Chin. Phys. Lett.  2010, Vol. 27 Issue (2): 026201    DOI: 10.1088/0256-307X/27/2/026201
CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
Comparison Study on Characteristic Regimes in Shocked Porous Materials
XU Ai-Guo, ZHANG Guang-Cai, LI Hua, ZHU Jian-Shi
National Key Laboratory of Computational Physics, Institute ofApplied Physics and Computational Mathematics, PO Box 8009-26, Beijing100088
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XU Ai-Guo, ZHANG Guang-Cai, LI Hua et al  2010 Chin. Phys. Lett. 27 026201
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Abstract We perform a comparison study on characteristic regimes in shocked porous materials whose mechanical properties cover a wide range. Via the Minkowski functional analysis, it is found that different materials may show the same fractional size of characteristic regimes in the shock-loading procedure, even if one uses the same threshold value to define those regimes. Characteristic regimes in the material with larger initial yield are more dispersed. For a fixed shock strength, there exists a material strength with which the shock wave reaction contributes the maximum plastic work. With the decreasing of shock strength, this material strength becomes smaller. These observations may present helpful indications for new material designs.
Keywords: 62.50.Ef      61.43.Gt      81.05.Rm      81.05.Zx     
Received: 15 June 2009      Published: 08 February 2010
PACS:  62.50.Ef (Shock wave effects in solids and liquids)  
  61.43.Gt (Powders, porous materials)  
  81.05.Rm (Porous materials; granular materials)  
  81.05.Zx (New materials: theory, design, and fabrication)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/27/2/026201       OR      https://cpl.iphy.ac.cn/Y2010/V27/I2/026201
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Articles by authors
XU Ai-Guo
ZHANG Guang-Cai
LI Hua
ZHU Jian-Shi
[1] Nemat-Nasser S and Hori M 1999 Micromechanics: Overall Properties of Heterogeneous Materials 2nd edn (New York: Elsevier)
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[3] Xu A G, Pan X F, Zhang G C and Zhu J S 2007 J. Phys.: Condens. Matter 19 326212
[4] Yang Q L, Zhang G C, Xu A G, Zhao Y H and Li Y J 2008 Acta Phys. Sin. 57 940 (in Chinese)
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[7] For example, see Wu Q and Jing F Q 1995 Appl. Phys. Lett. 67 49
[8] Xu A G, Zhang G C, Pan X F and Zhu J S 2009 Commun. Theor. Phys. 51 691
[9] Xu A G, Zhang G C, Pan X F, Zhang P and Zhu J S 2009 J. Phys. D: Appl. Phys. 42 075409
[10] Minkowski H 1903 Math. Ann. 57 447
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