Transverse compressive stress effect in Y-Ba-Cu-O coatings on biaxially textured Ni and Ni-W substrates

N. Cheggour; J. W. Ekin; C. C. Clickner; D. T. Verebelyi; C. L.H. Thieme; R. Feenstra; A. Goyal; M. Paranthaman

doi:10.1109/TASC.2003.812390

Transverse compressive stress effect in Y-Ba-Cu-O coatings on biaxially textured Ni and Ni-W substrates

N. Cheggour, J. W. Ekin, C. C. Clickner, D. T. Verebelyi, C. L.H. Thieme, R. Feenstra, A. Goyal, M. Paranthaman

Nanomaterials Chemistry Group

Research output: Contribution to journal › Conference article › peer-review

31 Scopus citations

Abstract

Electromechanical properties of yttrium-barium-copper-oxide (YBCO) coatings on both pure Ni and Ni-5at.%W alloy rolling-assisted, biaxially-textured substrates (RABiTS) were investigated. The effect of transverse compressive stress on transport critical-current densities (J_c) was measured on samples at 76 K and self magnetic field. Transverse compressive stress can significantly degrade J_c in YBCO deposited on pure Ni RABiTS unless sufficient frictional support is provided to the sample or the substrate is given a work-hardening treatment. On the other hand, results obtained for YBCO on Ni-5at.%W alloy RABiTS show that the tolerance to transverse stress of these conductors is significantly improved. These electromechanical properties are interpreted with scanning-electron micrographs of the microstructure of the samples after electromechanical testing, as well as stress-strain characteristics measured on RABiTS substrates at 76 K. The tensile yield strength, Young's modulus, and proportional limit of elasticity of candidate RABiTS substrate materials are tabulated and compared.

Original language	English
Pages (from-to)	3530-3533
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	13
Issue number	2 III
DOIs	https://doi.org/10.1109/TASC.2003.812390
State	Published - Jun 2003
Event	2002 Applied Superconductivity Conference - Houston, TX, United States Duration: Aug 4 2002 → Aug 9 2002

Funding

Manuscript received August 5, 2002. This work was supported in part by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Office of Power Technologies—Superconductivity Program, and the U.S. Department of Energy, Division of High Energy Physics. Contribution of NIST, not subject to copyright.

Funders	Funder number
U.S. Department of Energy
Office of Energy Efficiency and Renewable Energy
High Energy Physics
Water Power Technologies Office

Keywords

Coated conductors
Critical current density
Mechanical properties
Microstructure
RABiTS
Strain
Stress
Y-Ba-Cu-O

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10.1109/TASC.2003.812390

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title = "Transverse compressive stress effect in Y-Ba-Cu-O coatings on biaxially textured Ni and Ni-W substrates",

abstract = "Electromechanical properties of yttrium-barium-copper-oxide (YBCO) coatings on both pure Ni and Ni-5at.%W alloy rolling-assisted, biaxially-textured substrates (RABiTS) were investigated. The effect of transverse compressive stress on transport critical-current densities (Jc) was measured on samples at 76 K and self magnetic field. Transverse compressive stress can significantly degrade Jc in YBCO deposited on pure Ni RABiTS unless sufficient frictional support is provided to the sample or the substrate is given a work-hardening treatment. On the other hand, results obtained for YBCO on Ni-5at.%W alloy RABiTS show that the tolerance to transverse stress of these conductors is significantly improved. These electromechanical properties are interpreted with scanning-electron micrographs of the microstructure of the samples after electromechanical testing, as well as stress-strain characteristics measured on RABiTS substrates at 76 K. The tensile yield strength, Young's modulus, and proportional limit of elasticity of candidate RABiTS substrate materials are tabulated and compared.",

keywords = "Coated conductors, Critical current density, Mechanical properties, Microstructure, RABiTS, Strain, Stress, Y-Ba-Cu-O",

author = "N. Cheggour and Ekin, {J. W.} and Clickner, {C. C.} and Verebelyi, {D. T.} and Thieme, {C. L.H.} and R. Feenstra and A. Goyal and M. Paranthaman",

year = "2003",

month = jun,

doi = "10.1109/TASC.2003.812390",

language = "English",

volume = "13",

pages = "3530--3533",

journal = "IEEE Transactions on Applied Superconductivity",

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publisher = "Institute of Electrical and Electronics Engineers",

number = "2 III",

note = "2002 Applied Superconductivity Conference ; Conference date: 04-08-2002 Through 09-08-2002",

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TY - JOUR

T1 - Transverse compressive stress effect in Y-Ba-Cu-O coatings on biaxially textured Ni and Ni-W substrates

AU - Cheggour, N.

AU - Ekin, J. W.

AU - Clickner, C. C.

AU - Verebelyi, D. T.

AU - Thieme, C. L.H.

AU - Feenstra, R.

AU - Goyal, A.

AU - Paranthaman, M.

PY - 2003/6

Y1 - 2003/6

N2 - Electromechanical properties of yttrium-barium-copper-oxide (YBCO) coatings on both pure Ni and Ni-5at.%W alloy rolling-assisted, biaxially-textured substrates (RABiTS) were investigated. The effect of transverse compressive stress on transport critical-current densities (Jc) was measured on samples at 76 K and self magnetic field. Transverse compressive stress can significantly degrade Jc in YBCO deposited on pure Ni RABiTS unless sufficient frictional support is provided to the sample or the substrate is given a work-hardening treatment. On the other hand, results obtained for YBCO on Ni-5at.%W alloy RABiTS show that the tolerance to transverse stress of these conductors is significantly improved. These electromechanical properties are interpreted with scanning-electron micrographs of the microstructure of the samples after electromechanical testing, as well as stress-strain characteristics measured on RABiTS substrates at 76 K. The tensile yield strength, Young's modulus, and proportional limit of elasticity of candidate RABiTS substrate materials are tabulated and compared.

AB - Electromechanical properties of yttrium-barium-copper-oxide (YBCO) coatings on both pure Ni and Ni-5at.%W alloy rolling-assisted, biaxially-textured substrates (RABiTS) were investigated. The effect of transverse compressive stress on transport critical-current densities (Jc) was measured on samples at 76 K and self magnetic field. Transverse compressive stress can significantly degrade Jc in YBCO deposited on pure Ni RABiTS unless sufficient frictional support is provided to the sample or the substrate is given a work-hardening treatment. On the other hand, results obtained for YBCO on Ni-5at.%W alloy RABiTS show that the tolerance to transverse stress of these conductors is significantly improved. These electromechanical properties are interpreted with scanning-electron micrographs of the microstructure of the samples after electromechanical testing, as well as stress-strain characteristics measured on RABiTS substrates at 76 K. The tensile yield strength, Young's modulus, and proportional limit of elasticity of candidate RABiTS substrate materials are tabulated and compared.

KW - Coated conductors

KW - Critical current density

KW - Mechanical properties

KW - Microstructure

KW - RABiTS

KW - Strain

KW - Stress

KW - Y-Ba-Cu-O

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U2 - 10.1109/TASC.2003.812390

DO - 10.1109/TASC.2003.812390

M3 - Conference article

AN - SCOPUS:0041974603

SN - 1051-8223

VL - 13

SP - 3530

EP - 3533

JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

IS - 2 III

T2 - 2002 Applied Superconductivity Conference

Y2 - 4 August 2002 through 9 August 2002

ER -

Transverse compressive stress effect in Y-Ba-Cu-O coatings on biaxially textured Ni and Ni-W substrates

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