| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To inexpensively obtain a long-lined MgB<SB>2</SB>superconducting core wire having high characteristics to critical current and magnetic field, by reforming the method for manufacturing the superconducting core wire by means of an existing CTFF method. <P>SOLUTION: The method for manufacturing the MgB<SB>2</SB>superconducting core wire includes steps of: continuously supplying a strip-shaped metallic coating member to form a U-shaped tube; filling the particle of the MgB<SB>2</SB>superconducting material into the inside of the U-shaped coating member; welding the joint of an O-shaped tube after forming the coating member filled by the conducting particle into the O-shaped tube; rolling or drawing the welded tube; and plating a conducting material on the surface of the tube so as to give a feature for a stabilized material. No inserting step of the stabilized material into the tube and forming step for a tubular material are required in this manufacturing method, as plating step of the conducting material can be processed without changing the particle of the superconducting material in quality by welding the joint. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
