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Ma Yanwei, Wang Zutang. Cold pressing and its effect on microstructure of(Bi-2223)/Ag superconducting tapes[J]. Powder Metallurgy Technology, 1998, 16(1): 21-25.
Citation: Ma Yanwei, Wang Zutang. Cold pressing and its effect on microstructure of(Bi-2223)/Ag superconducting tapes[J]. Powder Metallurgy Technology, 1998, 16(1): 21-25.
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Cold pressing and its effect on microstructure of(Bi-2223)/Ag superconducting tapes

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  • Cold pressing of Ag clad Bi 2223 superconducting tapes was systematically studied.The results showed that cold pressing was effective to fabricate tapes with good texture and high J C values.The optimum technical parameters are sintering thress times at 838℃ for 60h and pressing twice with pressure 2 0 GPa and 2 5 GPa for the first and second compaction respectively.Reduction rate of cold pressing was 1 5×10-4 mm/s.
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