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Spark plasma synthe...
Spark plasma synthesis and sintering of superconducting MgB 2-based materials
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- Prikhna, Tatiana (författare)
- Institute for Superhard Materials, National Academy of Sciences of Ukraine, Kiev, 04074, 2 Avtozavodskaya Street, Ukraine
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- Noudem, Jacques (författare)
- CNRS/CRISMAT, Juin14050 Caen, 6, Bd du Maréchal, France
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- Gawalek, Wolfgang (författare)
- Institut für Photonische Technologien, Jena, D07745, Albert-Einstein-Strasse 9, Germany
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- Mamalis, Athanasios (författare)
- National Technical University of Athens, Athens 15780, Iroon Polytechiou, 9, Greece
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- Soldatov, Alexander (författare)
- Luleå tekniska universitet,Materialvetenskap
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- Savchuk, Yaroslav (författare)
- Institute for Superhard Materials, National Academy of Sciences of Ukraine, Kiev, 04074, 2 Avtozavodskaya Street, Ukraine
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- Moshchil, Viktor (författare)
- Institute for Superhard Materials, National Academy of Sciences of Ukraine, Kiev, 04074, 2 Avtozavodskaya Street, Ukraine
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- Eisterer, Michael (författare)
- Atomic Institute of Austrian Universities, 1020 Vienna, Austria
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- Weber, Harald W. (författare)
- Atomic Institute of Austrian Universities, 1020 Vienna, Austria
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- Dub, Sergey (författare)
- Institute for Superhard Materials, National Academy of Sciences of Ukraine, Kiev, 04074, 2 Avtozavodskaya Street, Ukraine
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- Habisreuther, Tobias (författare)
- Institut für Photonische Technologien, Jena, D07745, Albert-Einstein-Strasse 9, Germany
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- Dellith, Jan (författare)
- Institut für Photonische Technologien, Jena, D07745, Albert-Einstein-Strasse 9, Germany
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- You, Shujie (författare)
- Luleå tekniska universitet,Materialvetenskap
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- Schmidt, Christa (författare)
- Institut für Photonische Technologien, Jena, D07745, Albert-Einstein-Strasse 9, Germany
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- Karau, Friedrich (författare)
- H.C. Starck GmbH, Goslar 38642, Germany
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- Dittrich, Ulrich (författare)
- H.C. Starck GmbH, Goslar 38642, Germany
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- Vajda, István (författare)
- Budapest University of Technology and Economics, 1111 Budapest, Egry Jozsef u. 18, Hungary
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- Sergienko, Nina (författare)
- Institute for Superhard Materials, National Academy of Sciences of Ukraine, Kiev, 04074, 2 Avtozavodskaya Street, Ukraine
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- Sokolovsky, Vladimir (författare)
- Ben-Gurion University of Negev, Beer-Sheva 84105, P.O.B. 653, Israel
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- Litzkendorf, Doris (författare)
- Institut für Photonische Technologien, Jena, D07745, Albert-Einstein-Strasse 9, Germany
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- Chaud, Xavier (författare)
- CNRS/CRETA, 38042 Grenoble CEDEX 9, 25, Avenue des Martyrs, France
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- Sverdun, Vladimir (författare)
- Institute for Superhard Materials, National Academy of Sciences of Ukraine, Kiev, 04074, 2 Avtozavodskaya Street, Ukraine
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- Kuznietsov, Roman (författare)
- Institute for Superhard Materials, National Academy of Sciences of Ukraine, Kiev, 04074, 2 Avtozavodskaya Street, Ukraine
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(creator_code:org_t)
- Trans Tech Publications Inc. 2012
- 2012
- Engelska.
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Ingår i: Applied Electromagnetic Engineering for Magnetic, Superconducting and Nano Materials. - : Trans Tech Publications Inc.. - 9783037854204 ; , s. 42437-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.4...
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Abstract
Ämnesord
Stäng
- Superconducting (SC) and mechanical properties of spark plasma (or SPS) produced MgB 2 -based materials allow their efficient applications in fault current limiters, superconducting electromotors, pumps, generators, magnetic bearings, etc. The synthesized from Mg and B at 50 MPa, 1050 °C for 30 min material has a density of 2.52 g/cm 3, critical current density, j c = 7.1·10 5 A/cm 2 at 10 K , 5.4·10 5 A/cm 2 at 20 K, and 9·10 4 A/cm 2 at 35 K in zero magnetic field; at 20 K its field of irreversibility B irr(20)=7 T and upper critical field B c2(20)=11 T; microhardness H V=10.5 GPa and fracture toughness K 1C =1.7 MPa·m 1/2 at 4.9 N-load. SPS-manufactured in- situ MgB 2- based materials usually have somewhat higher j c than sintered ex-situ. The pressure variations from 16 to 96 MPa during the SPS-process did not affect material SC characteristics significantly; the j c at 10-20 K was slightly higher and the material density was higher by 11%, when pressures of 50-96 MPa were used. The structure of SPS-produced MgB 2 material contains Mg-B-O inclusions and inclusions of higher borides (of compositions near MgB 4, MgB 7, MgB 12, MgB 17, MgB 20), which can be pinning centers. The presence of higher borides in the MgB 2 structure can be revealed by the SEM and Raman spectroscopy.
Ämnesord
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
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- Experimentell fysik
- Experimental Physics
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Prikhna, Tatiana
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Noudem, Jacques
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Gawalek, Wolfgan ...
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Mamalis, Athanas ...
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Soldatov, Alexan ...
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Savchuk, Yarosla ...
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visa fler...
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Moshchil, Viktor
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Eisterer, Michae ...
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Weber, Harald W.
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Dub, Sergey
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Habisreuther, To ...
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Dellith, Jan
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You, Shujie
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Schmidt, Christa
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Karau, Friedrich
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Dittrich, Ulrich
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Vajda, István
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Sergienko, Nina
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Sokolovsky, Vlad ...
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Litzkendorf, Dor ...
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Chaud, Xavier
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Sverdun, Vladimi ...
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Kuznietsov, Roma ...
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