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Acicular Ferrite Growth Behaviors in the Weld Metal of EH36 Shipbuilding Steel Subjected to CaF2-30 Wt Pct TiO2 Flux

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Abstract

Acicular ferrite growth behaviors in the weld metal of EH36 shipbuilding steel treated with CaF2-30 wt pct TiO2 flux have been investigated using confocal scanning laser microscope. It indicates that ferrite side plates are initiated first, and acicular ferrites are formed subsequently. Growth rate of acicular ferrite varies over a wide range from 13.7 to 61.8 μm/s. Current findings may offer a clear demonstration of the microstructural evolution for targeted weld metals during solid-state phase transformation.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Nos. U20A20277 and 52150610494), National Key Research and Development Plan of China (Grant No. 2022YFE0123300), and Spring Sunshine Plan (Chunhui) Research Project of Ministry of Education of China (Grant No. HZKY20220437).

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Authors and Affiliations

  1. Key Laboratory for Ecological Metallurgy of Multimetallic Mineral (Ministry of Education), Northeastern University, Shenyang, 110819, P.R. China

    Xiaobo Yuan, Yongwu Wu, Junjie Ma, Ming Zhong & Cong Wang

  2. School of Metallurgy, Northeastern University, Shenyang, 110819, P.R. China

    Xiaobo Yuan, Yongwu Wu, Junjie Ma, Ming Zhong & Cong Wang

  3. Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology, Bombay, 400076, India

    Somnath Basu

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  1. Xiaobo Yuan
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Correspondence to Cong Wang.

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Yuan, X., Wu, Y., Ma, J. et al. Acicular Ferrite Growth Behaviors in the Weld Metal of EH36 Shipbuilding Steel Subjected to CaF2-30 Wt Pct TiO2 Flux. Metall Mater Trans B 54, 2889–2894 (2023). https://doi.org/10.1007/s11663-023-02935-w

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