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In order to improve the critical current density (J c ) of Bi-2223 sintered bulk, silver (Ag) wires of 0.2 and 0.4 mm in diameter were composed into the bulk. The composite was prepared by stacking alternately the calcined powder and Ag wires, and then sintered at 840 o C for 50 h. The results of the scanning electron microscope observation showed that good c-axis oriented and dense...
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