Stacking fault tetrahedra in metals

Michael Loretto; P. J. Phillips; M. J. Mills

doi:10.1016/j.scriptamat.2014.07.020

Stacking fault tetrahedra in metals

Michael Loretto
, P. J. Phillips
, M. J. Mills

Metallurgy and Materials

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

Mechanisms for the formation of stacking fault tetrahedra in metals are critically reviewed in the light of recent observations, where it is claimed, incorrectly, that for the first time stacking fault tetrahedra have been observed, which are formed by a dislocation mechanism, without the involvement of vacancies. In this note the experimental conditions where stacking fault tetrahedra have been observed are defined, together with the mechanisms that have been put forward to explain the observations. Three fundamentally different mechanisms are identified.

Original language	English
Pages (from-to)	1-4
Journal	Scripta Materialia
Volume	94
Issue number	1
Early online date	6 Sept 2014
DOIs	https://doi.org/10.1016/j.scriptamat.2014.07.020
Publication status	Published - 1 Jan 2015

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AB - Mechanisms for the formation of stacking fault tetrahedra in metals are critically reviewed in the light of recent observations, where it is claimed, incorrectly, that for the first time stacking fault tetrahedra have been observed, which are formed by a dislocation mechanism, without the involvement of vacancies. In this note the experimental conditions where stacking fault tetrahedra have been observed are defined, together with the mechanisms that have been put forward to explain the observations. Three fundamentally different mechanisms are identified.

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Stacking fault tetrahedra in metals

Abstract

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