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Akademický článek
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Autor:
Y Ushigami
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1121:012019
Grain-oriented silicon steel is a soft magnetic material widely used for transformer cores. Magnetic properties are closely related to the sharpness of Goss texture, which is evolved by secondary recrystallization. An overview of our results will be
Publikováno v:
Le Journal de Physique IV. 10:Pr6-73
Characteristic features of microstructure in secondary recrystallized grain oriented silicon steel containing MnS and AIN have been investigated. Since secondary recrystallization is markedly influenced by inhibitors and a small amount of solute elem
Publikováno v:
Textures and Microstructures. 32:137-151
Selective growth of {110}〈001〉 grains in the temperature gradient annealing has been studied in Fe–3%Si alloy. As grains grow, the average deviation angle from the ideal {110}〈001〉 orientation becomes smaller and orientation distribution ch
Publikováno v:
Journal of Materials Engineering and Performance. 4:435-440
Thin-gauge 3% Si-Fe with {110}〈001〉 orientation is a suitable material for magnetic devices in the frequency range from 102 to 105 Hz. Low core loss and high permeability in this frequency range are required. With recently developed, highly grain
Autor:
T. Iwazumi, Y Ushigami, Yoshikazu Tanaka, Hiroshi Kawata, Yoshiharu Sakurai, Nobuhiro Shiotani, Yasuhiro Watanabe, Susumu Nanao, T. Ohata
Publikováno v:
Journal of Physics: Condensed Matter. 6:9469-9475
A total and a magnetic Compton profile of an Fe-5.8 at.% Si single crystal are measured with a momentum resolution of 0.12 atomic units, a much higher resolution than that of any previous works. From these the majority- and minority-spin electron mom
Publikováno v:
Journal of Materials Engineering and Performance. 2:393-397
T he magnetic properties and features of magnetic domain structures of recently developed grain-oriented 15 to 50 μm thick Si-Fe foil with very high permeability were investigated. The reported induc-tion values of these materials were 1.70 to 1.95
Autor:
T. Nakayama, Y. Ushigami
Publikováno v:
Materials Science Forum. :413-418
Publikováno v:
Journal of Materials Engineering. 13:113-118
Grain growth behavior of 3% Si-Fe was observed in situ and precisely analyzed by x-ray topographic techniques. A secondary grain which has higher frequency of coincidence grains in primary recrystallized matrix grows faster in a certain temperature r