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Mechanical Properties of MgB 2 -Based Superconductive Materials
Journal of Superhard Materials ( IF 1.2 ) Pub Date : 2019-06-24 , DOI: 10.3103/s1063457619030092
A. V. Kozyrev

Presented are the results of the investigations of the structure and mechanical properties of consolidated MgB2-based superconducting materials produced under high pressures and temperatures and hot pressing. It is established that the formations of inclusions of higher borides of phases with stoichiometry, close to MgB12, considerably influenced on the level of the density of a critical current and mechanical properties of superconductive materials, in particular, leads to increase of the microhardness. The presence of additions of the Ti and SiC (10%), which positively influences the level of superconducting properties, accompanies by the change of mechanical properties, which are testify to the influence of the additions on the formations of MgB12 inclusions.

中文翻译:

MgB 2基超导材料的力学性能

提出的是在高压,高温和热压下生产的固结MgB 2基超导材料的结构和力学性能的研究结果。已经确定的是,具有接近化学计量的较高硼化物相的夹杂物的形成接近于MgB 12,这极大地影响了临界电流的密度水平和超导材料的机械性能,特别是导致了超硬性的提高。机械性能的变化伴随着Ti和SiC的添加物(10%)的存在,这些添加物对超导性能的水平产生了积极影响,这证明了添加物对MgB 12形成的影响 夹杂物。
更新日期:2019-06-24
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