Effects of TiB2 doping on the critical current density of MgB2 wires

HL Xu, Y Feng, Z Xu, G Yan, CS Li, E Mossang… - Physica C …, 2006 - Elsevier
TiB2 doped MgB2 wires, with the component of Mg: B: TiB2= 1: 2: x (x= 0%, 5%, 8% and
10%), were fabricated through the in situ powder-in-tube method. Samples were sintered at …

Improvement of high-field Jc of MgB2 wires by polymethyl-methacrylate doping

GC Park, SM Hwang, CM Lee, JH Choi, J Joo… - … and its applications, 2010 - Elsevier
We applied polymethyl-methacrylate (PMMA) as a new doping material for MgB2 and
fabricated C-doped MgB2 wires by in situ powder-in-tube (PIT) process. With increasing …

Microstructure and high critical current of powder-in-tube MgB2

A Serquis, L Civale, DL Hammon, JY Coulter… - Applied physics …, 2003 - pubs.aip.org
We report dc transport and magnetization measurements of the critical current density, Jc,
and microstructural analyses of MgB2 wires fabricated by the powder-in-tube method PIT …

Effects of MgO impurities and micro-cracks on the critical current density of Ti-sheathed MgB2 wires

G Liang, M Alessandrini, F Yen, M Hanna… - Physica C …, 2007 - Elsevier
Ti-sheathed monocore MgB2 wires with improved magnetic critical current density (Jc) have
been fabricated by in situ powder-in-tube (PIT) method and characterized by magnetization …

Significant improvement in the critical current density of in situ MgB2 by excess Mg addition

R Zeng, L Lu, JL Wang, J Horvat, WX Li… - Superconductor …, 2007 - iopscience.iop.org
We present a detailed analysis of the effects of excess Mg on the lattice parameters, the
critical temperature (T c), the critical current (J c), the irreversibility field (H irr), and the upper …

Preparation and enhancement of critical current density in MgB2 wires and tapes

Y Feng, G Yan, Y Zhao, CF Liu, XH Liu… - Journal of Physics …, 2004 - iopscience.iop.org
We have successfully prepared monofilamentary MgB 2 wires and tapes with different
sheathed metals such as Cu, Ta/Cu and Fe by the powder-in-tube method. The phase …

Fabrication and properties of multifilamentary MgB2 wires by in-situ powder-in-tube process

QY Wang, GF Jiao, GQ Liu, XM Xiong, SC Yan… - … and its applications, 2010 - Elsevier
We have fabricated the long TiC-doped MgB2 wires with 6 filaments by in-situ powder-in-
tube method using Nb as the barrier and copper as the stabilizer. To improve the strength of …

Influence of chemical doping on microstructures and superconducting properties of MgB2 wires and bulk samples

Y Yang - 2016 - rave.ohiolink.edu
Magnesium diboride (MgB2) is a material with a superconducting transition temperature of
39 K. Discovered in 2001, the relatively large coherence length (and associated lack of …

Preparation and transport Jc (B) properties of Fe-clad MgB2 wires

G Yan, BQ Fu, Y Feng, CF Liu, P Ji, XZ Wu… - Physica C …, 2003 - Elsevier
Long dense MgB2 wires were successfully fabricated through the in situ powder-in-tube
method by using steel sheath with low carbon content. Short samples of MgB2/Fe wires …

The influence of HIP on the homogeneity, Jc, Birr, Tc and Fp in MgB2 wires

D Gajda, A Morawski, A Zaleski… - Superconductor …, 2014 - iopscience.iop.org
Unreacted MgB 2 wires were made at Hyper Tech Research, USA by a continuous tube
forming and filling method using mixtures of Mg and B with and without SiC powder …