超声作用下SiC陶瓷表面振动强度分布模拟

doi:10.11896/cldb.19070004

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Abstract The transient analysis and harmonic response analysis of SiC ceramics under ultrasonic action were performed using ANSYS finite element simulation software. The vibration intensity and vibration distribution of SiC ceramic surface under ultrasonic action were investaged by the laser vibrometer. The results show that the ultrasonic vibration of the SiC ceramic surface spreads around the ultrasonic tool head after the application of ultrasonic. The vibration intensity distribution of the SiC ceramic surface changes rapidly. The vibration first reaches the three boundaries closer to the ultrasonic tool head, and then reaches the farther boundary. With the increase of ultrasonic time, the vibration of SiC ceramics reaches a steady state of harmonic response. The vibration intensity of SiC ceramic surface increases with the increase of ultrasonic amplitude. When the ultrasonic amplitude is 4 μm, the amplitude of the ceramic surface vibration intensity can reach 18.6 μm in one period. When the ultrasonic amplitude is 8 μm, the vibration intensity amplitude is 36.6 μm. After the application of ultrasonic, the vibration intensity of the SiC ceramic surface is on the horizontal centerline, which gradually increases along the right edge of the ultrasonic tool head, and gradually increases along the horizontal centerline toward the two boundaries. Under the action of ultrasonic, the vibration at the center of the ultrasonic tool head on the ceramic surface is sinusoidal. In the direction away from the tool head, the vibration is no longer sinusoidal, but it also shows some characteristics of sinusoidal fluctuation. The vibration distribution characteristics and propagation law of SiC ceramic surface under the action of ultrasonic were analyzed. It can help to grasp the bonding method and mechanism of ultrasonic-assisted brazing of SiC ceramics, which makes the application of ultrasonic technology in SiC ceramic brazing possible.

Key words： ultrasonic SiC ceramic vibration intensity solder spread

Published: 06 November 2020

CLC number:

TG454

Fund:National Natural Science Foundation of China (51674090).

About author:: Zhipeng Maobtained his Ph.D. degree from Harbin Institute of Technology (HIT) in Nov. 2011. He is currently a professor and doctoral supervisor of the Northeast Petroleum University (NEPU). He performed collaborative research in 2017—2018 in CCWJ (Canadian Centre for Welding+Joining), University of Alberta. He has published more than 20 journal papers, applied 13 national invention patents and 11 of them were authorized. His team’s research interests are the non contact electromagnetic ultrasonic, interfacial reaction at ceramic/metal interface, growth mechanism of the reaction layer and so on.
Mingxuan Zhangreceived bachelor’s degree from Harbin University of Science and Technology in July 2017. Since september 2017, he has been studying in the department of material science and engineering of Northeast Petroleum University, mainly focus on the research of ultrasonic-assisted brazing.

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	MA Zhipeng
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Cite this article:

MA Zhipeng,ZHANG Mingxuan,YU Haiyang, et al. Simulation of Vibration Intensity Distribution of SiC Ceramic Surface Under Ultrasonic[J]. Materials Reports, 2020, 34(20): 20015-20021.

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http://www.mater-rep.com/EN/10.11896/cldb.19070004 OR http://www.mater-rep.com/EN/Y2020/V34/I20/20015

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