Processing of High-Temperature Superconductors at High Strain: 1st Edition (Hardback) book cover

Processing of High-Temperature Superconductors at High Strain

1st Edition

By A.G. Mamalis, D. E. Manolakos, A. Szalay, G. Pantazopoulos

CRC Press

268 pages

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Hardback: 9781566768788
pub: 2000-05-26
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Description

The discovery of high-temperature superconductivity [1986] by Bendnorz and Müller in the La-BA-Cu-O system resulted in very extensive research work about the discovery and synthesis of other high-temperature superconductors, such as Y-BA-Cu-O and Bi-Sr-Ca-Cu-O. These new superconducting materials, possessing superconductivity above liquid nitrogen boiling point, are used in many engineering applications, from electronic sensors to rotating electrical generators and from nanometer-scale thin films to kilometer-long wires and coils. Therefore, design and net-shape manufacturing of superconducting components, starting from the initial synthesized powders, is now of utmost industrial importance.

This book is primarily focused on the bulk-fabrication techniques of high-temperature ceramic superconducting components, especially on the combination of dynamic powder-consolidation and subsequent deformation processing. The properties of these ceramics, which are difficult-to-form materials by applying conventional techniques, are combined for the net-shape manufacturing of such components for the construction of HTS devices. However, very important topics such as superconducting structures, chemical synthesis, film fabrication and characterization techniques are also reviewed to provide a complete, comprehensive view of superconductors engineering.

Table of Contents

Foreword, Bernard Raveau, CRISMAT Laboratory, France

Preface

1. INTRODUCTION

Brief History of Superconductivity

The Structure of the Monograph

2. FUNDAMENTALS OF SUPERCONDUCTORS

BCS Theory

Basic Notions

Zero Resistivity

Diamagnetic or Meissner Effect

Energy Gap

Specific Heat Discontinuity

Magnetic Flux Quantization

Isotopic Effect

Tunneling Effect (Josephson Effect)

3. SYNTHESIS OF CERAMIC SUPERCONDUCTORS

General

Classification of High-Tc Superconducting Compounds (HTS)

La-Ba-Cu-O Cuprate System

Y-Ba-Cu-O Cuprate System

Bi-Sr-Ca-Cu-O and Tl-Ba-Ca-Cu-O Cuprate Systems

Hg-Ba-Ca-Cu-O Cuprate System

Chemical Synthesis Methods

Solid-State Reaction (Ceramic) Method

Coprecipitation and Precursor Techniques

Sol-Gel Method

Emulsion Technique

Self-Propagating High-Temperature Synthesis (SHS)

Other Techniques

Effect of Doping on the Structure and Properties of HTS

Y-Ba-Cu-O Cuprate System

Bi-Sr-Ca-Cu-O Cuprate System

Doping with VB Elements

Thermal Treatment of HTS Powders

General

Chemical Reactions and Transformations

New Superconducting Compounds

An Outlook: Crystal Structure

Superconducting Properties

4. IMPACT LOADING OF SOLID POROUS MEDIA

General

Dynamic Consolidation of Powders

Explosive Compaction

Electromagnetic Compaction

Propagation of Shock Waves

Theoretical Modeling: Basic Notions

Equations-of-State (EOS)

Thermodynamic Treatment

ShockInduced Energy

Compaction Models

Shock-Induced Failures

Calculation of Explosive Compaction Parameters

Explosive Powder Compaction of High-Tc Ceramics

Preparation of Powders Prior to Compaction

Compaction/Cladding of Metal/YBCO Plates

Explosive Compaction of Axisymmetric Metal/YBCO Billets

Thermal Treatment of Explosively Compacted YBCO Billets

Compaction/Cladding of Metal/BSCCO Plates

5. FABRICATION OF BULK HTS

General

Plastic Deformation

Theoretical Modeling: Workability

Forming of Multilayer Composites: Theoretical Approach

Manufacturing of Strips and Tapes

PIT Process

Rolling of Explosively Cladded/Compacted Metal-Sheathed/HTS Multilayer Plates Manufacturing of Rods and Wires

Nonsheathed HTS Wires

Deposition Forming of Coated Metal Fibers

Metal-Sheathed HTS Rods and Wires

Fabrication of Forgings

6. FABRICATION OF HTS FILMS

General

HTS Thin-Film Processing

Sputtering

Electron Beam Evaporation

Ion-Plating

Laser Ablation

Chemical Vapor Deposition (CVD)

HTS Thick-Film Processing

Screen Printing

In-situ Melting

Electrophoresis

Plasma-Spraying

Fabrication of Thick Coating by Plasma-Spraying and Excimer Laser Posttreatment

7. CHARACTERIZATION OF HTS POWDERS AND COMPONENTS

General

Chemical and Structural Characterization

Microscopy and Microanalysis

Diffraction Techniques

Spectrometric Techniques

Thermal Analysis

Physical Characterization

Electrical Characterization

Magnetic Characterization

8. INDUSTRIAL APPLICATIONS

General

Small Scale Electromagnetic HTS Machines

Design Principles

Synchronous Generator

Levitated Bearing

Levitated Vehicle

Modeling of the Magnetic Properties

Large-Scale Bulk HTS Applications

Superconductive Wires and Coils

Superconducting Magnets

Magnetic Resonance Imaging (MRI)

Magnetic Separation

Magnetic Levitation (MAGLEV)

Generators

Superconducting Magnetic Energy Storage (SMES)

Particle Accelerators

Aerospace Applications

HTS Film Applications

Josephson Junctions

Superconducting Quantum Interference Device (SQUID)

Microwave Antennas

Radiation Defectors

Computer Applications

9. FUTURE PERSPECTIVES OF HIGH-TC SUPERCONDUCTIVITY

Novel Materials and Applications

The "BACaCu" Oxides and Oxycarbonates

A1-xBxCuO2 Compounds [and others]

Superconducting Oxycarbonates

Some Novel Applications

Superconductivity at Room Temperature

Reality or Dream

Note: Each chapter ends with a section of references.

Subject Categories

BISAC Subject Codes/Headings:
TEC021000
TECHNOLOGY & ENGINEERING / Material Science