The viscosities of liquid uranium, gold and lead

Ofte, D.

doi:10.1016/0022-3115(67)90105-5

Cited by 51 publications

(35 citation statements)

References 5 publications

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“…Dynamic viscosity (logarithm of viscosity η in poise) of selected materials versus temperature. (a) Viscosity for silica, silicon, and gold . The viscosity for silicon and gold are measured above their melting temperatures.…”

Section: Materials Constraints and Fiber Drawingmentioning

confidence: 99%

“…(b) Same as (a), showing the viscosity for silica, soda‐lime‐silica glass, fluoride glass, tellurite glass, chalcogenide glass ( A s 2 S 3 ), Teflon ® PTFE ‐6 polymer, polypropylene ( PP ) polymer, and amorphous selenium . (c) Same as (a), showing the viscosity for silicon, germanium, indium antimonide, tellurium, indium arsenide, indium, tin, and gold . (d) Linear thermal expansion coefficient ( TEC ) at room temperature for selected materials plotted against the melting temperature ( T m ) for metals and semiconductors (solid stars) and the glass transition temperature ( T g ) for the amorphous materials (solid dots).…”

Section: Materials Constraints and Fiber Drawingmentioning

confidence: 99%

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Multimaterial Fibers

Tao

Stolyarov

Abouraddy

2012

Int J of Appl Glass Sci

146

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Recent progress in combining multiple materials with disparate optical, electronic, and thermomechanical properties monolithically in the same fiber drawn from a preform is paving the way to a new generation of multimaterial fibers endowed with unique functionalities delivered at optical fiber length scales and costs. A wide range of unique devices have been developed to date in fiber form‐factor using this strategy, such as transversely emitting fiber lasers, fibers that detect light, heat, or sound impinging on their external surfaces, and fibers containing crystalline semiconductor cores. Incorporating such fibers in future fabrics will lead to textiles with sophisticated functionality. Additionally, long‐standing issues in traditional applications of optical fibers have been addressed by multimaterial fibers, such as photonic bandgap guidance in hollow‐core all‐solid‐cladding fibers and imparting mechanical robustness to soft‐glass mid‐infrared fibers. We review recent progress in this nascent but rapidly growing field and highlight areas where growth is anticipated. Furthermore, the insights emerging from this research are pointing to new ways that the fiber drawing process itself may be leveraged as a fabrication methodology. In particular, we describe recent efforts directed at appropriating multimaterial‐fiber drawing for chemical synthesis and the fabrication of nanostructures such as nanowire arrays and structured nanoparticles.

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Section: Materials Constraints and Fiber Drawingmentioning

confidence: 99%

Section: Materials Constraints and Fiber Drawingmentioning

confidence: 99%

Multimaterial Fibers

Tao

Stolyarov

Abouraddy

2012

Int J of Appl Glass Sci

146

View full text Add to dashboard Cite

show abstract

“…This expression has found broad application to a variety of processes from diffusion to the viscosity of liquid metals [42] such as U, Au, and Pb, as well as chemical rates.…”

Section: Transport Propertiesmentioning

confidence: 99%

Quantum molecular dynamics simulations of transport properties in liquid and dense-plasma plutonium

et al. 2011

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We have calculated the viscosity and self-diffusion coefficients of plutonium in the liquid phase using quantum molecular dynamics (QMD) and in the dense-plasma phase using orbital-free molecular dynamics (OFMD), as well as in the intermediate warm dense matter regime with both methods. Our liquid metal results for viscosity are about 40% lower than measured experimentally, whereas a previous calculation using an empirical interatomic potential (modified embedded atom [LANL publication number: LA-UR-10-07728]

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“…At a filling temperature of 1100 − 1150 • C the viscosity of gold is η Au ≈ 4.5 mPa s, 16 which is almost as low as water at room temperature. The last force in the equation is due to the pressure difference between the outside and the inside of the capillary.…”

Section: Theorymentioning

confidence: 99%

Selective filling of metals into photonic crystal fibers

et al. 2011

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In this paper we present a method for the selective blocking and subsequent filling of metals into photonic crystal fibers. We derive a model which can predict the necessary duration of the filling process. With a melt and pump procedure we obtain single micron sized metal wires adjacent to the PCF core with aspect ratios of about 10 5 . We will present a semi-analytical solution of the dispersion relation of a cylindrical metal wire in a dielectric and discuss the results with respect to surface plasmon polaritons. By comparision with finite element simulations of an unfilled photonic crystal fiber we will show that a coupling between a core mode and surface mode is possible at specific phase matching wavelengths. Furthermore, measurements of transmission spectra will be presented to confirm the mode coupling between the fundamental core mode and the surface plasmon polariton of order m = 3.

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The viscosities of liquid uranium, gold and lead

Cited by 51 publications

References 5 publications

Multimaterial Fibers

Multimaterial Fibers

Quantum molecular dynamics simulations of transport properties in liquid and dense-plasma plutonium

Selective filling of metals into photonic crystal fibers

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