Processing of single- and multi-domain YBa2Cu3Ox bulk materials for levitation applications by Nd1+xBa2-xCu3Oy seeding
Creators
- 1. Rhine Westfalian Institute of Technology, Aachen (Germany). Foundry Institute
- 2. Argonne National Lab., IL (United States)
Description
Melt processing of YBa2Cu3Ox (Y123) is a well established technique to produce materials for levitation applications. We report our new results on the melt-processing of Y123. To achieve materials with high levitation forces we utilize a seeding technique using Nd1+xBa2-xCu3Oy- seeds (Nd123). Two different kinds of Nd13-seeds, one plate-shaped and the other cube-shaped, were developed and used for this study. The microstructures of the levitators depended strongly on the type of the seeding material used and on the seeding geometry. We were able to produce large single domains as well as materials containing five domains with three different c-axis orientations. Levitation forces up to 8.2 N for samples with a diameter of about 18 mm were found for the multi-domain samples, which is well within the area of the levitation forces measured for the single domain materials
Availability note (English)
MF available from INIS under the Report Number; Also available from OSTI as DE95004615; NTIS; US Govt. Printing Office Dep.Files
26036638.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 29 p.
- Report number
- ANL--MSD/CP-84413
Conference
- Title
- 7. conference on superconductivity and applications.
- Dates
- 7-9 Sep 1994.
- Place
- Buffalo, NY (United States).
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 26036638
- Subject category
- S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- BARIUM OXIDES; CATALYSTS; COPPER OXIDES; FABRICATION; FLYWHEEL ENERGY STORAGE; HIGH-TC SUPERCONDUCTORS; LEVITATION; MAGNETIC BEARINGS; MICROSTRUCTURE; NEODYMIUM OXIDES; SUPERCONDUCTIVITY; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; BEARINGS; CHALCOGENIDES; COPPER COMPOUNDS; CRYSTAL STRUCTURE; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ENERGY STORAGE; NEODYMIUM COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; STORAGE; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS
Optional Information
- Contract/Grant/Project number
- Contract W-31109-ENG-38
- Funding organization
- USDOE, Washington, DC (United States).
- Secondary number(s)
- CONF-940926--4.