Improvement of Dispersibility of Nanosize Diamond by Sonochemical Reaction—Relationships among Acoustic Intensity, Disaggregation, and Surface Modification—
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概要
- 論文の詳細を見る
Aggregated nanosize diamond particles were disaggregated and had their surfaces modified by ultrasound exposure. A standing wave sound field was formed in a water tank using a Langevin-type transducer. Acoustic cavitation was generated in the water tank. Aggregated nanosize diamond particles with sizes of about 5 μm were disaggregated in particles with sizes of 40 nm by ultrasound exposure for 20 min. The magnitude of the zeta potential on nanosize diamond particles was increased by more than twice by ultrasound exposure. The sound field in the water tank was measured using a hydrophone. The average acoustic intensity was calculated from measured values of sound pressure. The zeta potential began to increase with increasing average acoustic intensity of more than 800 W/m2.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-06-15
著者
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UCHIDA Takeyoshi
Graduate School of Control System, Toin University of Yokohama
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Hamano Akiko
Faculty Of Engineering Toin University Of Yokohama
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Kawashima Norimichi
Graduate School of Biomedical Engineering, Toin University of Yokohama, 1614 Kurogane-cho, Aoba-ku, Yokohama 225-8502, Japan
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Takeuchi Shinichi
Graduate School of Control System, Toin University of Yokohama, 1614 Kurogane-cho, Aoba-ku, Yokohama 225-8502, Japan
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Takeuchi Shinichi
Graduate School of Biomedical Engineering, Toin University of Yokohama, 1614 Kurogane-cho, Aoba-ku, Yokohama 225-8502, Japan
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Uchida Takeyoshi
Graduate School of Control System, Toin University of Yokohama, 1614 Kurogane-cho, Aoba-ku, Yokohama 225-8502, Japan
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Hamano Akiko
Faculty of Engineering, Toin University of Yokohama, 1614 Kurogane-cho, Aoba-ku, Yokohama 225-8502, Japan
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Kawashima Norimichi
Graduate School of Control System, Toin University of Yokohama, 1614 Kurogane-cho, Aoba-ku, Yokohama 225-8502, Japan
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