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Thermal history and solid fraction prediction of gas-atomized droplets in Inconel 718 alloy during spray forming

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2025, 35(4), pp.147~151
  • DOI : 10.6111/JKCGCT.2025.35.4.147
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : November 14, 2025
  • Accepted : November 24, 2025
  • Published : December 31, 2025

Jin-Kon Kim 1 Cho, Hyun 1

1부산대학교

Accredited

ABSTRACT

In spray forming the variations of droplet temperatures with flight distance are very important in determining the thermal condition and overall solid fraction of the spray at the point of deposition. Gas and droplet velocities, droplet temperature and solid fraction with flight during spray forming have been predicted in Inconel 718 alloy. As the size of the droplet increases, the starting and completing points of solidification move toward a longer flight distance, and the solidification process also proceeds over a wider range of flight distance. The solidification mechanism of the droplets has a relatively small effect on the dynamic and thermal behavior of the spray droplets, while the size of the droplets has a strong effect.

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* References for papers published after 2024 are currently being built.