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Keller T, Lindwall G, Ghosh S, et al. Application of Finite Element, Phase-field, and CALPHAD-based Methods to Additive Manufacturing of Ni-based Superalloys. Acta Mater. 2017;139:244-253doi: 10.1016/j.actamat.2017.05.003.
Keller, T., Lindwall, G., Ghosh, S., Ma, L., Lane, B. M., Zhang, F., Kattner, U. R., Lass, E. A., Heigel, J. C., Idell, Y., Williams, M. E., Allen, A. J., Guyer, J. E., & Levine, L. E. (2017). Application of Finite Element, Phase-field, and CALPHAD-based Methods to Additive Manufacturing of Ni-based Superalloys. Acta materialia, 139244-253. https://doi.org/10.1016/j.actamat.2017.05.003
Keller, Trevor, et al. "Application of Finite Element, Phase-field, and CALPHAD-based Methods to Additive Manufacturing of Ni-based Superalloys." Acta materialia vol. 139 (2017): 244-253. doi: https://doi.org/10.1016/j.actamat.2017.05.003
Keller T, Lindwall G, Ghosh S, Ma L, Lane BM, Zhang F, Kattner UR, Lass EA, Heigel JC, Idell Y, Williams ME, Allen AJ, Guyer JE, Levine LE. Application of Finite Element, Phase-field, and CALPHAD-based Methods to Additive Manufacturing of Ni-based Superalloys. Acta Mater. 2017 Oct 15;139:244-253. doi: 10.1016/j.actamat.2017.05.003. Epub 2017 May 04. PMID: 29230094; PMCID: PMC5721357.
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Acta Mater. 2017 Oct 15;139:244-253. doi: 10.1016/j.actamat.2017.05.003. Epub 2017 May 04.

Application of Finite Element, Phase-field, and CALPHAD-based Methods to Additive Manufacturing of Ni-based Superalloys.

Acta materialia

Trevor Keller, Greta Lindwall, Supriyo Ghosh, Li Ma, Brandon M Lane, Fan Zhang, Ursula R Kattner, Eric A Lass, Jarred C Heigel, Yaakov Idell, Maureen E Williams, Andrew J Allen, Jonathan E Guyer, Lyle E Levine

Affiliations

  1. Materials Science and Engineering Division, Material Measurement Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, U. S. A.
  2. Theiss Research, 7411 Eads Avenue, La Jolla, CA 92037.
  3. Intelligent Systems Division, Engineering Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, U. S. A.
  4. Materials Measurement Science Division, Material Measurement Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, U. S. A.

PMID: 29230094 PMCID: PMC5721357 DOI: 10.1016/j.actamat.2017.05.003

Abstract

Numerical simulations are used in this work to investigate aspects of microstructure and microseg-regation during rapid solidification of a Ni-based superalloy in a laser powder bed fusion additive manufacturing process. Thermal modeling by finite element analysis simulates the laser melt pool, with surface temperatures in agreement with

Keywords: Additive manufacturing; CALPHAD; Finite element analysis (FEA); Microsegregation; Phase-field simulations

References

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