The topic of this paper is the parts modern MR devices, which contain magnet coils. scanner magnets are made four types electromagnetic coils: 1) Main magnet, superconducting material. main an (Magnetic Resonance Imaging) creates a strong and uniform magnetic field around patient being scanned. This typically in range 0.5 to 3 Tesla used align moments hydrogen atoms patient's body. superconduct...

In this study, AA7075/SiC/TiB2 closed-cell aluminium hybrid composite foams (AHCFs) with different densities were fabricated by top-loaded bottom-pouring stir casting technique. This technique uses oyster-shell powders (CaCO3 2.5 wt% of 60 μm size) as blowing agents and no viscosity-enhancing ingredient. The silicon carbide (SiC 0, 3, 6, 9, 12 25 μm) titanium diboride (TiB2 3 particle size 15 a...

The anisotropic field dependence of the Sommerfeld coefficient gamma has been measured down to B-->0 by combining specific heat and Hall probe magnetization measurements in MgB2 single crystals. We find that gamma(B,theta) is the sum of two contributions arising from the sigma and pi band, respectively. We show that gammasigma(B,theta)=B/Bc2(theta) where Bc2(theta)=Bc2ab/sqrt[sin2theta+Gamma2co...

M. Amiriyan, S. Ramesh*, R. Tolouei, W.J. Kelvin Chew, J. Purbolaksono, M.A. Hassan, M. Hamdi and W.D. Teng Faculty of Science and Engineering, Laval University, Quebec, G1V 0A6 Canada Centre of Advanced Manufacturing & Material Processing (AMMP), Department of Engineering Design and Manufacture, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia Ceramics Technology Grou...

The discovery of superconductivity in magnesium diboride (MgB2: 39 K, in January 2001) (Nagamatsu et al., 2001) has generated enormous interest and excitement in the superconductivity community and the world in general, but especially among researchers into superconductivity in non-oxide and boron related compounds.

Abstract In the current work, magnesium (AZ91D) matrix composites reinforced with different weight fractions (5, 10, and 15%) of titanium diboride (TiB 2 ) 1.5 wt% carbon nanotubes (CNTs) are fabricated using stir casting. The improvements in mechanical, wear corrosion resistance properties evaluated as per ASTM guidelines. synergistic strengthening effect TiB CNT is also studied. It was discov...

Development of aluminium composites by stircasting technique is an effective method for fabrication better quality MMCs. Stircasting one the most commonly accepted techniques. In this research work, Al6061 / TiB2+CeO2 hybrid MMCs have been fabricated with varying wt. % TiB2 (2.5%, 5%, 7.5% and 10%) particulates constant 5% CeO2 particulates. The monolithic alloy composite were hot-rolled at a t...

The magnetic behavior of iron sheathed magnesium diboride (MgB2) wires was investigated. Global magnetization measurements have shown unusual critical current density variations compare to a superconductor with no magnetic environment. Local quantitative studies, through MO images, are linked to these global magnetization measurements in order to better understand the observed results. It is sh...