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Local composition and nanoindentation response of δ-phase and adjacent γ′′-free zone in a Ni-based superalloy

Experimental differentiation of individual strengthening effects from the nanoscale precipitates in Alloy 718 remains challenging due to co-precipitation of γ′ and γ′′. Here, we examine a region adjacent to the δ-phase consisting of γ-matrix containing γ′-precipitates only. The width and composition...

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Main Authors: Vitor Vieira Rielli, Felix Theska, Yin Yao, James P. Best, Sophie Primig
Format: Artigo
Language:Inglês
Published: Taylor & Francis Group 2022-05-01
Series:Materials Research Letters
Subjects:
Superalloy
δ-phase
precipitates
γ′′-free zone
nanoindentation
Online Access:https://www.tandfonline.com/doi/10.1080/21663831.2022.2047817
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