scholarly journals Electric field nematic alignment of fluorohectorite clay particles in oligomeric matrices

2013 ◽  
Vol 28 (10) ◽  
pp. 1349-1355 ◽  
Author(s):  
Zbigniew Rozynek ◽  
René C. Castberg ◽  
Alexander Mikkelsen ◽  
Jon Otto Fossum
Keyword(s):  
Electric Field ◽  
Clay Particles ◽  
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Abstract

scholarly journals Nanoscale magnetization reversal by electric field-induced ion migration

2018 ◽  
Vol 9 (01) ◽  
pp. 14-26 ◽  
Author(s):  
Qilai Chen ◽  
Gang Liu ◽  
Shuang Gao ◽  
Xiaohui Yi ◽  
Wuhong Xue ◽  
...  
Keyword(s):  
Electric Field ◽  
Magnetization Reversal ◽  
Ion Migration ◽  
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Abstract

Physicochemical and Electro-Rheological Characterization of Kaolinite / CMS / Silicone Oil Fluid

2010 ◽  
Vol 446 ◽  
pp. 33-41
Author(s):  
Thomas Reiss ◽  
Saoussen Laribi ◽  
Jean-Marie Fleureau ◽  
Jean Francois Tassin
Keyword(s):  
Electric Field ◽  
Yield Stress ◽  
Applied Electric Field ◽  
Silicone Oil ◽  
Rheological Behaviour ◽  
Rheological Characterization ◽  
Clay Particles ◽  
Observed Behaviour ◽  
Composite Nature

The aim of this study is to elaborate electro-rheological fluids based on kaolinite. the scientific characterization made it possible the identification of the composite nature and the checking of the intercalation of the polymer among the clay particles The rheological behaviour of the fluid depends on the electric field. A yield stress of the suspensions is observed, which increases with the applied electric field. An interpretation based on the different modes of association between the clay particles is proposed to account qualitatively for the observed behaviour.

Electrical strengthening of clays by dielectrophoresis

1994 ◽  
Vol 31 (2) ◽  
pp. 192-203 ◽  
Author(s):  
K.Y. Lo ◽  
J.Q. Shang ◽  
I.I. Inculet
Keyword(s):  
Shear Strength ◽  
Electric Field ◽  
Soil Improvement ◽  
Nonuniform Electric Field ◽  
Experimental Program ◽  
Effective Polarizability ◽  
Clay Particles ◽  
Shearing Resistance ◽  
Preconsolidation Pressure ◽  
Sensitive Clay

The theory of dielectrophoresis in clay–water–electrolyte systems is developed in this paper. Dielectrophoresis is the motion of particles generated by a nonuniform electric field. The dielectrophoretic forces on clay particles are determined by the effective polarizability and configuration of the nonuniform electric field. In most clay–water–electrolyte systems, including natural clays, the dielectrophoretic forces are directed towards the lower field intensity, determined by the negative polarizability. In the experimental program, an ac voltage of 60 Hz and 15 kV was applied through insulated electrodes on block samples of Leda clay for 28 days. The relationship between the soil undrained shear strength after treatment and the distribution of electric field provides direct experimental support for the theory developed. Under three electrical-field configurations, the overall shear strengths increased up to 44.0%, concurrent with significant reduction of sensitivity. The improvement of soil properties was also reflected as increases of preconsolidation pressure and shearing resistance in terms of effective stresses. The electrochemical reactions associated with electric current were minimized by insulation to the electrodes. Key words : dielectrophoresis, electrokinetics, soil improvement, sensitive clay, shear strength.

Evidence of electric-field-accelerated growth of tin whiskers

2015 ◽  
Vol 5 (4) ◽  
pp. 619-622 ◽  
Author(s):  
Anthony C. Vasko ◽  
Corey R. Grice ◽  
Andrew D. Kostic ◽  
Victor G. Karpov
Keyword(s):  
Electric Field ◽  
Tin Whiskers ◽  
Accelerated Growth ◽  
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Abstract

An attempt to detect an Electric Moment in a Light Quantum

1930 ◽  
Vol 26 (1) ◽  
pp. 117-121 ◽  
Author(s):  
R. J. Clark ◽  
W. H. Watson
Keyword(s):  
Electric Field ◽  
Strong Electric Field ◽  
Wave Length ◽  
Electric Vector ◽  
Uniform Electric Field ◽  
Light Quantum ◽  
Parallel Beam ◽  
Electric Moment ◽  
Set Up ◽  
Image Position

If a light quantum has an electric moment, we should expect its axis to coincide with the direction of the electric vector, and therefore to be perpendicular to the plane of polarisation. Now an electric doublet of moment μ on entering a uniform electric field E with its doubletaxis parallel or antiparallel to the field will have its energy changed by an amount ∓ μE. For a light quantum this is equivalent to a change in wave-lengthwhen in the field. The method adopted to detect this change was to set up a grating with a strong electric field normal to its surface, and then have a plane polarised parallel beam of light fall on the ruled surface with the electric vector parallel to the direction of the field. The spectra formed near the normal to the grating were then examined both in the presence and absence of the field.

scholarly journals The effect of solvent and electric field on the size distribution of iron oxide microdots: Exploitation of self-assembly strategies for photoelectrodes

2011 ◽  
Vol 26 (2) ◽  
pp. 254-261 ◽  
Author(s):  
Rita Toth ◽  
Mateusz Schabikowski ◽  
Jakob Heier ◽  
Artur Braun ◽  
Dariusz Kata ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Electric Field ◽  
Size Distribution ◽  
Self Assembly ◽  
Effect Of Solvent ◽  
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Abstract

A note on the semi-Lagrangian formulation of the Vlasov equation

1970 ◽  
Vol 4 (1) ◽  
pp. 143-144
Author(s):  
G. J. Lewak
Keyword(s):  
Magnetic Field ◽  
Distribution Function ◽  
Electric Field ◽  
Vlasov Equation ◽  
Electron Distribution ◽  
Electron Distribution Function ◽  
Lagrangian Formulation ◽  
Number Density ◽  
Density Of Electrons ◽  
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In a previous paper [Lewak (1969), see also Pflrsch (1966) for related treatment], it was shown that the Vlasov equation in the Semi-Lagrangian (S.L.) formulation, may be written in a form resembling the fluid equations.plus Maxwell's equations with the source terms given bywhere n is the determinant of the tensor Tij = ∂gi/∂ζj, and N is the constant mean number density of electrons. The averaging notation < > here is defined bywhere f(σ) is the electron distribution function to be specified. The equations assume for simplicity a uniform fixed ion background, although this is not a necessary restriction and equations (1) and (2) need only an obvious modification to account for ions. The force fields in (1) are related to the electric field E and magnetic field B in the plasma by .

Microstructure evolution and mechanical properties of Zr–45Ti–5Al–3V alloy processed by electric field-assisted extrusion

2016 ◽  
Vol 31 (22) ◽  
pp. 3580-3587
Author(s):  
Chunxiang Zhang ◽  
Limin Wang ◽  
Riping Liu ◽  
Bojun Zhao ◽  
Junting Luo
Keyword(s):  
Mechanical Properties ◽  
Electric Field ◽  
Microstructure Evolution ◽  
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Abstract

Externally directed assembly of disk-shaped zeolite particles by an electric field

2011 ◽  
Vol 26 (2) ◽  
pp. 215-222 ◽  
Author(s):  
Manish Mittal ◽  
Raul F. Lobo ◽  
Eric M. Furst
Keyword(s):  
Electric Field ◽  
Directed Assembly ◽  
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Abstract

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