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美国Hyper Tech公司使用纯Mg粉和B粉按照化学计量比混合,采用连续粉末装管成形工艺(CTFF)制备了单芯Cu/MgB2导线。导线的直径分别
United States Hyper Tech pure Mg powder and B powder stoichiometric mixture, using continuous powder tube forming process (CTFF) prepared single-core Cu / MgB2 wire. The diameter of the wire separately