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Title: Electrical and mechanical properties of superconducting MgB2/Mg metal matrix composites
Authors: Eğilmez, Mehmet
Özyüzer, Lütfi
Tanoğlu, Metin
Okur, Salih
Kamer, Orhan
Öner, Yıldırhan
Keywords: Alternative approach
Composite fabrication
Cylindrical dies
Electrical and mechanical properties
Fracture strengths
Metallic matrix composites
Issue Date: 2006
Publisher: IOP Publishing Ltd.
Source: Eğilmez, M., Özyüzer, L., Tanoğlu, M., Okur, S., Kamer, O., and Öner, Y. (2006). Electrical and mechanical properties of superconducting MgB2/Mg metal matrix composites. Superconductor Science and Technology, 19(4), 359-364. doi:10.1088/0953-2048/19/4/019
Abstract: MgB2/Mg composites were prepared using a metal matrix composite fabrication method that offers the potential to produce superconducting wires as an alternative approach to the powder in tube process. To obtain composites, MgB2 and Mg powders were mixed at different weight fractions and uniaxially pressed in a cylindrical die under the pressure of 0.5 and 1.0GPa for two hours at various temperatures. The x-ray diffraction technique was used for phase identification. Temperature dependence of resistivity and magnetization measurements were carried out to determine superconducting properties. The effects of composite fabrication temperature and the addition of the Mg on the mechanical properties of MgB2/Mg composites were investigated. For this purpose, the compressive mechanical testing was performed to measure the elastic modulus and fracture strength values of the composites. It was found that the relative weight fraction of the Mg and the fabrication conditions of the composites have considerable effect on the superconducting and mechanical properties of the composites.
ISSN: 0953-2048
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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