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Pore characteristics of Lotus-Type Porous Copper Fabricated by Centrifugal Casting

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Abstract

Lotus-type porous copper was fabricated by a centrifugal casting. The long cylindrical pores aligned along single direction was formed during unidirectional solidification in a hydrogen atmosphere under a centrifugal force. The relationship between processing parameters and pore characteristics in centrifugal casting was investigated in detail. Porosity and average pore diameter increased with increasing distance from bottom of ingot and rotational velocity. The processing parameter in centrifugal casing affected the pressure on liquid/solid interface and the solidification rate during unidirectional solidification. It is concluded that an appropriate pore characteristics of lotus-type porous copper can be obtained by control of processing parameters in the centrifugal casting.

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Acknowledgements

This work was supported by the Professional Manpower Training Project for Convergence of Ppuri Industry and Information and Communication Technology (ICT) funded by the Ministry of Trade, Industry and Energy Affairs (MOTIE), Republic of Korea, and Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, South Korea (No. 2016R1A6A3A11934765).

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Author notes

  1. Sang-Wook Kim and Yun-Soo Lee contributed equally to this work.

Authors and Affiliations

  1. Department of Materials Science and Engineering, Inha University, Incheon, 22212, Republic of Korea

    Sang-Wook Kim, Yun-Soo Lee, Taek-Kyun Jung & Soong-Keun Hyun

  2. Metallic Materials Division, Korea Institute of Materials Science, Changwon, 51508, Republic of Korea

    Yun-Soo Lee

  3. Liquid Processing and Casting R&D Group, Korea Institute of Industrial Technology, Incheon, 21999, Republic of Korea

    Ji-Woon Lee

  4. Metal Forming R&D Group, Korea Institute of Industrial Technology, Incheon, 21999, Republic of Korea

    Seong-Sik Lim

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  1. Sang-Wook Kim
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Kim, SW., Lee, YS., Lee, JW. et al. Pore characteristics of Lotus-Type Porous Copper Fabricated by Centrifugal Casting. Met. Mater. Int. 26, 660–667 (2020). https://doi.org/10.1007/s12540-019-00365-5

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