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Commerical Process of Bi-based 2212 Single Phase Superconducting Precursor Powder

机译：双基2212单相超导前体粉末的商业化生产

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摘要

Laying emphasis on the preparation of Bi-based 2212 single phase superconducting power, some technological parameters, which effect the single phase degree and uniformity of powder, such as preabacking, sintering and heat treatment were investigated and discussed. Ensuring the power T_c at 83～85 K, the crucial impurity carbon was reduced to 0.03/100 and less. Adopting uncommon technique made the powde4r size to micrometer level, meanwhile the superconducting performance of the powder was unchanged. The fine superconducting powder was characterized. This process of Bi-based 2212 superconducting powder was successful.
机译：重点研究了Bi基2212单相超导电源的制备，研究并讨论了影响粉末单相度和均匀度的一些工艺参数，如预背胶，烧结，热处理等。确保功率T_c在83〜85 K时，关键杂质碳降至0.03 / 100以下。采用罕见的技术使粉末的尺寸达到微米级，同时粉末的超导性能没有改变。对细的超导粉末进行了表征。 Bi基2212超导粉末的这一过程是成功的。

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