Composition of β″ precipitates in Al–Mg–Si alloys by atom probe tomography and first principles calculations

S. Hasting, H.; G. Frøseth, A.; J. Andersen, Sigmund; Vissers, R.; C. Walmsley, John; D. Marioara, Calin; Danoix, F.; Lefebvre, Williams; Holmestad, Randi

doi:10.1063/1.3269714

Public

Composition of β″ precipitates in Al–Mg–Si alloys by atom probe tomography and first principles calculations

Published in Journal of Applied Physics • Dec 15, 2009

Authors:

H. S. Hasting

A. G. Frøseth

Sigmund J. Andersen

Abstract

The composition of β″ precipitates in an Al–Mg–Si alloy has been investigated by atom probe tomography, ab initio density functional calculations, and quantitative electron diffraction. Atom probe analysis of an Al-0.72% Si-0.58% Mg (at. %) alloy heat treated at 175 °C for 36 h shows that the β″ pha...

Subject

Atom probe

Alloy

Ab initio quantum chemistry methods

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