Method of constructing high-frequency vibratory stress relief device for eliminating residual stress of small work-piece

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United States of America

PATENT NO 12128504
APP PUB NO 20210162548A1
SERIAL NO

17028241

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Abstract

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The present invention discloses a method of constructing a high-frequency vibratory stress relief device for eliminating residual stress of a small work-piece. The method comprises the following steps: fabricating a high-frequency vibration energy amplification device; fabricating a clamping device; mounting the high-frequency vibration energy amplification device; obtaining surface residual stress distribution on the small work-piece by means of X-ray diffraction; establishing a finite element model of the small work-piece; determining a target frequency f, determining the structural dimensions of the high-frequency vibration energy amplification device; analyzing the displacement mode to obtain loci of the vibration node lines and number of the vibration node lines; clamping the small work-piece; attaching strain gauges; connecting all devices. The present invention has the advantage of being able to increase the vibration energy acting on the small work-piece to achieve a better effect of high-frequency vibratory stress relief.

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UNIV SHANGHAI MARITIMENot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gu, Bangping Shanghai, CN 8 0
Hu, Xiong Shanghai, CN 23 3
Huo, Zhipeng Shanghai, CN 3 0
Wang, Ping Shanghai, CN 566 5108
Wang, Siqi Shanghai, CN 38 31
Wang, Zhongshan Shanghai, CN 5 0
Wu, Haoran Shanghai, CN 6 12
Zhuang, Jiayi Shanghai, CN 9 5

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