2019
DOI: 10.1007/978-3-030-06143-2_4
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Surface Tension of High Temperature Liquids Evaluation with a Thermal Imaging Furnace

Abstract: At high temperature, the reactivity of liquid metals, salts, oxides, etc. often requires a container-less approach for studying composition-sensitive thermodynamic properties, such as component activities and surface tension. This experimental challenge limits access to essential properties, and therefore our understanding of molten systems. Herein, a thermal imaging furnace (TIF) is investigated as a mean of container-less study of molten materials via the formation of pendant drops.In situ optical characteri… Show more

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Cited by 6 publications
(3 citation statements)
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“…The use of the pendant droplet technique in a modified thermal imaging furnace (TX-12000-I-MIT-VPO-PC, Crystal Systems Corp.) to carry out electrochemical measurements has been described before [17,19,20]. Briefly, at the beginning of each experiment, a cylindrical sample was suspended from the upper furnace shaft inside a quartz tube (Technical Glass Products Inc.).…”
Section: Furnace Operationmentioning
confidence: 99%
“…The use of the pendant droplet technique in a modified thermal imaging furnace (TX-12000-I-MIT-VPO-PC, Crystal Systems Corp.) to carry out electrochemical measurements has been described before [17,19,20]. Briefly, at the beginning of each experiment, a cylindrical sample was suspended from the upper furnace shaft inside a quartz tube (Technical Glass Products Inc.).…”
Section: Furnace Operationmentioning
confidence: 99%
“…Pictures from camera recordings along with pixel size are used to calculate the equivalent volume of liquid, following a method detailed in reference 46 . Four pictures per sample are analyzed to average the volume and minimize the possible departure from axi-symmetry.…”
Section: Density Measurementsmentioning
confidence: 99%
“…Therefore, the surface tension value is hampered by the modification of its composition. With a global uncertainty around ± 1 %, the quasi-containerless pendant drop [3] helps preventing this pollution but cannot permit to reach high temperatures, the drop being attached to the cold rod of the same material. The most used method for surface tension measurement is the oscillating drop associated with containerless methods such as the free-fall drop or multiple levitation methods (electromagnetic, electrostatic, aerodynamic, etc.).…”
Section: Introductionmentioning
confidence: 99%