NDLI: Microstructure evolution of a Re-containing nickel-based superalloy by hot deformation and cold severe plastic deformation

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Microstructure evolution of a Re-containing nickel-based superalloy by hot deformation and cold severe plastic deformation

Content Provider	Scilit
Author	Mukhtarov, Sh Shakhov, R. Ganeev, A.
Copyright Year	2019
Description	Journal: Iop Conference Series: Materials Science and Engineering The microstructure evolutions of the cast rhenium containing nickel-based superalloy subjected to thermomechanical treatment and severe plastic deformation by high pressure torsion were investigated. Thermomechanical treatment led to the formation a fine-grained structure with γ grain size of about 7 μm and both large precipitates of the γ’ phase with a size of 1-5 μm and dispersed precipitates with a size of about 0.2 μm. Microstructure of the superalloy subjected to high pressure torsion up to 5 revolutions was nanocrystalline with partly dissolved of the dispersed γ′ precipitates. The effect of different kinds of deformation and subsequent annealing on the microstructure, grain boundaries and microhardness changes are also discussed.
Related Links	https://iopscience.iop.org/article/10.1088/1757-899X/672/1/012048/pdf
ISSN	17578981
e-ISSN	1757899X
DOI	10.1088/1757-899x/672/1/012048
Journal	Iop Conference Series: Materials Science and Engineering
Issue Number	1
Volume Number	672
Language	English
Publisher	IOP Publishing
Publisher Date	2019-11-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Materials Science and Engineering Metallurgy and Metallurgical Engineering
Content Type	Text
Resource Type	Article

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