Study on the frequency of acoustic emission signal during crystal growth of salicylic acid-Reference-Cited by-同舟云学术

Study on the frequency of acoustic emission signal during crystal growth of salicylic acid

Published:2021-01-01 Issue:1 Volume:10 Page:596-604
ISSN:2191-9097
Container-title:Nanotechnology Reviews
language:en
Short-container-title:

Author:

Wang Xingjun¹,Xie Quanmin²,Huang Ying³⁴

Affiliation:

1. Key Laboratory of Mechanics on Disaster and Environment in Western China, The College of Civil Engineering and Mechanics, Lanzhou University , Lanzhou , 730000 , China

2. Hubei Key Laboratory of Blasting Engineering, Jianghan University , Wuhan , 430056 , China

3. The College of Aviation Engineering, Taizhou University , Taizhou , 318000 , China

4. Sorbonne Universités, Université Pierre et Marie Curie, Paris 6, Institut Jean le Rond d’Alembert, CNRS UMR 7190 , Case 162, 4 Place Jussieu, 75252 , Paris Cedex 05 , France

Abstract

Abstract Based on the results of the previous experiment, this article studied the acoustic emission (AE) signals released during the crystallization of salicylic acid to establish the relationship between the AE signal and the particle size. A tremendous amount of acoustic data was analyzed using time–frequency domain analysis methods in order to extract the valuable contents. Based on the diffusion theory, the vibratory model between the AE signal and the crystal particle size was established. This article mainly studies the process of small particles diffusing to the growth point by impact, adding to the lattice, and the crystal releases energy. The impact of the growth unit on particle aggregate is equivalent to a linear elastic vibration system with one end fixed and the other end free. The vibration frequency is 200–355 kHz when the particle size is between 600 and 1,100 µm. The calculated vibration frequency is in good agreement with the measured frequency.

Publisher

Walter de Gruyter GmbH

Subject

Surfaces, Coatings and Films,Process Chemistry and Technology,Energy Engineering and Power Technology,Biomaterials,Medicine (miscellaneous),Biotechnology

Link

https://www.degruyter.com/document/doi/10.1515/ntrev-2021-0042/pdf

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