HOT PRESSING AND ITS DEFORMATION MECHANISM STUDY OF Bi-2223/Ag SUPERCONDUCTING TAPES

›› 1998, Vol. 34 ›› Issue (1): 48-52.

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HOT PRESSING AND ITS DEFORMATION MECHANISM STUDY OF Bi-2223/Ag SUPERCONDUCTING TAPES

Ma Yanwei;Wang Xianjin;Wang Zutang

University of Science and Technology Beijing Qinghua University

Published:1998-01-01

Abstract

Abstract: Experiments of hot pressing of the tapes are carried out. Parameters of pressure, temperature and time were determined. High Jc is achieved at the condition of 750℃/200 Mpa/30 min. It is found that hot pressing caused the core to be more dense, better texture and could avert the formation of cracks effectively. At 77 K and zero field, the maximum Jc value is up to 225 MA/m2.

Key words: Critical current density, Deformation mechanism, Hot pressing, Superconducting tapes

CLC Number:

TG376

Ma Yanwei;Wang Xianjin;Wang Zutang. HOT PRESSING AND ITS DEFORMATION MECHANISM STUDY OF Bi-2223/Ag SUPERCONDUCTING TAPES[J]. , 1998, 34(1): 48-52.

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HOT PRESSING AND ITS DEFORMATION MECHANISM STUDY OF Bi-2223/Ag SUPERCONDUCTING TAPES

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