Increased critical current density of in-situ MgB2 wires by Mg deficiency

2015 ◽  
Vol 510 ◽  
pp. 8-12 ◽  
Author(s):  
W. Häßler ◽  
C. Rodig ◽  
C. Damm ◽  
J. Scheiter ◽  
L. Schultz ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Mgb2 Wires ◽  
Mg Deficiency

Critical current density and pinning behaviour of mono-core MgB2 wires prepared by internal magnesium diffusion and in-situ powder-in-tube method

2014 ◽  
Vol 505 ◽  
pp. 39-43 ◽  
Author(s):  
Boris Brunner ◽  
Pavol Kováč ◽  
Michael Reissner ◽  
Imrich Hušek ◽  
Tibor Melišek ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Mgb2 Wires ◽  
Powder In Tube

Effects of ZrH2 doping and sintering temperature on the critical current density of MgB2 wires

2005 ◽  
Vol 426-431 ◽  
pp. 1244-1248
Author(s):  
H.L. Xu ◽  
Y. Feng ◽  
Z. Xu ◽  
C.S. Li ◽  
G. Yan ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Sintering Temperature ◽  
Mgb2 Wires

Comparison of SiC and/or toluene additives to the critical current density of internal Mg diffusion-processed MgB2 wires

2013 ◽  
Vol 484 ◽  
pp. 167-170 ◽  
Author(s):  
S.J. Ye ◽  
M. Song ◽  
A. Matsumoto ◽  
K. Togano ◽  
M. Takeguchi ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Mgb2 Wires

Studies on Development of MgB2 Superconductor with Improved In-Field Critical Current Density

2010 ◽  
Vol 117 ◽  
pp. 63-68 ◽  
Author(s):  
Krishnankutty Vinod ◽  
Syamaprasad Upendran
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Natural Material ◽  
Bulk Superconductor ◽  
Mgb2 Wires ◽  
Heating Method ◽  
Self Heating ◽  
Critical Current Density Jc ◽  
Powder In Tube

The present study focuses on the preparation of good quality MgB2 superconductor in bulk, wire/tape forms and on the improvement of in-field critical current density [JC(H)]. MgB2 bulk superconductor was prepared by a simple Powder-In-Sealed-Tube (PIST) method and MgB2 wires and tapes were prepared by the Powder-In-Tube (PIT) method. A novel electrical self-heating method was introduced for the preparation of Fe sheathed MgB2 wires and tapes. Burned Rice Husk (BRH), an inexpensive natural material is found to be one of the best additives for enhancing the in-field critical current density of MgB2. By selecting suitable combinations of additives a significant enhancement of the critical current density by 1-2 orders of magnitude were achieved for fields > 5 T, at 5-15 K.

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