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Coarsening Behavior of the (Ti, Nb)(C, N) Complex Particle in a Microalloyed Steel Weld Heat-Affected Zone Considering the Critical Particle Size

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Abstract

Our recent report revealed the effect of critical particle size on the particle coarsening behavior of the TiN particle. In the present work, the equation for critical particle size is extended by considering the change of particle volume fraction during the continuous thermal cycle. By considering the concept of modified critical particle size, coarsening of the (Ti, Nb)(C, N) complex particle is calculated, and the calculated results are in good agreement with experimental data.

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Acknowledgment

The authors thank the POSCO Technical Research Laboratory for financial support.

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Authors and Affiliations

  1. Division of Materials Science and Engineering, Hanyang University, Seongdong-ku, Seoul, 133-791, Korea

    Joonoh Moon (Doctoral Student), Sanghoon Kim (Doctoral Student) & Changhee Lee (Professor)

  2. POSCO Technical Research Lab., Pohang, Gyeongbuk, 790-785, Korea

    Jongbong Lee (Senior Researcher)

Authors
  1. Joonoh Moon
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  2. Sanghoon Kim
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  3. Jongbong Lee
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  4. Changhee Lee
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Corresponding author

Correspondence to Changhee Lee.

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Manuscript submitted February 20, 2007.

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Moon, J., Kim, S., Lee, J. et al. Coarsening Behavior of the (Ti, Nb)(C, N) Complex Particle in a Microalloyed Steel Weld Heat-Affected Zone Considering the Critical Particle Size. Metall Mater Trans A 38, 2788–2795 (2007). https://doi.org/10.1007/s11661-007-9317-0

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