Levitation of Iridium and Liquid Mercury by Ultrasound

W. J. Xie; C. D. Cao; Y. J. Lü; B. Wei

doi:10.1103/PhysRevLett.89.104304

Levitation of Iridium and Liquid Mercury by Ultrasound

W. J. Xie
, C. D. Cao
, Y. J. Lü
, B. Wei

School of Physical Science and Technology

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

148 Scopus citations

Abstract

Single-axis acoustic levitation of the heaviest solid (iridium, [Formula presented]) and liquid (mercury, [Formula presented] on the Earth is achieved by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the levitator. The acoustically levitated Pb-Sn eutectic alloy melt ([Formula presented]) is highly undercooled by up to 38 K, which results in a microstructural transition of “lamellae—broken lamellae—dendrites.” The drastic enhancement of levitation capability indicates a broader application range of single-axis acoustic levitation.

Original language	English
Journal	Physical Review Letters
Volume	89
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.89.104304
State	Published - 2002

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abstract = "Single-axis acoustic levitation of the heaviest solid (iridium, [Formula presented]) and liquid (mercury, [Formula presented] on the Earth is achieved by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the levitator. The acoustically levitated Pb-Sn eutectic alloy melt ([Formula presented]) is highly undercooled by up to 38 K, which results in a microstructural transition of “lamellae—broken lamellae—dendrites.” The drastic enhancement of levitation capability indicates a broader application range of single-axis acoustic levitation.",

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AU - Cao, C. D.

AU - Lü, Y. J.

AU - Wei, B.

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AB - Single-axis acoustic levitation of the heaviest solid (iridium, [Formula presented]) and liquid (mercury, [Formula presented] on the Earth is achieved by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the levitator. The acoustically levitated Pb-Sn eutectic alloy melt ([Formula presented]) is highly undercooled by up to 38 K, which results in a microstructural transition of “lamellae—broken lamellae—dendrites.” The drastic enhancement of levitation capability indicates a broader application range of single-axis acoustic levitation.

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U2 - 10.1103/PhysRevLett.89.104304

DO - 10.1103/PhysRevLett.89.104304

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VL - 89

JO - Physical Review Letters

JF - Physical Review Letters

IS - 10

ER -

Levitation of Iridium and Liquid Mercury by Ultrasound

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