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Comparison study of single direction and friction assisted compaction of multiple alloy powders by finite element simulation

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Powder Metallurgy and Metal Ceramics Aims and scope

A comparative study is conducted by compaction experiments and finite element simulations on the compaction behavior of multiple alloy powders in the traditional single direction compaction and in the friction-assisted-compaction processes. The results suggest that, in the single direction compaction, stress, strain, and density of the green compacts along the vertical direction are not uniform due to the effects of the friction between the side die wall and powder particles; the density on the top of the green compacts is higher than that in the bottom. However, in the friction assisted compaction process, the density distribution along the vertical direction is more uniform and the density near the middle part of the green compacts is only slightly lower than that at the top and bottom parts of the green compact.

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Acknowledgements

This work is supported by The National Natural Science Foundation of China (No. 50874083), the Foundation for Distinguished Young Scientists of Hubei Province of China (No. 2009CDA044), and the Foundation of Hu’bei Educational Committee (No. Q20091110).

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Authors and Affiliations

  1. Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan, 430081, China

    Zhu Yuanzhi

  2. School of Materials and Metallurgy, Wuhan University of Science & Technology, Wuhan, 430081, China

    Zhu Yuanzhi, Li Junchao, Liang Dongmei & Xiang Zhidong

  3. School of Material science and engineering, Central south University, Changsha, 410083, China

    Yin Zhimin

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  1. Zhu Yuanzhi
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  2. Li Junchao
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  3. Liang Dongmei
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  4. Xiang Zhidong
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Correspondence to Zhu Yuanzhi.

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Translated from Poroshkovaya Metallurgiya, Vol. 50, No. 9–10 (481), pp. 20–30, 2011.

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Zhu, Y., Li, J., Liang, D. et al. Comparison study of single direction and friction assisted compaction of multiple alloy powders by finite element simulation. Powder Metall Met Ceram 50, 586–595 (2012). https://doi.org/10.1007/s11106-012-9364-y

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  • DOI: https://doi.org/10.1007/s11106-012-9364-y

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