Considerable asymmetry of the critical current in a niobium thin strip of plano-convex section

2012 ◽  
Vol 111 (5) ◽  
pp. 053912 ◽  
Author(s):  
G. Carapella ◽  
P. Sabatino ◽  
G. Costabile
Keyword(s):  
Critical Current ◽  
Thin Strip ◽  
Convex Section

Microstructural characterization of YBa2Cu3O7-x thin films formed by metalorganic CVD

1991 ◽  
Vol 49 ◽  
pp. 1080-1081
Author(s):  
P. Lu ◽  
W. Huang ◽  
C.S. Chern ◽  
Y.Q. Li ◽  
J. Zhao ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Film Growth ◽  
Chemical Vapor ◽  
Microstructural Characterization ◽  
Ion Milling ◽  
Conventional Grinding

The YBa2Cu3O7-x thin films formed by metalorganic chemical vapor deposition(MOCVD) have been reported to have excellent superconducting properties including a sharp zero resistance transition temperature (Tc) of 89 K and a high critical current density of 2.3x106 A/cm2 or higher. The origin of the high critical current in the thin film compared to bulk materials is attributed to its structural properties such as orientation, grain boundaries and defects on the scale of the coherent length. In this report, we present microstructural aspects of the thin films deposited on the (100) LaAlO3 substrate, which process the highest critical current density.Details of the thin film growth process have been reported elsewhere. The thin films were examined in both planar and cross-section view by electron microscopy. TEM sample preparation was carried out using conventional grinding, dimpling and ion milling techniques. Special care was taken to avoid exposure of the thin films to water during the preparation processes.

Facet Topography and Dislocation Structure as a Possible Source for Electrical Heterogeneity in [001] TILT Bicrystals of YBa2Cu3O7-δ

1996 ◽  
Vol 54 ◽  
pp. 338-339
Author(s):  
I-Fei Tsu ◽  
D.L. Kaiser ◽  
S.E. Babcock
Keyword(s):  
Grain Boundary ◽  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Electromagnetic Properties ◽  
Length Scale ◽  
Density Values ◽  
Current Densities ◽  
Applied Fields ◽  
A Current

A current theme in the study of the critical current density behavior of YBa2Cu3O7-δ (YBCO) grain boundaries is that their electromagnetic properties are heterogeneous on various length scales ranging from 10s of microns to ˜ 1 Å. Recently, combined electromagnetic and TEM studies on four flux-grown bicrystals have demonstrated a direct correlation between the length scale of the boundaries’ saw-tooth facet configurations and the apparent length scale of the electrical heterogeneity. In that work, enhanced critical current densities are observed at applied fields where the facet period is commensurate with the spacing of the Abrikosov flux vortices which must be pinned if higher critical current density values are recorded. To understand the microstructural origin of the flux pinning, the grain boundary topography and grain boundary dislocation (GBD) network structure of [001] tilt YBCO bicrystals were studied by TEM and HRTEM.

Thin strip casting at Thyssen Stahl, using single or double roller

1990 ◽  
Vol 87 (4) ◽  
pp. 351-356
Author(s):  
D. Senk ◽  
Ch. Schneider ◽  
R. Kopp
Keyword(s):  
Strip Casting ◽  
Thin Strip

CUVERRO WHITE BRONZE

Alloy Digest ◽  
2019 ◽  
Vol 68 (8) ◽  
Keyword(s):  
Physical Properties ◽  
Tensile Properties ◽  
Solid Surface ◽  
Thin Strip ◽  
Bend Strength ◽  
Brass Alloy ◽  
Surface Product

Abstract Olin Brass Alloy CuVerro White Bronze (UNS C71000) is a solid surface product that continuously kills 99.9% harmful bacteria. This datasheet provides information on composition, physical properties, tensile properties, and bend strength. Filing Code: Cu-894. Producer or source: Olin Brass and Somers Thin Strip.

Development of a thick GdBCO and ZrO2-doped GdBCO film with a high critical current on a PLD-CeO2/IBAD-GZO metal substrate

2007 ◽  
Vol 463-465 ◽  
pp. 630-632 ◽  
Author(s):  
A. Kinoshita ◽  
K. Takahashi ◽  
H. Kobayashi ◽  
Y. Yamada ◽  
A. Ibi ◽  
...  
Keyword(s):  
Critical Current ◽  
Metal Substrate

Magnetic field dependence of the critical current anisotropy in normal metal‐YBa2Cu3O7−δthin‐film bilayers

1991 ◽  
Vol 58 (11) ◽  
pp. 1205-1207 ◽  
Author(s):  
R. H. Ono ◽  
L. F. Goodrich ◽  
J. A. Beall ◽  
M. E. Johansson ◽  
C. D. Reintsema
Keyword(s):  
Magnetic Field ◽  
Critical Current ◽  
Field Dependence ◽  
Magnetic Field Dependence ◽  
Normal Metal

The shock-wave application for increasing of a critical current in composite HTSC

2013 ◽  
Vol 10 (4) ◽  
pp. 689-692 ◽  
Author(s):  
Galina Mikhailova ◽  
Landysh Antonova ◽  
Irina Borovitskaya ◽  
Oleg Krokhin ◽  
Alexey Majorov ◽  
...  
Keyword(s):  
Shock Wave ◽  
Critical Current
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