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Longitudinal Uniformity of Commercial Bi2223 Tapes Characterized by Scanning Hall-Probe Microscopy
Get PDFWe investigated remanent field distributions for
commercial Bi2223 tapes with length of 1 m and high critical
current Ic of 150 A (77 K, self-field) developed by Sumitomo
Electric Industries (SEI) Ltd., by scanning Hall-probe microscopy
(SHM) with an active area of 50 μm × 50 μm. All tapes are
prepared by powder-in-tube process and sintered by
controlled-over pressure (CT-OP) processing at final sintering
stage. A bare tape and a 3-ply reinforced one with stainless tape
laminations were used for measurements. The distribution of
remanent field Brz in perpendicular to broader face of a
magnetized tape was measured using SHM, at a fixed distance of
0.5 mm away from a tape surface. Although absolute Brz values in
a reinforced tape were 10% lower than bare one, the shape of Brz
profile along a lateral direction of a tape was hardly affected by
reinforcement and uniformly distributed along a length of each
tape. Moreover, we cut away 15 cm piece sample from each tape
and measured Brz profile before and after double-sided bending
with a bending diameter of 30 mm. The results indicated that
degradation in both intensity and longitudinal uniformity of Brz
for a reinforced tape is much smaller than for a bare one.journal articl
Study on n-gram language models for topic and out-of-vocabulary words
No full text豊橋技術科学大学博士(工学)thesi
Synthesis of Inorganic-Organic Composite Electrolytes Using Mechanochemical Treatment and Their Application in Fuel Cell
No full text豊橋技術科学大学博士(工学)thesi
Environmental Impacts of Mercury Released from Small-Scale Gold Mining in Cetral Kalimantan, Indonesia
No full text豊橋技術科学大学博士(工学)thesi
