SUN Lei, LUO Kun, LIU Bing, HAN Qiaoyi, WANG Xiaoyu, LIANG Zitai, ZHAO Zhisheng. First-Principles Investigations on Metallic Silicon Allotropes[J]. Chinese Journal of High Pressure Physics, 2019, 33(2): 020103. doi: 10.11858/gywlxb.20190705
Citation:
GAO Mingyue, ZHOU Qiang. p- and p- Model for Describing Shock Compressive Behavior of W-Cu Powder Mixture[J]. Chinese Journal of High Pressure Physics, 2020, 34(1): 012101. doi: 10.11858/gywlxb.20190784
SUN Lei, LUO Kun, LIU Bing, HAN Qiaoyi, WANG Xiaoyu, LIANG Zitai, ZHAO Zhisheng. First-Principles Investigations on Metallic Silicon Allotropes[J]. Chinese Journal of High Pressure Physics, 2019, 33(2): 020103. doi: 10.11858/gywlxb.20190705
Citation:
GAO Mingyue, ZHOU Qiang. p- and p- Model for Describing Shock Compressive Behavior of W-Cu Powder Mixture[J]. Chinese Journal of High Pressure Physics, 2020, 34(1): 012101. doi: 10.11858/gywlxb.20190784
This study investigated the applicability of three p- models and p- model for predicting shock compaction response of heterogeneous W-Cu powder mixture. Mie-Grüneisen method and Barry isobaric mixing method were employed to predict the Hugoniot of W-Cu powder mixture with the same porosity based on the Hugoniot relationships. At high pressure section, the results were in good agreement with the experimental results, but it deviated greatly at the low pressure section. The p- models and p- model were applied to fit the experimental results, and it was found that all the other models were able to describe the shock compression response of W-Cu powder mixture except p- PL model. The crush strength and compression path of all models are different due to selection of empirical parameters, and they are with poor prediction function.
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SUN Lei, LUO Kun, LIU Bing, HAN Qiaoyi, WANG Xiaoyu, LIANG Zitai, ZHAO Zhisheng. First-Principles Investigations on Metallic Silicon Allotropes[J]. Chinese Journal of High Pressure Physics, 2019, 33(2): 020103. doi: 10.11858/gywlxb.20190705
SUN Lei, LUO Kun, LIU Bing, HAN Qiaoyi, WANG Xiaoyu, LIANG Zitai, ZHAO Zhisheng. First-Principles Investigations on Metallic Silicon Allotropes[J]. Chinese Journal of High Pressure Physics, 2019, 33(2): 020103. doi: 10.11858/gywlxb.20190705
Figure 1. Compressive behavior of powder or porous material
Figure 2. Parts split diagram and assembly diagram
Figure 3. Probe location
Figure 4. Typical extracted profile for input (a) and propagated waves (b) that illustrating structured waveforms (Locations of 50% equilibrium time of arrival and 10% and 90% uncertainty arrival times used for calculation of shock velocity are also marked.)
Figure 5. Calculation principle and error distribution
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