Effect of Heat Treatment on Dendritic Segregation and High-Temperature Strength of Single Crystals of Ni 3 Al-Base Rhenium-Alloyed Intermetallic Alloys

K. B. Povarova; O. A. Bazyleva; A. A. Drozdov; A. E. Morozov; E. G. Arginbaeva; A. V. Antonova

doi:10.1007/s11041-019-00324-2

Effect of Heat Treatment on Dendritic Segregation and High-Temperature Strength of Single Crystals of Ni₃Al-Base Rhenium-Alloyed Intermetallic Alloys

Autores: Povarova K.B.¹, Bazyleva O.A.², Drozdov A.A.³, Morozov A.E.¹, Arginbaeva E.G.², Antonova A.V.¹
Afiliações:
1. A. A. Baikov Institute of Metallurgy and Materials Science
2. Federal State Unitary Enterprise “VIAM”
3. Federal State Unitary Enterprise “TsNIIChermet”
Edição: Volume 60, Nº 9-10 (2019)
Páginas: 594-601
Seção: Heat Treatment
URL: https://journal-vniispk.ru/0026-0673/article/view/236446
DOI: https://doi.org/10.1007/s11041-019-00324-2
ID: 236446

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The nature of stability of dendritic microsegregation of rhenium in single crystals of intermetallic (γ′ + γ) alloys based on γ′-Ni₃Al is determined under a high-temperature heat treatment and under creep and endurance tests. It is assumed that steady dendritic microsegregation of rhenium is a factor determining the high high-temperature strength of rhenium-containing (γ′ + γ) alloys based on γ′-Ni₃Al.