Yazar "Yanmaz, E." için listeleme
-
Complete flux jumping in nano-structured MgB2 superconductors prepared by mechanical alloying
Yanmaz, E.; Savaşkan, B.; Başoğlu, Mehmet; Taylan Koparan, E.; Dilley, N.R.; Grovenor, C. R. M. (ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2009-07-08)High density nano-crystalline MgB2 bulk superconductors with induced pinning centres were prepared from elemental precursors by a sequence of ball milling, heat treatment, and final pressing. The XRD results revealed the ... -
The Effect of Excess Y2O3 Addition on the Mechanical Properties of Melt-Processed YBCO Superconductor
Aydıner, A.; Çakır, B.; Başoğlu, Mehmet; Yanmaz, E. (SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2010-12)In this study, two kinds of melt-processed YBCO samples with Y2O3 addition were fabricated and their microstructures were defined by XRD analysis and polarized light optical microscopy. The mechanical properties of these ... -
The Effect of Y2O3 Buffer Layer on the Magnetic Properties of Melt-Processed YBCO Superconductor
Aydıner, A.; Çakır, B.; Seki, H.; Başoğlu, Mehmet; Wongsatanawarid, A.; Murakami, M.; Yanmaz, E. (SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2011-07)In this study, two kinds of melt-processed YBCO samples (Y1050-1 and Y1050-2) grown on a buffer layer of Y(2)O(3) addition were fabricated. The compacted powders were located on a crucible with Y(2)O(3) powder freely poured ... -
Effects of Sintering Temperature on Microstructure and Magnetic Properties of Nd–Fe–B Magnets
Başoğlu, Mehmet; Yanmaz, E. (SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2013-05)The sintered Nd-Fe-B (neodymium-iron-boron) magnet has been used for many applications in various fields such as acoustics, communications, and automation due to its excellent properties including high remanence, high ... -
Improvement of Coercivity and Curie Temperature of Sintered Nd-Fe-B Permanent Magnets by Addition of Cu and Ni
Basoglu, M.; Yanmaz, E. (Springer, 2014)Sintered Nd-Fe-B magnets are some of the strongest magnetic materials showing magnetic properties. Blending addition is frequently performed in order to improve the magnetic properties of these materials. In this work, ... -
Levitation force at different temperatures and superconducting properties of nano-structured MgB2 superconductors
Yanmaz, E.; Öztürk, K.; Dancer, C.E.J.; Başoğlu, Mehmet; Çelik, Ş.; Grovenor, C. R. M. (ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2010-03-04)The levitation and pinning force properties of nanocrystalline MgB2 superconductors prepared by a mechanical alloying technique with varying milling duration have been investigated. Levitation force measurements under ... -
The Magnetic and Structural Properties of SiC-Doped MgB2 Bulks Prepared by the Standard Ceramic Processing
Dilek, T. Melek; Koparan, E. Taylan; Başoğlu, Mehmet; Yanmaz, E. (SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2011-01)According to general formula MgB2-x SiC (x) (x=0,0.05,0.1,0.2), MgB2 and SiC-doped bulk superconductors were prepared by the standard ceramic processing. The mixtures of the corresponding powders were sintered at 750 degrees ... -
Magnetic Characterization of SiC Doped Bulk MgB2 Superconductor
Bumin, D.; Yanmaz, E.; Başoğlu, Mehmet; Gencer, A. (SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2011-01)Flux pinning is a very significant mechanism to improve critical current density in MgB2 for many applications, such as developing the performance of wires and tapes. In this study, we have done a systematic study of SiC ...