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high-temperature superconductors

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001294
EISBN: 978-1-62708-170-2
... superconductors and ferroelectric materials. angular distribution ferroelectric materials high-temperature superconductors particulates pulsed-laser deposition pulsed-laser deposition equipment PULSED-LASER DEPOSITION (PLD) is a physical vapor deposition (PVD) technique that has gained popularity...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003155
EISBN: 978-1-62708-199-3
... high-temperature ceramic superconductors. This article provides an overview of basic principles of superconductors and the different classes of superconducting materials and their general characteristics. A15 superconductors high-temperature superconductors niobium-titanium superconductors...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... Abstract Ceramic-matrix composites (CMCs) are being developed for a number of high-temperature and high-performance applications in industrial, aerospace, and energy conservation sectors. This article focuses on processing, fabrication, testing, and characterization methods of CMCs, namely...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003054
EISBN: 978-1-62708-200-6
... reaction sintering and self-propagating, high-temperature synthesis. It also describes several pressure densification methods, including hot isostatic pressing, gas pressure sintering, molten particle deposition, and sol-gel processing. The article concludes with a section on grain growth that discusses...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
..., capacitive, conductive, resistive, sensor, electrooptic, and magnetic functions in a wide variety of electrical and electronic components. Perhaps the most significant development in the area of advanced ceramics has been the discovery of high-temperature superconductors. The development of structural...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004013
EISBN: 978-1-62708-185-6
... small die angle avoids this failure in solder-clad/copper-core composites. Based on Ref 4 Apperley et al. ( Ref 20 ) used direct extrusion to investigate the coextrusion of silver-clad high-temperature superconductors (YBa 2 Cu 3 O 7 , or YBCO, and Bi-Sr-Ca-Cu-O, or BSCCO) in copper cans. These...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.9781627081627
EISBN: 978-1-62708-162-7
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
..., and recently for superconductors. Although the film thickness deposited by the MOD process is in the range of vacuum processing (about 100 to 200 nm, or 1000 to 2000 Å), the high-temperature firing process allows MOD to be classified as a thick film also. In recent years, patterned films generated by...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004008
EISBN: 978-1-62708-185-6
... provide sufficient heat to raise the temperature of the superconductor above T c ; this increase in temperature causes the normally high resistance to return. Commercial superconductors are designed to prevent and/or control the change to the nonsuperconducting state. Copper and aluminum are usually...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005228
EISBN: 978-1-62708-187-0
... particles at solid/liquid interfaces. The physics of the problem is of direct relevance to such areas as solidification of metal-matrix composites, management of casting defects such as inclusions and porosity, development of high-temperature superconductor crystals with superior current-carrying capacity...
Book Chapter

By Donald M. Mattox
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001289
EISBN: 978-1-62708-170-2
... has been used to deposit high-quality high-temperature superconductor films at relatively low substrate temperatures ( Ref 93 ). Laser vaporization creates a large number of ions in the vapor “plume,” and these can be accelerated to the substrate surface. This technique has been used to deposit...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... structural reliability. Once these issues are solved, the engineering ceramics market in the United States, which is currently estimated to be slightly over $500 million, could approach $1 billion within five years. The high-temperature properties of advanced ceramics make them attractive...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001287
EISBN: 978-1-62708-170-2
... reactive species, obtaining the correct composition is often difficult, because the relative fluxes must be carefully controlled and generally the substrate temperature must be high to ensure reaction (for example, TiC from titanium plus carbon). In reactive evaporation the reactive gas is in its natural...
Book Chapter

By S.L. Rohde
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001288
EISBN: 978-1-62708-170-2
... layers in microelectronic circuits Thin-film layers in compact disks Transparent conducting electrodes Thin-film resistors and capacitors Piezoelectric transducers Amorphous optical films in integrated circuits Thin-film lasers Memory devices High-temperature superconductors...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... the silica lattice in the glaze. They are formulated to develop the desired maturing temperature and properties of the glaze, such as thermal expansion and hardness. Decoration and color systems must be chemically and physically compatible with the substrate and the glaze during high-temperature...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004007
EISBN: 978-1-62708-185-6
... hydrostatic pressure includes the densification of porous powder metallurgy products where both cold isostatic pressing (CIP) and hot isostatic pressing (HIP) are utilized. In addition, many superplastic-forming operations conducted at intermediate to high homologous temperatures utilize a backpressure of the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003059
EISBN: 978-1-62708-200-6
..., all three of which exist in high- and low-temperature modifications. The ideal cristobalite structure can be described in terms of the zinc blende lattice. The A atoms of cristobalite occupy both the A and X sites of the zinc blende structure, with one X atom midway between each pair of A...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003056
EISBN: 978-1-62708-200-6
... ceramic shapes are often required that can be made only by joining together less complex shapes. Because the requirements of a ceramic joint can vary from application to application (e.g., hermeticity, ductile strain relief, corrosion resistance, high-temperature strength), the ability to tailor the...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003824
EISBN: 978-1-62708-183-2
..., anodic protection devices for steel bridge structures, and chemical processing equipment. Niobium alloys for rocket and jet engines operate at very high temperatures, exceeding 1093 °C (2000 °F), and these alloys retain fairly high strengths at these temperatures. Some of the alloys used in these...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
.... Lubricants can be classified into two groups, according to temperature: Below 1000 °C (1830 °F): Grease lubrication, such as grease, graphite, molybdenum disulfide, mica, talc, soap, bentonite, asphalt, and plastics (for example, high-temperature polyimides) Above 1000 °C (1830 °F): Glass...