Special Features of the Structure of Single-Crystal Refractory Nickel Alloy Under Directed Crystallization

Yu. A. Bondarenko; A. B. Echin; V. A. Surova; M. Yu. Kolodyazhnyi

doi:10.1007/s11041-017-0099-8

Special Features of the Structure of Single-Crystal Refractory Nickel Alloy Under Directed Crystallization

Authors: Bondarenko Y.A.¹, Echin A.B.¹, Surova V.A.¹, Kolodyazhnyi M.Y.¹
Affiliations:
1. Federal State Unitary Enterprise “VIAM” (FGUP “VIAM”)
Issue: Vol 59, No 1-2 (2017)
Pages: 39-44
Section: Article
URL: https://journal-vniispk.ru/0026-0673/article/view/236160
DOI: https://doi.org/10.1007/s11041-017-0099-8
ID: 236160

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Abstract

The effect of the conditions of directed crystallization (the temperature gradient and the crystallization rate) on the dendrite spacing, on the size of the particles of the hardening γ′-phase in the arms and arm spaces of the dendrites, on the volume fraction and size of the pores, on the size of the particles of the eutectic γ/γ′-phase, and on the features of dendritic segregation in a single-crystal castable refractory alloy is studied.