Metal Science and Heat Treatment

, Volume 58, Issue 11–12, pp 712–718 | Cite as

Crystallographic Mechanism of Local Lattice Turn Under Growth of Single Crystals of Refractory Nickel Alloys

REFRACTORY NICKEL AND TITANIUM ALLOYS
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Amechanism of local formation of crystals of random orientation in growth of single-crystal billets of refractory nickel alloys for blades of gas turbine engines is suggested. Aturn of the lattice is initiated at the place of contact between the initial melt and the surface of hard particles of NbC carbide and/or TiN nitride.

Key words

refractory alloys nickel single crystals atomic clusters lattice turn crystallographic mechanism 
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Notes

The work has been performed with support of a grant of the Russian Scientific Foundation (Project No. 14-19-01726) at the I. P. Bardin Central Research Institute for Ferrous Metallurgy.

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.All-Russia Institute for Aircraft Materials (FGUP “VIAM”)MoscowRussia
  2. 2.N. É. Bauman Moscow State Technical UniversityMoscowRussia
  3. 3.A. N. Nesmeyanov Institute for Elementorganic Compounds (INEOS)MoscowRussia

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