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In this work, an analytical model is proposed for the estimation of temperature and phase fraction of Ti-6Al-4V sheet being irradiated by a moving laser source. The procedure makes use of a series solution of three-dimensional temperature distribution of the finite sheet and empirical relations of phase transformation. The proposed model is validated with the results of finite element simulation available in the literature. It is found that the maximum percentage error in the temperature measurement is to be less than 11% at different process parameters. The presented results can be useful to estimate the phase fraction (α, β, and α′) at heat-affected zone in the laser line heating process to understand the mechanism of microstructure evolution.

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Analysis of Temperature and Microstructure Evolution During Laser Line Heating of Titanium Metal Sheets

  • 会议论文

  • 发表日期：

    2026年

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  • U. Nath,
  • S. Shrivastava,
  • J. Baral,
  • V. Yadav

摘要

In this work, an analytical model is proposed for the estimation of temperature and phase fraction of Ti-6Al-4V sheet being irradiated by a moving laser source. The procedure makes use of a series solution of three-dimensional temperature distribution of the finite sheet and empirical relations of phase transformation. The proposed model is validated with the results of finite element simulation available in the literature. It is found that the maximum percentage error in the temperature measurement is to be less than 11% at different process parameters. The presented results can be useful to estimate the phase fraction (α, β, and α′) at heat-affected zone in the laser line heating process to understand the mechanism of microstructure evolution.