Metallurgy of Superconducting Materials

List of Contributors

Foreword

Preface

Contents of Previous Volumes

Introduction to Superconducting Materials

I. Phenomena and Applications of Superconductivity

II. Elementary Theories of Superconductivity

III. Irreversible Properties of Type II Superconductors

References

Magnets, Motors, and Generators

I. Introduction

II. Magnetic Design Considerations

III. Applications

References

Metallurgy of Niobium-Titanium Conductors

I. Introduction

II. The Niobium-Titanium System

III. Microstructure and Critical Current Density

IV. Theory of Flux Pinning in Niobium-Titanium Alloys

V. The Nb-Ti Conductors

References

Physical Metallurgy of A15 Compounds

I. Introduction

II. Superconducting Critical Temperature Tc

III. Upper Critical Field Hc2

IV. Critical Current Density Jc

References

Superconductivity and Electron Microscopy

I. Introduction

II. Transmission Electron Microscopy

III. Electron Microscopy of Niobium and Its Alloys

IV. Transmission Electron Microscopy of A15 Superconductors

V. Observation of Magnetic Flux Lines by Electron Microscopy

VI. Superconducting Lenses

VII. Conclusion

References

Metallurgy of A15 Conductors

I. Introduction

II. A15 Compound Stability

III. Conductor Processing Methods

IV. Relationships between Superconducting Properties and Microstructure in Bronze-Processed Conductors

V. Superconducting Critical Currents, Temperatures, and Magnetic Fields of Nb3Sn Wire Conductors under Tensile Strain

References

Superconductors for Power Transmission

I. Introduction

II. Cable Designs and Superconductor Requirements

III. Bulk Critical Current of Type II Superconductors

IV. Surface Currents in Type II Superconductors

V. Theory of AC Losses in Type II Superconductors

VI. AC Losses of Pure Niobium

VII. ACXossesiof Nb3Sn and Nb3Ge

References

Metallurgy of Niobium Surfaces

I. Introduction

II. Impurities at Nb Surfaces

III. Superconducting Properties

References

Irradiation Effects in Superconducting Materials

I. Introduction

II. Elements

III. Body-Centered-Cubic Alloys

IV. Non-A15 Compounds

V. A15 Compounds

References

Future Materials Development

I. Introduction

II. Development of Known Materials

III. The Possibility of New Superconductors with Higher 7c's

IV. Conclusions

References

Index