Preparation of tape of silver covered Bi-Pb-Ca-Sr-Cu-O oriented polycrystal superconductor
作者： Ronald Henry Arendt , Mary Frances Garbauskas
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摘要: ABSTRACT A silver tube with one open end is packed a particulate mixture of reactants comprised Bi2CaSr2CU2O8?x, Ca2CuO3, cupric oxide and lead oxide, the plugged silver, re ulting closed swaged to increase density mixture, wire-drawn, uniaxial pressure applied wire orienting Bi2CaSr2Cu2O8?x crystals their c-axis parallel each other forming an initial tape, inttial tape fired convert part Bi2-yPbyCa2Sr2Cu3O10?z producing lntermediate containing dilated product, resulting intermediate remove dilation in pressed produce enveloping sintered body Bi2-yPbyCa2Sr2Cu3O10?z.
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