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Sub-rapid Solidification Study by Using Droplet Solidification Technique

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Advanced Real Time Imaging II

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

Droplet solidification technique is important with respect to the fundamental study of strip casting given the common conditions of direct contact between cooling mold and solidifying metal. In this study, an improved droplet solidification technique has been developed for the in situ observation of the sub-rapid solidification phenomena of metal droplets impinging onto the water-cooled copper substrate. The heat transfer rates were calculated by the inverse heat conduction program (IHCP) , according to the responding temperatures’ gradient inside the cooling mold. Meanwhile a charge coupled device (CCD) camera was placed beside the bell jar aimed to record the whole melting and solidification process of the steel sample, which also allowed the determination of the final wetting angel, during the dipping tests. Moreover, it was found that the heat transfer rate increased with decreasing final contact angle, which means better wetting condition between the liquid sample and the copper substrate.

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Author information

Authors and Affiliations

  1. School of Metallurgy and Environment, Central South University, Changsha, 410083, China

    Cheng Lu, Wanlin Wang & Chenyang Zhu

  2. National Center for International Research of Clean Metallurgy, Central South University, Changsha, 410083, China

    Cheng Lu, Wanlin Wang & Chenyang Zhu

Authors
  1. Cheng Lu
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  2. Wanlin Wang
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  3. Chenyang Zhu
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Corresponding author

Correspondence to Wanlin Wang .

Editor information

Editors and Affiliations

  1. National Energy Technology Laboratory/Leidos, Albany, OR, USA

    Jinichiro Nakano

  2. Carnegie Mellon University, Pittsburgh, PA, USA

    P Chris Pistorius

  3. The University of Kansas, Lawrence, KS, USA

    Candan Tamerler

  4. Kyoto University, Kyoto, Japan

    Hideyuki Yasuda

  5. South University of Science and Technology, Shenzhen, China

    Zuotai Zhang

  6. McMaster University, Hamilton, ON, Canada

    Neslihan Dogan

  7. Central South University, Changsha, Hunan, China

    Wanlin Wang

  8. Kyushu University, Fukuoka, Japan

    Noritaka Saito

  9. Carnegie Mellon University, Pittsburgh, PA, USA

    Bryan Webler

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© 2019 The Minerals, Metals & Materials Society

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Lu, C., Wang, W., Zhu, C. (2019). Sub-rapid Solidification Study by Using Droplet Solidification Technique. In: Nakano, J., et al. Advanced Real Time Imaging II. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-06143-2_11

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