Structural and Phase Characteristics of the Ni3Al-Based Intermetallic Alloy Fabricated by High-Gradient Directional Solidification and Selective Laser Melting
- Authors: Petrushin N.V.1, Arginbaeva E.G.1, Elyutin E.S.1, Treninkov I.A.1
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Affiliations:
- Federal State Unitary Enterprise All-Russia Scientific Research Institute of Aviation Materials, State Research Center of the Russian Federation
- Issue: Vol 2018, No 12 (2018)
- Pages: 1101-1107
- Section: Manufacture of Ferrous and Nonferrous Metals
- URL: https://journals.rcsi.science/0036-0295/article/view/172749
- DOI: https://doi.org/10.1134/S0036029518120121
- ID: 172749
Cite item
Abstract
The microstructure and the phase composition of an experimental Ni3Al-based intermetallic alloy containing (wt %) 7.8 Al, 14.5 Ta, 0.9 Mo, 0.5 W, 0.5 Re, 0.15 C, and Ni for balance, which was prepared by slow (6 mm/h) high-gradient (15°C/mm) directional solidification and selective laser melting, are studied, and the lattice parameters of phases and solidus and liquidus temperatures are determined. The phase compositions of the intermetallic alloy samples prepared by these technologies are found to be identical and consist of a γ'-phase matrix and TaC carbide particles.
About the authors
N. V. Petrushin
Federal State Unitary Enterprise All-Russia Scientific Research Institute of Aviation Materials,State Research Center of the Russian Federation
Author for correspondence.
Email: nv_petrushin@mail.ru
Russian Federation, Moscow
E. G. Arginbaeva
Federal State Unitary Enterprise All-Russia Scientific Research Institute of Aviation Materials,State Research Center of the Russian Federation
Email: nv_petrushin@mail.ru
Russian Federation, Moscow
E. S. Elyutin
Federal State Unitary Enterprise All-Russia Scientific Research Institute of Aviation Materials,State Research Center of the Russian Federation
Email: nv_petrushin@mail.ru
Russian Federation, Moscow
I. A. Treninkov
Federal State Unitary Enterprise All-Russia Scientific Research Institute of Aviation Materials,State Research Center of the Russian Federation
Email: nv_petrushin@mail.ru
Russian Federation, Moscow