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Synergetics and Acoustic Emission Approach for Crazing Nonlinear Dynamical Systems

Department of Engineering Mechanics, College of Science, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, P. R. China

Inner Mongolia Normal University, Hohhot 010021, Inner Mongolia, P. R. China

E-mail Address: 763068179@qq.com

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Yongming Xing

Department of Engineering Mechanics, College of Science, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, P. R. China

E-mail Address: 591518088@qq.com

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https://doi.org/10.1142/S0218127420500431Cited by:1 (Source: Crossref)

Abstract

This paper reports that synergetics are used to analyze the crazing evolution. On this basis, chaotic effect is explored. The chaos equation is established and verified. The theoretical derivation are consistent with the experimental results. We design a special specimen with a special loading mode, the transient monitoring function of acoustic emission (AE) technology is used to track and detect the crazing inside the PMMA in real time, and the experiments show that synergetics can explain the crazing properties of polymer. Importantly, the mathematical explanation is also given. The AE analysis, synergetics, and craze photo reached a conclusion that the crazing has chaotic behavior. After analyzing the AE events and crazing at different stress levels, the accuracy of synergetic approach for crazing is verified. By studying the course of AE events and crazing, the self-organization effect is proposed. The research results will provide data support for the application of PMMA in ship, aircraft, and precision instruments.

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