Microstructural evolution of a nickel-based superalloy during hot deformation

• Published in: Materials in engineering Vol. 77; pp. 41 - 49
• Main Authors: Chen, Xiao-Min, Lin, Y.C., Chen, Ming-Song, Li, Hong-Bin, Wen, Dong-Xu, Zhang, Jin-Long, He, Min
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 15.07.2015
• Subjects: Alloy; Deformation; Dislocations; Dynamic recrystallization; Evolution; Grains; Hot deformation; Microstructural evolution; Nickel base alloys; Strain rate; Substructures; Superalloys; Hot deformation; Microstructural evolution; Dynamic recrystallization; Alloy

[Display omitted] •Deformation parameters have significant influences on the grain microstructure.•The dislocation substructure is also very sensitive to the deformation parameters.•The bulging of initial grain boundaries is the main nucleation mechanism of DRX.•The complete DRX domains are determin...