The influence of heating temperature on the superconducting properties of silver-gold sheathed Bi-2223 tapes destined for power applications
For power engineering applications using HTS conductors, long-length Ag-Au sheathed Bi-2223 tapes are being developed. By a continuous fabrication process (rolling), tapes with J/sub c/ up to 20 000 A cm/sup -2/ (77 K, 0 T) have fabricated using the powder in tube method. The tapes were heat treated...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 1999-06, Vol.9 (2), p.2533-2536 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | Zhu, W. Willen, D. Watson, D.R. Cave, J. |
| description | For power engineering applications using HTS conductors, long-length Ag-Au sheathed Bi-2223 tapes are being developed. By a continuous fabrication process (rolling), tapes with J/sub c/ up to 20 000 A cm/sup -2/ (77 K, 0 T) have fabricated using the powder in tube method. The tapes were heat treated in the temperature range of 805-835/spl deg/C in an atmosphere of 8% oxygen in nitrogen. The influence of temperature and time on the evolution of the superconducting properties is investigated by means of electric transport current measurements (I/sub c/ and its distribution). Phase development at different processing stages is examined by XRD. The microstructure and phase assemblage at different heating temperatures are characterized with SEM/EDX. The critical current distribution in the tapes is studied by analyzing the second differential of the V-I curves and the effects of cracks and secondary phases are discussed. |
| doi_str_mv | 10.1109/77.785002 |
| format | Article |
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By a continuous fabrication process (rolling), tapes with J/sub c/ up to 20 000 A cm/sup -2/ (77 K, 0 T) have fabricated using the powder in tube method. The tapes were heat treated in the temperature range of 805-835/spl deg/C in an atmosphere of 8% oxygen in nitrogen. The influence of temperature and time on the evolution of the superconducting properties is investigated by means of electric transport current measurements (I/sub c/ and its distribution). Phase development at different processing stages is examined by XRD. The microstructure and phase assemblage at different heating temperatures are characterized with SEM/EDX. 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By a continuous fabrication process (rolling), tapes with J/sub c/ up to 20 000 A cm/sup -2/ (77 K, 0 T) have fabricated using the powder in tube method. The tapes were heat treated in the temperature range of 805-835/spl deg/C in an atmosphere of 8% oxygen in nitrogen. The influence of temperature and time on the evolution of the superconducting properties is investigated by means of electric transport current measurements (I/sub c/ and its distribution). Phase development at different processing stages is examined by XRD. The microstructure and phase assemblage at different heating temperatures are characterized with SEM/EDX. The critical current distribution in the tapes is studied by analyzing the second differential of the V-I curves and the effects of cracks and secondary phases are discussed.</description><subject>Applied sciences</subject><subject>Atmosphere</subject><subject>Bi-based cuprates</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Conductors</subject><subject>Cuprates superconductors (high tc and insulating parent compounds)</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Fabrication</subject><subject>Heating</subject><subject>High temperature superconductors</subject><subject>Materials</subject><subject>Nitrogen</subject><subject>Physics</subject><subject>Powders</subject><subject>Power engineering</subject><subject>Superconducting films</subject><subject>Superconductivity</subject><subject>Temperature distribution</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFkUtPxCAUhRujic-FW1csjImLKhdKoUs1vpJJ3IzrhqEXB9MpFVqN_8EfLXUmunQFOXznnEtulh0DvQCg1aWUF1IJStlWtgdCqJwJENvpTgXkijG-m-3H-EopFKoQe9nXfInEdbYdsTNIvCVL1IPrXsiAqx6DHsaQ5I4MiYtjUozvmtH8IH3wSRgcxskYXfuOIX_xbUPilLLEhly7nKVWMug-UQ3GZEyy9YH0_gMD0X3fOpMqfRcPsx2r24hHm_Mge767nd885LOn-8ebq1luWCWHnBWiXFBBdQUMrFqUdsEaCYw1ldLaKA1YAhplC26okci5BlBcTqBQWPKD7Gydmz7wNqaZ6pWLBttWd-jHWDNVSoAC_gcl5RWXPIHna9AEH2NAW_fBrXT4rIHW02JqKev1YhJ7ugnV0ejWBt0ZF_8MlWAAU_fJGnOI-Pu6yfgGL8iW-A</recordid><startdate>19990601</startdate><enddate>19990601</enddate><creator>Zhu, W.</creator><creator>Willen, D.</creator><creator>Watson, D.R.</creator><creator>Cave, J.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>19990601</creationdate><title>The influence of heating temperature on the superconducting properties of silver-gold sheathed Bi-2223 tapes destined for power applications</title><author>Zhu, W. ; Willen, D. ; Watson, D.R. ; Cave, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c297t-2456b050a9121f8b6fb2d7122d98aac8a1e61ec8f43c0c7e33a11837b6fb58e63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Applied sciences</topic><topic>Atmosphere</topic><topic>Bi-based cuprates</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Conductors</topic><topic>Cuprates superconductors (high tc and insulating parent compounds)</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Exact sciences and technology</topic><topic>Fabrication</topic><topic>Heating</topic><topic>High temperature superconductors</topic><topic>Materials</topic><topic>Nitrogen</topic><topic>Physics</topic><topic>Powders</topic><topic>Power engineering</topic><topic>Superconducting films</topic><topic>Superconductivity</topic><topic>Temperature distribution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, W.</creatorcontrib><creatorcontrib>Willen, D.</creatorcontrib><creatorcontrib>Watson, D.R.</creatorcontrib><creatorcontrib>Cave, J.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on applied superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zhu, W.</au><au>Willen, D.</au><au>Watson, D.R.</au><au>Cave, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of heating temperature on the superconducting properties of silver-gold sheathed Bi-2223 tapes destined for power applications</atitle><jtitle>IEEE transactions on applied superconductivity</jtitle><stitle>TASC</stitle><date>1999-06-01</date><risdate>1999</risdate><volume>9</volume><issue>2</issue><spage>2533</spage><epage>2536</epage><pages>2533-2536</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>For power engineering applications using HTS conductors, long-length Ag-Au sheathed Bi-2223 tapes are being developed. By a continuous fabrication process (rolling), tapes with J/sub c/ up to 20 000 A cm/sup -2/ (77 K, 0 T) have fabricated using the powder in tube method. The tapes were heat treated in the temperature range of 805-835/spl deg/C in an atmosphere of 8% oxygen in nitrogen. The influence of temperature and time on the evolution of the superconducting properties is investigated by means of electric transport current measurements (I/sub c/ and its distribution). Phase development at different processing stages is examined by XRD. The microstructure and phase assemblage at different heating temperatures are characterized with SEM/EDX. The critical current distribution in the tapes is studied by analyzing the second differential of the V-I curves and the effects of cracks and secondary phases are discussed.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/77.785002</doi><tpages>4</tpages></addata></record> |
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| ispartof | IEEE transactions on applied superconductivity, 1999-06, Vol.9 (2), p.2533-2536 |
| issn | 1051-8223 1558-2515 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Atmosphere Bi-based cuprates Condensed matter: electronic structure, electrical, magnetic, and optical properties Conductors Cuprates superconductors (high tc and insulating parent compounds) Electrical engineering. Electrical power engineering Exact sciences and technology Fabrication Heating High temperature superconductors Materials Nitrogen Physics Powders Power engineering Superconducting films Superconductivity Temperature distribution |
| title | The influence of heating temperature on the superconducting properties of silver-gold sheathed Bi-2223 tapes destined for power applications |
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