Grain Growth Inhibition by Second Phase Particles : A Two-Dimensional Monte Carlo Computational Study

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Authors

  • P. Rajendra
     Department of Mechanical Engineering, Ramaiah Institute of Technology, MSR Nagar, MSRIT Post Bengaluru, Karnataka 560054 ,IN
  • K. R. Phaneesh
     Department of Mechanical Engineering, Ramaiah Institute of Technology, MSR Nagar, MSRIT Post Bengaluru, Karnataka 560054 ,IN
  • C M Ramesha
     Department of Mechanical Engineering, Ramaiah Institute of Technology, MSR Nagar, MSRIT Post Bengaluru, Karnataka 560054 ,IN
  • Madev Nagaral
     Aircraft Research and Design Centre HAL, Bengaluru, Karnataka 560037 ,IN
  • V Auradi
     Department of Mechanical Engineering, Siddaganga Institute of Technology, Tumkur, Karnataka 572103 ,IN

DOI:

https://doi.org/10.18311/jmmf/2022/31059

Keywords:

Q-States, Second Phase Particles, Matrix Size, Grain Size Distribution, Zener Limit, and Scaling Constant.

Abstract

A comprehensive 2-D simulation was performed on a square lattice under the influence of a second phase particle to validate the Zener limit. The effect of matrix sizes from 100 to 10,000 was examined on R(lim), R(max), Scaling constant(k), and impurities lying on the grain boundaries(ϕ). In addition, the optimum matrix size N=2000 under various second phase particles and Q states were investigated. The particle-pinned regimes developed a unique relationship between the Zener limit and the fraction of second phase particles resting on the grain boundary, i.e., R(limit)=1/eΦ It was observed that the particle fraction is proportional to the determined limiting grain size. The homogeneity and distribution of grains were observed to obey the lognormal behavior.

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Published

2023-03-15

How to Cite

Rajendra, P., Phaneesh, K. R., Ramesha, C. M., Nagaral, M., & Auradi, V. (2023). Grain Growth Inhibition by Second Phase Particles : A Two-Dimensional Monte Carlo Computational Study. Journal of Mines, Metals and Fuels, 70(10A), 97–103. https://doi.org/10.18311/jmmf/2022/31059

Issue

Volume 70, Issue 10A, October 2022

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Articles

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Copyright (c) 2023 Journal of Mines, Metals and Fuels

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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