舒在勤:The Impact Failure and Energy Dissipation Mechanism of Polyethylene Laminates论文

舒在勤:The Impact Failure and Energy Dissipation Mechanism of Polyethylene Laminates论文

本文主要研究内容

作者舒在勤,张金咏(2019)在《The Impact Failure and Energy Dissipation Mechanism of Polyethylene Laminates》一文中研究指出:The damage mechanism and energy dissipation of the Polyethylene(PE) laminates in impacting was investigated. It was found that the dissipated energy of the impacting sphere bullet by the 1-mmthick PE plate firstly increased with the impacting velocity increasing from 50 to about 300 m/s, and then decreased with the impacting velocity increasing up to 600 m/s. According to the measured deformation and damage degree, a numerical simulation of the dissipated energy was made and obvious offset was found with the experimental results. The quasi-static properties of the PE fibers, decreasing with increase in tensile velocity, may be the main reason for the offset.

Abstract

The damage mechanism and energy dissipation of the Polyethylene(PE) laminates in impacting was investigated. It was found that the dissipated energy of the impacting sphere bullet by the 1-mmthick PE plate firstly increased with the impacting velocity increasing from 50 to about 300 m/s, and then decreased with the impacting velocity increasing up to 600 m/s. According to the measured deformation and damage degree, a numerical simulation of the dissipated energy was made and obvious offset was found with the experimental results. The quasi-static properties of the PE fibers, decreasing with increase in tensile velocity, may be the main reason for the offset.

论文参考文献

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  • 论文详细介绍

    论文作者分别是来自Journal of Wuhan University of Technology(Materials Science)的舒在勤,张金咏,发表于刊物Journal of Wuhan University of Technology(Materials Science)2019年03期论文,是一篇关于,Journal of Wuhan University of Technology(Materials Science)2019年03期论文的文章。本文可供学术参考使用,各位学者可以免费参考阅读下载,文章观点不代表本站观点,资料来自Journal of Wuhan University of Technology(Materials Science)2019年03期论文网站,若本站收录的文献无意侵犯了您的著作版权,请联系我们删除。

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    舒在勤:The Impact Failure and Energy Dissipation Mechanism of Polyethylene Laminates论文
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