Introduction | |
Critical temperature and critical current | |
Sintering | |
Effect of sintering condition on J[subscript c] | |
Weak links in sintered samples | |
Grain alignment | |
Applications | |
Melt processed superconductors | |
Phase Diagram of the Y-Ba-Cu-O System | |
Sample preparation | |
Microstructural analysis | |
Pseudobinary phase diagram | |
Melt Processing | |
MTG process | |
Modified MTG process | |
QMG and MPMG processes | |
Power melting process | |
Platinum doped melt growth process | |
Solidification with sample transport | |
Grain growth | |
Beneficial points of the MPMG process | |
Modified MPMG process | |
Seeding | |
Other melt processes | |
Crystal Growth | |
Directional solidification | |
Solidification models | |
Microstructure | |
Microstructure of melt processed samples | |
Observation of oxygen deficient regions | |
Microstructural characterization by transmission electron microscopy | |
Magnetic Properties I: DC Magnetization | |
DC magnetization at low fields | |
Magnetization hysteresis loops | |
Magnetic Properties II: AC Magnetization | |
Samples and measurements | |
Temperature dependence of AC susceptibility | |
Analysis of [chi] and [chi [superscript '']] based on the Bean model | |
Magneto-Optical Observation | |
Optical detection system | |
Experimental | |
Results on MPMG-processed YBCO | |
Results on QMG-processed YBCO | |
Role of 211 inclusions | |
Critical Current | |
Factors to affect critical currents | |
Critical current in type I superconductor | |
Critical current in type II superconductor | |
Critical current measurements | |
Flux Pinning I | |
Pinning mechanism | |
Flux pinning sites in melt processed YBaCuO | |
Flux Pinning II: Y[subscript 2]BaCuO[subscript 5] Inclusion | |
Comparison of critical currents | |
The size of the pinning center | |
211/123 interface | |
The bulk pinning force and J[subscript c] | |
Scaling law | |
Direct observations | |
Flux Pinning III: Fast Neutron Irradiation | |
Neutron irradiation of single crystals and thin films | |
Neutron irradiation of melt processed materials | |
Flux Creep and Irreversibility Line | |
Flux creep and J[subscript c] | |
Time decay of critical current | |
Flux creep measurements for the MPMG processed samples | |
Irreversibility line | |
Levitation and Suspension | |
Force between a superconductor and a magnet | |
Appendix: Calculation of the levitation force | |
Fracture Toughness | |
Fracture toughness of ceramics | |
Fracture toughness of YBa[subscript 2]Cu[subscript 3]O[subscript 7]-[delta] | |
Effect of Y[subscript 2]BaCuO[subscript 5] on fracture toughness | |
Effect of other second phases on fracture toughness | |
Application I: Levitation and Suspension | |
Flux jump | |
Levitation | |
Suspension | |
Application II: Magnetic Bearing and Flywheel | |
Superconducting magnetic bearing | |
Flywheel system using bulk superconductors | |
Application III: Permanent Magnet | |
Superconducting permanent magnet | |
Samples and experiments | |
Permanent magnetic properties of the melt processed YBCO | |
Appendix: Electromagnetic Units | |
The MKSA system | |
The CGS system | |
Subject Index | |
Table of Contents provided by Blackwell. All Rights Reserved. |