Strong no-barrier SS sheathed MgB2 composite wire
Autor: | J. Kováč, W Haessler, Pavol Kováč, J. Schleiter, Alica Rosová, I Hušek, T Melišek, L Kopera |
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Rok vydání: | 2019 |
Předmět: |
010302 applied physics
Materials science Wire drawing Magnesium Diffusion Composite number Energy Engineering and Power Technology chemistry.chemical_element Condensed Matter Physics 01 natural sciences Electronic Optical and Magnetic Materials Stress (mechanics) chemistry 0103 physical sciences Electrical and Electronic Engineering Composite material 010306 general physics Boron Layer (electronics) Current density |
Zdroj: | Physica C: Superconductivity and its Applications. 560:40-44 |
ISSN: | 0921-4534 |
Popis: | No barrier MgB2/SS composite wire was fabricated by the powder-in-tube (PIT) and by the internal magnesium diffusion (IMD) into boron process. Mechanically strong SS sheath keeps the high density of boron powder during could wire drawing, which allows the creation of dense MgB2 layer. Only weak interaction has been found at the MgB2/SS interface after the final heat treatment at 650 °C/30 min. Measured critical currents at external field and at tensile stress have shown high engineering current density and excellent stress tolerance of MgB2/SS sheathed wire made by IMD process. |
Databáze: | OpenAIRE |
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