Superconducting Glass-ceramics in Bi-Sr-Ca-Cu-O PDF Download
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Author: Yoshihiro Abe
Publisher: World Scientific
ISBN: 9789810232047
Category : Science
Languages : en
Pages : 320
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Book Description
High c oxide superconductors such as Bi(Pb)-Sr-Ca-Cu-O (BSCCO) and Y-Ba-Cu-O (YBCO) systems are usually fabricated by sintering given mixtures of raw materials. Generally, sintering processing takes a longer heating time and the products are mechanically low strength and cannot be formed into complex shapes such as a coil, a curved fine tube or a fine rod. Another way to produce the ceramics is a glass-ceramic process in which the glasses prepared by melt-quenching are reheated for crystallization. A given mixture of raw materials in BSCCO is easily melted and quenched to form a given shape of glass, while that in YBCO is not glassified.This invaluable book has been written by authors from five countries. It presents a unique way to fabricate superconducting ceramics in BSCCO by glass-ceramic processing.
Author: Yoshihiro Abe
Publisher: World Scientific
ISBN: 9789810232047
Category : Science
Languages : en
Pages : 320
Get Book Here
Book Description
High c oxide superconductors such as Bi(Pb)-Sr-Ca-Cu-O (BSCCO) and Y-Ba-Cu-O (YBCO) systems are usually fabricated by sintering given mixtures of raw materials. Generally, sintering processing takes a longer heating time and the products are mechanically low strength and cannot be formed into complex shapes such as a coil, a curved fine tube or a fine rod. Another way to produce the ceramics is a glass-ceramic process in which the glasses prepared by melt-quenching are reheated for crystallization. A given mixture of raw materials in BSCCO is easily melted and quenched to form a given shape of glass, while that in YBCO is not glassified.This invaluable book has been written by authors from five countries. It presents a unique way to fabricate superconducting ceramics in BSCCO by glass-ceramic processing.
Author: Idris Matali
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 54
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Book Description
Author: Idris Matali
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722258627
Category :
Languages : en
Pages : 32
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Book Description
A number of compositions of ceramic oxide high T(sub c) superconductors were evaluated for their glass formation ability by means of rapid thermal analysis during quenching, optical and electron microscopy of the quenched samples, and with subsequent DSC measurements. Correlations between experimental measurements and the methodical composition changes identified the formulations of superconductors that can easily form glass. The superconducting material was first formed as a glass, then with subsequent devitrification it was formed into bulk crystalline superconductor by a series of processing methods. Kaukler, William F. Unspecified Center NAG8-152...
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722464851
Category :
Languages : en
Pages : 24
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Book Description
A number of promising glass forming compositions of high Tc superconducting Ba-Sr-Ca-Cu-O (BSCCO) materials were evaluated for their glass-ceramic crystallization ability. The BSCCO ceramics belonging to the class of superconductors in the Ba-Sr-Ca-Cu-O system were the focus of this study. By first forming the superconducting material as a glass, subsequent devitrification into the crystalline (glass-ceramic) superconductor can be performed by thermal processing of the glass preform body. Glass formability and phase formation were determined by a variety of methods in another related study. This study focused on the nucleation and crystallization of the materials. Thermal analysis during rapid cooling aids in the evaluation of nucleation and crystallization behavior. Melt viscosity is used to predict glass formation ability. Ethridge, E. C. and Kaukler, W. F. Marshall Space Flight Center ...
Author: Gustaaf Tendeloo
Publisher: Springer Science & Business Media
ISBN: 9780792353454
Category : Science
Languages : en
Pages : 328
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Book Description
Research into high-Tc materials demands the co-operation of physicists, chemists and materials scientists to discover the best solutions to the most important challenges presented by the field. In the fifth annual Workshop on High Temperature Superconductors and Novel Inorganic Materials Engineering, the topic is extended beyond high-Tc superconductivity to include other advanced oxide materials, mainly colossal magnetoresistance materials, which are closely related to the ceramic superconductors. This book covers the synthesis, characterisation (both structural and physical) and engineering of this class of materials.
Author: A.G. Mamalis
Publisher: CRC Press
ISBN: 0429524668
Category : Science
Languages : en
Pages : 256
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Book Description
The discovery of high-temperature superconductivity [1986] by Bendnorz and Muller 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
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722829056
Category :
Languages : en
Pages : 24
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Book Description
Bi sub 1.5 SrCaCu sub 2 O sub x has been prepared in the glassy state by rapid quenching of the melt. The kinetics of crystallization of various phases in the glass have been evaluated by a variable heating rate differential scanning calorimetry method. The formation various phases on thermal treatments of the glass has been investigated by powder X-ray diffraction and electrical resistivity measurements. Heating at 450 C formed Bi sub 2 Sr sub 2 CuO sub 6, which disappeared on further heating at 765 C, where Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 formed. Prolonged heating at 845 C resulted in the formation of a small amount of a phase with T sub c onset of approx. 108 K, believed to be Bi sub 2 Sr sub 2 Ca sub 2 Cu sub 3 O sub 10. This specimen showed zero resistivity at 54 K. The glass ceramic approach could offer several advantages in the fabrication of the high-T sub c superconductors in desired practical shapes such as continuous fibers, wires, tapes, etc. Bansal, Narottam P. and Deguire, Mark R. Unspecified Center NCC3-133; RTOP 307-51-00...
Author: Ian J. McColm
Publisher: Springer Science & Business Media
ISBN: 9400709161
Category : Technology & Engineering
Languages : en
Pages : 548
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Book Description
The third edition of the Dictionary of Ceramic Science and Engineering builds on the heavily revised 2nd edition which, in turn, expanded the original edition by some 4000 entries to include new fabrication, testing, materials, and vocabulary. The proven basis of the first two editions has been retained but new words and phrases have been added from the rapidly advancing electronic, nanoparticle and modern materials engineering fields. Additionally, all measurements in SI units are given to facilitate communication among the many sub-disciplines touched on by ceramics, ensuring that this publication remains the field's standard reference work for years to come. This extended edition of the Dictionary of Ceramic Science and Engineering ably follows its predecessors as an authoritative resource for students, researchers and professionals dealing with the processing of Materials.
