Dynamic behaviour of YAG transparent ceramic under ramp wave and shock compression loading up to 20 GPa

IF 1.7 4区工程技术 Q3 MECHANICS

Shock Waves Pub Date : 2024-02-23 DOI:10.1007/s00193-023-01152-3

K. Bao, X. Zhang, G. Wang, J. Deng, T. Chong, D. Han, L. Bingqiang, M. Tan

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Abstract

YAG transparent ceramic has great potential in the applications to transparent armour protection modules. To study the dynamic behaviour and obtain the parameters for the equation of state of YAG under the load of longitudinal stress ranging from 0 to 20 GPa, ramp wave and shock compression experiments were conducted based on the electromagnetic loading test platform. The Hugoniot data, isentropic data, dynamic strength, and elastic limit of YAG were obtained. The results showed that the relationship between the longitudinal wave speed and the particle velocity of YAG was linear when the longitudinal stress was lower than the elastic limit. The quasi-isentropic compression and shock Hugoniot compression curves were coincident when the stress in YAG was below 10 GPa; however, a separation of the two curves occurred when the stress in YAG ranged from 10 GPa to the elastic limit. Moreover, the effect of strain rate on the fracture stress of YAG under a moderate strain rate of 10\(^{\textrm{5}}\)–10\(^{\textrm{6}}\) \(\hbox {s}^{\mathrm {-1}}\) was more evident than in other strain rate ranges. The amplitude of the precursor wave decayed with increasing sample thickness.

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YAG 透明陶瓷在高达 20 GPa 的斜波和冲击压缩加载下的动态特性

YAG 透明陶瓷在透明装甲防护模块方面具有巨大的应用潜力。为了研究 YAG 在 0 至 20 GPa 纵向应力载荷下的动态行为并获得其状态方程参数，基于电磁加载测试平台进行了斜坡波和冲击压缩实验。获得了 YAG 的休格尼数据、等熵数据、动态强度和弹性极限。结果表明，当纵向应力小于弹性极限时，YAG 的纵波速度与颗粒速度之间呈线性关系。当 YAG 的应力低于 10 GPa 时，准各向同性压缩曲线与冲击休格诺压缩曲线重合；然而，当 YAG 的应力在 10 GPa 到弹性极限之间时，两条曲线出现分离。此外，在 10\(^{\textrm{5}}\)-10\(^{\textrm{6}}\(\hbox {s}^{\mathrm {-1}}\) 的中等应变速率下，应变速率对 YAG 断裂应力的影响比其他应变速率范围更明显。前驱波的振幅随着样品厚度的增加而衰减。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Shock Waves 物理-力学

CiteScore

4.10

自引率

9.10%

发文量

审稿时长

17.4 months

期刊介绍： Shock Waves provides a forum for presenting and discussing new results in all fields where shock and detonation phenomena play a role. The journal addresses physicists, engineers and applied mathematicians working on theoretical, experimental or numerical issues, including diagnostics and flow visualization. The research fields considered include, but are not limited to, aero- and gas dynamics, acoustics, physical chemistry, condensed matter and plasmas, with applications encompassing materials sciences, space sciences, geosciences, life sciences and medicine. Of particular interest are contributions which provide insights into fundamental aspects of the techniques that are relevant to more than one specific research community. The journal publishes scholarly research papers, invited review articles and short notes, as well as comments on papers already published in this journal. Occasionally concise meeting reports of interest to the Shock Waves community are published.