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Structure-dependent grain boundary deformation and fracture at high temperatures

✍ Scribed by Tadao Watanabe; Sadahiro Tsurekawa; Shigeaki Kobayashi; Shin-ichi Yamaura

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
265 KB
Volume
410-411
Category
Article
ISSN
0921-5093

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Frequency dependence of AC susceptibilit
Frequency dependence of AC susceptibility in high-temperature superconductors: Flux creep and critical state at grain boundaries
✍ K.-H. MΓΌller πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 438 KB

The loss peak of the AC susceptibility in polycrystalline high-To superconductors shifts slightly to higher temperatures with increasing frequency of the applied AC magnetic field. It is shown that a flux creep term, added to the current density term in the critical state equation, can account for t