantages
2.2.3 Industrial Applications
2.3 Other Plasma Surface Alloying Technology
2.3.1 Plasma Carburizing
2.3.2 Plasma Nitro-Carbufizing
2.3.3 Plasma Sulphurizing
2.4 Restriction of Plasma Nitriding
2.5 Development of Plasma Nitriding in China
References
3 Double Glow Discharge Phenomenon and Its Applications
3.1 What Is Double Glow Discharge Phenomenon
3.2 Discovery of Double Glow Discharge
3.3 Double Glow Discharge Modes
3.3.3 Independent Discharge Mode
3.3.2 Dependent Discharge Mode
3.3.3 Pulse Discharge Mode
3.3.4 Other Discharge Mode
3.4 Double Glow Hollow Cathode Discharge(DG-HCD)
3.4.1 Hollow Cathode Discharge fHCD)
3.4.2 Concept of DG-HCD
3.4.3 Current Amplification Efiect of DG-HCD
3.5 Advent of Double Glow Plasma Surface Alloying／Metallurgy
(Xu-Tec Process)
3.5.1 First Experimental Device
3.5.2 First Microstructure of Tungsten Surface Alloy
3.5.3 Other Considerations
References
4 Double Glow Plasma Surface Alloying／Metallurgy Technolog3
4.1 Introduction
4.2 Basic Principle
4.3 Diffusion Mechanism
4.4 Process Operation
4.5 Configuration of Working-Piece and Source Elec~ode
4.5.1 Plate Type
4.5.2 Cave Type
4.5.3 Deep Well Type
4.6 Technological Parameters
4.6.1 Measurable Parameters
4.6.2 Typical Process Parameters
4.6.3 Nonmeasurable Parameters
4.7 Arc Discharge
4.7.1 Micro-Arc Discharge
4.7.2 Macro Arc Discharge
4.7.3 Harmfulness of Arc Discharge
4.7.4 Reasons of Arc Discharge
……
5 Physical Basis of Plasma Surface Metallurgy
6 Plasma Surface Metallurgy of Iron and Steel
7 Plasma Surface Metallurgy High-Speed Steel
8 Plasma Surface Metallurgy of Titanium and Titanium Alloys
9 Plasma Surface Metallurgy of Intermetallic Compounds
10 Plasma Surface Metallurgy of Other Materials
11 Gradient Ceramization of Metal Surface and Metallization
of Ceramic Surface
12 Industrial Applications and Equipment Scaling-Ups of Xu-Tec Process
13 Other Technologies by Double Glow Discharge Plasma Phenomenon
Closing Remarks

双层辉光等离子表面冶金技术是我国首创，居世界领先水平的原创性发明技术，是当今世界上最先进的表面合金化技术，有广阔的工业应用前景，开辟了“等离子表面冶金学”新领域。Zhong Xu、Frank F.Xiong编著的《Plasma Surface Metallurgy(精)》是世界上第一本有关等离子表面冶金学的专著，其出版将有助于彰显我国的创造力和科学技术水平。