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Damping Analysis of High Damping MgO/Mg Composites in Anelastic and Microplastic Deformation

Metals 2023 2 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 30 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Diqing Wan, Fan Yang, Jiajun Hu, Shaoyun Dong, Hao Tang, Yu Wang, Yandan Xue, Guoliang Han, Jie Kang, Jie Kang, Jingwen Xu, Guanmei Zeng

Summary

This materials science study investigated the damping properties of magnesium-oxide composites under varying strain to understand how plastic deformation affects performance. The research is focused on engineering materials and has no direct connection to environmental microplastics or human health.

In this study, MgO/Mg composites were prepared using direct melt oxidation to verify the effects of elastic deformation and microplastic deformation on the damping properties. It was found that the composites have high damping properties at a certain strain amplitude, which indicated that the damping properties of the magnesium matrix were effectively enhanced by the in situ-synthesized oxide particle. In addition, other damping mechanisms different from the G–L dislocation damping mechanism exist in MgO/Mg composites, i.e., the damping mechanism of the microplastic deformation, leading to a model of microplastic deformation damping established and its mechanistic analysis.

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