Zobrazeno 1 - 10 of 123 pro vyhledávání: '"Damian P. Hampshire"'
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Akademický článek
Inverted-parabolic and weak strain dependencies on the critical current in practical and oriented REBCO tapes
Autor: Kozo Osamura, Shutaro Machiya, Kentarou Kajiwara, Takuro Kawasaki, Stefanus Harjo, Yifei Zhang, Shinji Fujita, Yasuhiro Iijima, Damian P. Hampshire
Publikováno v: AIP Advances, Vol 9, Iss 7, Pp 075216-075216-11 (2019)
In the commercial coated conductor tapes, the twinned structure of REBCO (REBa2Cu3O7-d, RE = Y and Gd) is characterized as either or orientation based on the tape length direction. In this study, we investigate the effects of the two different twinne
Externí odkaz: https://doaj.org/article/78e27c529d534453ab9336437431d7b3
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3
The Biaxial Strain Dependence of J C of a (RE)BCO Coated Conductor at 77 K in Low Fields
Autor: Jack R. Greenwood, Damian P. Hampshire, Elizabeth Surrey
Publikováno v: IEEE Transactions on Applied Superconductivity. 29:1-5
Recently, we designed and commissioned a “crossboard” sample holder that can apply biaxial strains in the plane of a (RE)BCO coated conductor. It allows us to measure the critical current density ${\boldsymbol{J}_C}$ for arbitrary combinations of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efd8009db37eec7561f0e3910dcb51f8
https://doi.org/10.1109/tasc.2019.2898343
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4
Modeling the Critical Current of Polycrystalline Superconducting Films in High Magnetic Fields
Autor: Alexander I. Blair, Damian P. Hampshire
Publikováno v: IEEE Transactions on Applied Superconductivity
IEEE transactions on applied superconductivity, 2019, Vol.29(5), pp.8001705 [Peer Reviewed Journal]
We have performed simulations using time-dependent Ginzburg–Landau theory on a two-dimensional (2-D) polycrystalline system, where grain boundaries are modeled as narrow regions with a locally reduced critical temperature ( T c ). For the small sys
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de64152cf8559ba1603036deb2d0873d
https://doi.org/10.1109/tasc.2019.2895213
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5
3-D Properties in (RE)BCO Tapes Measured in Fields up to 35T
Autor: Damian P. Hampshire, Mark J. Raine, E. Surrey, Satoshi Awaji, Andrew Smith, Tatsunori Okada
Publikováno v: IEEE transactions on applied superconductivity, 2019, Vol.29(5), pp.6601005 [Peer Reviewed Journal]
IEEE Transactions on Applied Superconductivity
We have measured the temperature and angular dependence of the upper critical field (BC 2 ) for three state of the art (RE)BCO HTS tapes using variable-temperature ac susceptibility measurements in applied fields up to 35 T. The three tapes measured
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::779abba6c91d682cd0781ca688256257
https://doi.org/10.1109/tasc.2019.2895218
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6
Successful production of Solution Blow Spun YBCO+Ag complex ceramics
Autor: Rafael Zadorosny, John H. Durrell, A. L. Pessoa, Devendra Kumar Namburi, Damian P. Hampshire, Mark J. Raine
Publikováno v: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Ceramics international, 2020, Vol.46(15), pp.24097-24101 [Peer Reviewed Journal]
YBCO fabrics composed of nanowires, produced by solution blow spinning (SBS) are so brittle that the Lorentz force produced by induced currents can be strong enough to damage them. On the other hand, it is known that silver addition improves the mech
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::525afa176c24cd533290937579d7551f
http://arxiv.org/abs/2004.07287
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7
Angular Jc measurements at 77 K in-field, on an ISD REBCO coated conductor using a straightforward mechanical scribing technique to reduce tape width
Autor: C W A Gurnham, V Große, Damian P. Hampshire
Publikováno v: Journal of Physics: Conference Series, 2020, Vol.1559, pp.012036 [Peer Reviewed Journal]
E-J traces have been measured on an inclined substrate deposition coated conductor up to 0.7 T as a function of angle at 77K. A large change in J c is seen on reversal of the direction of the magnetic field, associated with different surface barriers
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::445e4db9ffbdf7db0b6c43b5e7260e69
https://doi.org/10.1088/1742-6596/1559/1/012036
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8
Self-Field Effects on JC(B,T) Measurements of Nb–Ti Strands in High Magnetic Fields
Autor: Adrian L. R. Thomas, T. Boutboul, M'hamed Lakrimi, Damian P. Hampshire, Francis J. Ridgeon, Mark J. Raine
Publikováno v: IEEE Transactions on Applied Superconductivity. 28:1-5
We have investigated the applied magnetic field, temperature, and self-field dependence of the critical current density of a Nb–Ti strand produced for the ITER poloidal field conductor. Measurements were made on a standard ITER barrel in magnetic f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f3acacd4070969795ceaee733a5d579
https://doi.org/10.1109/tasc.2018.2808370
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9
Superconducting Properties of Titanium Alloys (Ti-64 and Ti-6242) for Critical Current Barrels
Autor: Francis J. Ridgeon, Mark J. Raine, Damian P. Hampshire, M'hamed Lakrimi, Douglas P. Halliday, Adrian L. R. Thomas
Publikováno v: IEEE transactions on applied superconductivity, 2017, Vol.27(4), pp.4201205 [Peer Reviewed Journal]
We have measured the superconducting properties of the titanium alloy Ti-6Al-4V (Ti-64) as supplied and following two of the heat treatment schedules used for the Nb3Sn strands in the ITER tokamak. The Ti-64 alloy is the standard choice in the superc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17c125b0d3063e6f6c832e78909f2099
https://doi.org/10.1109/tasc.2016.2645378
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10
Weakly-emergent strain-dependent properties of high field superconductors
Autor: Yeekin Tsui, Paul Branch, Kozo Osamura, Damian P. Hampshire
Publikováno v: Scientific reports, 2019, Vol.9, pp.13998 [Peer Reviewed Journal]
Scientific Reports, Vol 9, Iss 1, Pp 1-15 (2019)
Scientific Reports
All superconductors in high field magnets operating above 12 T are brittle and subjected to large strains because of the differential thermal contraction between component parts on cool-down and the large Lorentz forces produced in operation. The con
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e0feddadbc9feaf210dfb2c40984e76
http://dro.dur.ac.uk/29039/2/29039.pdf
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