120
Views
2
CrossRef citations to date
0
Altmetric
Research Articles

On the influence of Ta/W ratio on the morphological evolution of γ+γ’ eutectics and solidification path in cast nickel-base superalloys

ORCID Icon &
Pages 252-261 | Received 05 Feb 2018, Accepted 03 Sep 2019, Published online: 21 Oct 2019

References

  • Naffakh Moosavy H, Aboutalebi M-R, Seyedein SH, et al. A solidification model for prediction of castability in the precipitation-strengthened nickel-based superalloys. J Mater Process Technol. 2013;213:1875–1884.
  • Lopez-Galilea I, Huth S, Fries SG, et al. Microsegregation and secondary phase formation during directional solidification of the single-crystal Ni-Based superalloy LEK94. Metall Mater Trans A. 2012;43:5153–5164.
  • Dsouza N, Dong H, Ardakani M, et al. Solidification path in the Ni-base superalloy, IN713LC—quantitative correlation of last stage solidification, Scr. Mater. 2005;53:729–733.
  • Shi Z, Dong J, Zhang M, et al. Solidification characteristics and segregation behavior of Ni-based superalloy K418 for auto turbocharger turbine. J Alloys Compd. 2013;571:168–177.
  • Wang F, Ma D, Zhang J, et al. Solidification behavior of a Ni-based single crystal CMSX-4 superalloy solidified by downward directional solidification process. Mater Charact. 2015;101:20–25.
  • D’Souza N, Dong HB. Solidification path in third-generation Ni-based superalloys, with an emphasis on last stage solidification, Scr. Mater. 2007;56:41–44.
  • Warnken N, Ma D, Mathes M, et al. Investigation of eutectic island formation in SX superalloys. Mater Sci Eng A. 2005;413–414:267–271.
  • Seo SM, Lee JH, Yoo YS, et al. A comparative study of the γ/γ′ eutectic evolution during the solidification of Ni-Base superalloys. Metall Mater Trans A. 2011;42:3150–3159.
  • Zheng L. Formation of eutectic (γ′+α) and α transformation in Ta-bearing high W content cast Ni-base superalloys. Scr Mater. 2005;53:943–948.
  • Huang H, Koo C. Effect of solution-treatment on microstructure and mechanical properties of cast fine-grain CM 247 LC superalloy. Mater Trans. 2004;45:1360–1366.
  • Huang H, Koo C. Characteristics and mechanical properties of polycrystalline CM 247 LC superalloy casting. Mater Trans. 2004;45:562–568.
  • Bhardwaj P. Structural study of transition metal carbides. Acta Phys Pol A. 2012;122:138–141.
  • Shatynski SR. The thermochemistry of transition metal carbides, oxid. Met. 1979;13:105–118.
  • Amouyal Y, Mao Z, Seidman DN. Phase partitioning and site-preference of hafnium in the γʹ (L12)∕γ(fcc) system in Ni-based superalloys: an atom-probe tomographic and first-principles study. Appl Phys Lett. 2009;95:161909.
  • Cutler ER, Wasson AJ, Fuchs GE. Effect of minor alloying additions on the solidification of single-crystal Ni-base superalloys. J Cryst Growth. 2009;311:3753–3760.
  • Baldan R, da Rocha RLP, Tomasiello RB, et al. Solutioning and aging of MAR-M247 Nickel-based superalloy. J Mater Eng Perform. 2013;22:2574–2579.
  • Azevedo e Silva PRS, Baldan R, Nunes CA, et al. Costa, solution heat-treatment of Nb-modified MAR-M247 superalloy. Mater Charact. 2013;75:214–219.
  • Okamoto H, Schlesinger ME, Mueller EM. ASM handbook volume 3: alloy phase diagrams. ASM international; OH. 1992.
  • Sawyer T, Walker J, Heat treatment to dissolve low melting phases in superalloys, US patent, US3753790 A, 1973.
  • Heydari D, Fard AS, Bakhshi A, et al. Hot tearing in polycrystalline Ni-based IN738LC superalloy: influence of Zr content. J Mater Process Technol. 2014;214:681–687.
  • Shi Z, Dong J, Zhang M, et al. Solidification characteristics and hot tearing susceptibility of Ni-based superalloys for turbocharger turbine wheel. Trans Nonferrous Met Soc China. 2014;24:2737–2751.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.