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A parametric study on the dynamic behavior of porous bronze at various strain rates

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Abstract

An experimental investigation on the porous bronze at various strain rates is firstly carried out in this study to explore the effects of relative density and strain rate in the mechanical behavior. Furthermore, a multi-parameter constitutive model of describing the rate-dependent behavior for porous bronze is developed. The parameters in the constitutive model are density dependent, and the specific forms of these parameters as functions of relative density are obtained. It can be concluded from the test results and constitutive model that the high relative density leads to increase in yield strength and energy absorption capacity of the materials and the strain rate also has positive effects on the yield strength and energy absorption capacity of porous bronze.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (Grant No. 11172196), Shanxi Scholarship Council of China (2013-046), the Top Young Academic Leaders of Shanxi and the Outstanding Innovative Teams of Higher Learning Institutions of Shanxi. The financial contributions are gratefully acknowledged.

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Authors and Affiliations

  1. Institute of Applied Mechanics and Biomedical Engineering, Taiyuan University of Technology, Taiyuan, 030024, People’s Republic of China

    Yue Zhang, Jianxing Hu, Jianyin Lei, Zhihua Wang & Longmao Zhao

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  1. Yue Zhang
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  2. Jianxing Hu
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  3. Jianyin Lei
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  4. Zhihua Wang
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  5. Longmao Zhao
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Correspondence to Zhihua Wang.

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Zhang, Y., Hu, J., Lei, J. et al. A parametric study on the dynamic behavior of porous bronze at various strain rates. Appl. Phys. A 122, 897 (2016). https://doi.org/10.1007/s00339-016-0433-9

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