Evolution mechanism for a surface gradient nanostructure in GH4169 superalloy induced by an ultrasonic surface rolling process
Jing Yang, Daoxin Liu, Daoxin Liu, Mengyao Li, Zhencheng Ren, Dan Liŭ, Dan Liŭ, Xingchen Xu, Xiaohua Zhang, Hao Zhang, Junfeng Xiang, Chang Ye
Topics & Concepts
Materials scienceEquiaxed crystalsSuperalloyDislocationSevere plastic deformationNanostructureMetallurgyDeformation mechanismGrain sizeIndentation hardnessDeformation (meteorology)Grain boundary strengtheningGrain boundaryComposite materialMicrostructureNanotechnologySurface Treatment and Residual StressMicrostructure and mechanical propertiesMetal Alloys Wear and Properties