Search Results - "KOSTER, J. N"

Directional Solidification and Melting of Eutectic GaIn by Koster, J. N.

“…Eutectic gallium‐indium is studied in a horizontal Bridgman furnace geometry. Differential temperature gradients are applied to solidify and melt the alloy…”
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Visualization study of melting and solidification in convecting hypoeutectic Ga-In alloy by Derebail, R., Koster, J.N.

“…Natural convection flow visualization experiments during melting and solidification of a hypoeutectic gallium five weight percent indium were performed using a…”
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Numerical simulation of natural convection of gallium in a narrow gap by Derebail, R., Koster, J.N.

“…Natural convection in a low Prandtl number, liquid metal gallium was numerically simulated in a 2 mm narrow gap test cell to benchmark experiments. One…”
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In situ observation of concentrational stratification and solid–liquid interface morphology during Ga–5% In alloy melt solidification by Yin, Hongbin, Koster, Jean N.

“…Segregation of indium during solidification of a Ga–5 wt% In alloy melt was investigated with in situ real-time X-ray density visualization under various…”
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Steady natural convection in a two-layer system of immiscible liquids by Prakash, A., Koster, J.N.

“…Thermal convection in two horizontal layers of immiscible liquids that are differentially heated from the side is studied analytically, numerically and…”
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Double-diffusive convective flow and interface morphology during transient Ga–5% In alloy melting by Yin, Hongbin, Koster, Jean N

“…A directional melting experiment of a rectangular sheet of Ga–5 wt% In in a horizontal temperature gradient is described. Real-time radioscopy is used to…”
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Visualizing convection and solidification in metallic alloys by Koster, J N

“…Industrial production relies mainly on post-processing quality checks to qualify castings for macrosegregation. However, segregation information within the…”
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Experimental study of stability in a layer of a model alloy with a liquid miscibility gap by KOSTER, J. N

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A threshold for onset of natural convection in binary metallic alloys by KOSTER, J. N, DEREBAIL, R

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Radioscopic visualization of indium antimonide growth by the vertical Bridgman-Stockbarger technique by Campbell, T.A., Koster, J.N.

“…A new vertical Bridgman-Stockbarger furnace with the capability for real-time melt/crystal interface visualization is demonstrated. Radioscopic visualization…”
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Steady natural convection in a double layer of immiscible liquids with density inversion by Koster, J.N., Nguyen, K.Y.

“…Natural convection of a layered fluid system composed of two immiscible liquids, silicone oil on top of water, is studied numerically. The flow in the two…”
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Experimental study of natural convection in a model alloy with a miscibility gap by Lünskens, S., Koster, J.N.

“…To solidify a dispersion alloy with a miscibility gap in the liquid state, the two-phase immiscible region may have to be traversed. The composition and…”
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Growth Rate Effects during Indium-Antimony Crystal Growth by Campbell, T. A., Koster, J. N.

“…Local interface velocities are tracked radioscopically in the III‐V semiconductor compound indium‐antimony grown in a vertical Bridgman‐Stockbarger furnace…”
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Compositional Effects on Solidification of Congruently Melting InSb by Campbell, T. A., Koster, J. N.

“…In vertical Bridgman and Czochralski growth of stoichiometric electronic materials such as InSb, GaSb, and GaAs, growth from stoichiometric melts is commonly…”
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Interface Dynamics during Indium Antimonide Crystal Growth by Campbel, T. A., Koster, J. N.

“…Experiments with a stoichiometric InSb compound were first performed at small temperature gradient across the crystal/melt interface of 3 °C/cm and furnace…”
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Radioscopic visualization of isothermal solidification of eutectic Ga-In alloy by DEREBAIL, R, KOSTER, J. N

“…The phase diagram for a gallium-indium alloy shows that the eutectic is formed at a temperature of 15.3 deg C and has a eutectic composition of 14.2 at.% In…”
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NATURAL CONVECTION IN ISOPYCNIC LIQUID by Lünskens, S, Koster, J.N

“…The isopycnic system Cyclohexane/Methanol is studied as a model system of the separation process during natural convection. The system is well suited to…”
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Modeling of liquid encapsulated gallium melts by Campbell, T.A., Koster, J.N.

“…Liquid encapsulation crystal growth from the melt plays an important role in space processing. Use of an encapsulant may avoid evaporation of volatile…”
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Visualization of convective solidification in a vertical layer of Eutectic Ga-In Melt by Koster, J. N., Derebail, R., Grötzbach, A.

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Interferometric investigation of convection in plexiglas boxes by KOSTER, J. N

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