Method of preparing oxide superconducting wire

Details Method of preparing oxide superconducting wire Method of preparing oxide superconducting wire

1994-01-25

1995-07-18

Wyszomierski, George

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

Process of making wire, tape, cable, coil, or fiber

29599, 148 96, 505500, 505501, H01L 3924

Patent

active

054341302

ABSTRACT:
In a method of preparing an oxide superconducting wire comprising the steps of filling up raw material powder for an oxide superconductor in a metal sheath and rolling the same in this state, frictional force on surfaces of rolls employed for rolling is increased in the rolling step in order to improve denseness of the raw material powder, thereby improving the critical current density of the oxide superconducting wire. In order to increase the frictional force, films having large frictional force are formed on the roll surfaces, a coating material is applied to the roll surfaces during rolling, or the roll surfaces are roughened, for example.

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