A study of nanoparticle manufacturing process using vacuum submerged arc machining with aid of enhanced ultrasonic vibration |
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| Authors: | Ho Chang Tsing-Tshih Tsung Chih-Hung Lo Hong-Ming Lin Chung-Kwei Lin Liang-Chia Chen Ching-Song Jwo |
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| Affiliation: | (1) Department of Mechanical Engineering, National Taipei University of Technology, Taiwan, Republic of China;(2) Department of Materials Engineering, Tatung University, Taiwan, Republic of China;(3) Department of Material Science, Feng Chia University, Taiwan, Republic of China;(4) Institute of Automation Technology, National Taipei University of Technology, Taiwan, Republic of China;(5) Department of Air-Conditioning and Refrigeration Engineering, National Taipei University of Technology, Taiwan, Republic of China |
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| Abstract: | This article presents the development of an innovative approach using the vacuum submerged arc machining with aid of enhanced ultrasonic vibration to manufacture nanoparticles. The Arc Spray Nanoparticle Synthesis System (ASNSS) previously designed by the NTUT’s Nano Laboratory has been successfully developed to generate nanoparticles. In this proposed process, a titanium bar, as the electrode, is melted and vaporized in distilled water, used as an insulating liquid. Meanwhile, the ultrasonic vibration is applied to the electrode to remove the vaporized metal powders rapidly from the melting zone. The vaporized metal particles are then rapidly quenched by the designed cooling system, thus nanocrystalline particles nucleated and formed. This study discusses the the influence of the ultrasonic amplitude and various process variables such as pulse duration, peak current, and dielectric liquid temperature on TiO2nanoparticles suspension. |
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