Preparation of dispersion-hardened single- and multifilamentary Bi2Sr2CaCu2Ox tapes and wires

J. Kessler; S. Boutemy; S. Chen; D. Dimapilis; V. Miller; W. Wei; J. Schwartz

doi:10.1109/77.620872

Preparation of dispersion-hardened single- and multifilamentary Bi₂Sr₂CaCu₂O_x tapes and wires

J. Kessler, S. Boutemy, S. Chen, D. Dimapilis, V. Miller, W. Wei, J. Schwartz

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The impact of oxide dispersion-hardening on its mechanical behavior of powder-in-tube Bi₂Sr₂CaCu₂O_x tapes is investigated. Single-core tapes and multifilamentary tapes with 19 filaments were prepared from commercially available AgMg tubes and powder. The cold-working process was monitored by observing sample microstructures at intermediate stages. The deformation process was optimized to eliminate bridging in the multifilamentary conductor. Short samples were heat-treated and characterized by critical current measurements (I_c) at 4.2 K and 0 T. The maximum filament critical current density (J_c) obtained was 115,000 A/cm² corresponding to an engineering critical current density (J_e) of 22,000 A/cm².

Original language	English (US)
Pages (from-to)	1560-1563
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	7
Issue number	2 PART 2
DOIs	https://doi.org/10.1109/77.620872
State	Published - 1997

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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abstract = "The impact of oxide dispersion-hardening on its mechanical behavior of powder-in-tube Bi2Sr2CaCu2Ox tapes is investigated. Single-core tapes and multifilamentary tapes with 19 filaments were prepared from commercially available AgMg tubes and powder. The cold-working process was monitored by observing sample microstructures at intermediate stages. The deformation process was optimized to eliminate bridging in the multifilamentary conductor. Short samples were heat-treated and characterized by critical current measurements (Ic) at 4.2 K and 0 T. The maximum filament critical current density (Jc) obtained was 115,000 A/cm2 corresponding to an engineering critical current density (Je) of 22,000 A/cm2.",

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T1 - Preparation of dispersion-hardened single- and multifilamentary Bi2Sr2CaCu2Ox tapes and wires

AU - Kessler, J.

AU - Boutemy, S.

AU - Chen, S.

AU - Dimapilis, D.

AU - Miller, V.

AU - Wei, W.

AU - Schwartz, J.

PY - 1997

Y1 - 1997

N2 - The impact of oxide dispersion-hardening on its mechanical behavior of powder-in-tube Bi2Sr2CaCu2Ox tapes is investigated. Single-core tapes and multifilamentary tapes with 19 filaments were prepared from commercially available AgMg tubes and powder. The cold-working process was monitored by observing sample microstructures at intermediate stages. The deformation process was optimized to eliminate bridging in the multifilamentary conductor. Short samples were heat-treated and characterized by critical current measurements (Ic) at 4.2 K and 0 T. The maximum filament critical current density (Jc) obtained was 115,000 A/cm2 corresponding to an engineering critical current density (Je) of 22,000 A/cm2.

AB - The impact of oxide dispersion-hardening on its mechanical behavior of powder-in-tube Bi2Sr2CaCu2Ox tapes is investigated. Single-core tapes and multifilamentary tapes with 19 filaments were prepared from commercially available AgMg tubes and powder. The cold-working process was monitored by observing sample microstructures at intermediate stages. The deformation process was optimized to eliminate bridging in the multifilamentary conductor. Short samples were heat-treated and characterized by critical current measurements (Ic) at 4.2 K and 0 T. The maximum filament critical current density (Jc) obtained was 115,000 A/cm2 corresponding to an engineering critical current density (Je) of 22,000 A/cm2.

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Preparation of dispersion-hardened single- and multifilamentary Bi₂Sr₂CaCu₂O_x tapes and wires

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