The Optimal Target Magnetic Field Method for Passive Shimming in MRI

2019 ◽  
Vol 33 (3) ◽  
pp. 867-875 ◽  
Author(s):  
Hongyi Qu ◽  
Chaoqun Niu ◽  
Yaohui Wang ◽  
Qiuliang Wang ◽  
Ling Xia ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Field Method ◽  
Optimal Target ◽  
Passive Shimming

scholarly journals DESIGN OF GROUNDING GRID CONDUCTOR POSITIONING DEVICE ON THE MAGNETIC FIELD METHOD

2018 ◽  
Vol 67 ◽  
pp. 105-117 ◽  
Author(s):  
Xiaokuo Kou ◽  
Manling Dong ◽  
Fan Yang ◽  
Sheng Han ◽  
Ke Zhang ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Field Method ◽  
Grounding Grid ◽  
Positioning Device ◽  
The Magnetic Field

Measurement of the electrical resistivity of liquid 32G2 and 32G1 steels by the rotating magnetic field method

2017 ◽  
Vol 2017 (3) ◽  
pp. 175-178 ◽  
Author(s):  
M. A. Borovykh ◽  
O. A. Chikova ◽  
V. S. Tsepelev ◽  
V. V. V’yukhin
Keyword(s):  
Magnetic Field ◽  
Electrical Resistivity ◽  
Field Method ◽  
Rotating Magnetic Field

Crystal-Oriented Bi4Ti3O12Ceramics Fabricated by High-Magnetic-Field Method

2004 ◽  
Vol 43 (9B) ◽  
pp. 6645-6648 ◽  
Author(s):  
Yutaka Doshida ◽  
Koichiro Tsuzuku ◽  
Hiroshi Kishi ◽  
Atsushi Makiya ◽  
Satoshi Tanaka ◽  
...  
Keyword(s):  
Magnetic Field ◽  
High Magnetic Field ◽  
Field Method

Mathematical Modelling and Numerical Simulation of Dendrite Growth Using Phase-Field Method with a Magnetic Field Effect

2013 ◽  
Vol 14 (2) ◽  
pp. 477-568 ◽  
Author(s):  
A. Rasheed ◽  
A. Belmiloudi
Keyword(s):  
Magnetic Field ◽  
Binary Mixture ◽  
Phase Field ◽  
Dendritic Growth ◽  
Magnetic Field Effect ◽  
Solidification Process ◽  
Field Method ◽  
Coupled Systems ◽  
Phase Field Method ◽  
Nickel Copper

AbstractIn this paper, we present a new model developed in order to analyze phenomena which arise in the solidification of binary mixtures using phase-field method, which incorporates the convection effects and the action of magnetic field. The model consists of flow, concentration, phase field and energy systems which are nonlinear evolutive and coupled systems. It represents the non-isothermal anisotropic solidification process of a binary mixture together with the motion in a melt with the applied magnetic field. To illustrate our model, numerical simulations of the influence of magnetic-field on the evolution of dendrites during the solidification of the binary mixture of Nickel-Copper (Ni-Cu) are developed. The results demonstrate that the dendritic growth under the action of magnetic-field can be simulated by using our model.

scholarly journals Peningkatan Kedalaman Penetrasi Las Stainless Steel 304 dengan Medan Magnet Eksternal pada Pengelasan Autogenous Tungsten Inert Gas Welding

2021 ◽  
Vol 12 (1) ◽  
pp. 87
Author(s):  
Haikal Haikal ◽  
Moch. Chamim ◽  
Deni Andriyansyah ◽  
Apri Wiyono ◽  
Ario Sunar Baskoro ◽  
...  
Keyword(s):  
Magnetic Field ◽  
External Magnetic Field ◽  
Welding Speed ◽  
Weld Line ◽  
Welding Process ◽  
Welding Current ◽  
Field Method ◽  
Inert Gas ◽  
Welding Parameters ◽  
Bead Width

<p class="Abstract">In this study, research on the use of the External Magnetic Field method – Tungsten Inert Gas was done to determine the effect of welding arc compression on the quality of <em>AISI 304 </em>thin plate weld. The welding process was performed using autogenous welds. In this study, an external magnetic field was generated by placing a magnetic solenoid around the <em>TIG</em> welding torch. Enabling this electromagnetic field is done dynamically using a microcontroller. Welding parameters used are welding current <em>100; 105; 110 A</em> and welding speed <em>1.6; 1.8; 2.05 mm/s</em>. The results of this study showed that <em>EMF-TIG</em> welding can produce a more uniform bead width along the weld line with a standard deviation of 0.08 compared with conventional <em>TIG </em>welding of <em>0.12</em>. Increased welding speed of  <em>2.05 mm/s</em> causes no effect on the addition of an external magnetic field to the width of the weld bead. The current parameters are <em>105 A </em>with a speed of <em>1.6; 1.8; 2.05 mm/s</em> resulted in compression of the top bead width by <em>0.87; 0.61; 0.1 mm</em>. The welding parameters with a current of 105 A and welding speed of <em>1.6 mm/s</em> have a larger upper bead compression effect of <em>0.84 mm</em> compared to <em>110 A</em> currents of <em>0.38 mm</em>. Moreover, the <em>D/W</em> ratio obtained under an external magnetic field was higher than without magnetic.</p>

C-axis-Oriented (Sr,Ca)2NaNb5O15Multilayer Piezoelectric Ceramics Fabricated Using High-Magnetic-Field Method

2008 ◽  
Vol 47 (9) ◽  
pp. 7693-7697 ◽  
Author(s):  
Hiroyuki Shimizu ◽  
Yutaka Doshida ◽  
Satoshi Tanaka ◽  
Keizo Uematsu
Keyword(s):  
Magnetic Field ◽  
High Magnetic Field ◽  
Piezoelectric Ceramics ◽  
Field Method
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