Titre :

Blind source separation aided characterization of the γ′ strengthening phase in an advanced nickel-based superalloy by spectroscopic 4D electron microscopy

Auteur(s) :

Rossouw, David [Auteur]
University of Cambridge [UK] [CAM]
Krakow, Robert [Auteur]
University of Cambridge [UK] [CAM]
Saghi, Zineb [Auteur]
University of Cambridge [UK] [CAM]
Yeoh, Catriona S.M. [Auteur]
University of Cambridge [UK] [CAM]
Burdet, Pierre [Auteur]
University of Cambridge [UK] [CAM]
Leary, Rowan K. [Auteur]
University of Cambridge [UK] [CAM]
de la Peña, Francisco [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Ducati, Caterina [Auteur]
University of Cambridge [UK] [CAM]
Rae, Catherine M.F. [Auteur]
University of Cambridge [UK] [CAM]
Midgley, Paul A. [Auteur]
University of Cambridge [UK] [CAM]

Titre de la revue :

Acta Materialia

Nom court de la revue :

Acta Materialia

Numéro :

107

Pagination :

229-238

Éditeur :

Elsevier BV

Date de publication :

2016-04

ISSN :

1359-6454

Discipline(s) HAL :

Chimie/Matériaux
Physique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
Physique [physics]/Physique [physics]/Géophysique [physics.geo-ph]
Physique [physics]/Astrophysique [astro-ph]
Planète et Univers [physics]/Astrophysique [astro-ph]
Planète et Univers [physics]/Sciences de la Terre

Résumé en anglais : [en]

The γ′ strengthening phase in an advanced nickel-based superalloy, ATI 718Plus, was characterized using a blind source separation applied to a four dimensional X-ray microanalysis dataset obtained by scanning transmission ...
Lire la suite >The γ′ strengthening phase in an advanced nickel-based superalloy, ATI 718Plus, was characterized using a blind source separation applied to a four dimensional X-ray microanalysis dataset obtained by scanning transmission electron microscopy. Selected patterns in the X-ray spectra identified by independent component analysis were found to be spatially and chemically representative of the matrix (γ) and precipitate phases (γ′) present in the superalloy, enabling their size, shape and distribution to be determined. The three dimensional chemical reconstruction of the microstructure may provide insight into the role of the various alloying elements in the evolution of the microstructure at the nano-scale.Lire moins >

Langue :

Anglais

Audience :

Internationale

Vulgarisation :

Non

Établissement(s) :

Université de Lille
CNRS
INRAE
ENSCL

Collections :

• Unité Matériaux et Transformations (UMET) - UMR 8207

Équipe(s) de recherche :

Matériaux Terrestres et Planétaires

Date de dépôt :

2024-02-01T09:47:21Z
2024-02-02T09:47:57Z