Guinier-Preston (GP) zone revisited: Atomic level observation by HAADF-TEM technique

Toyohiko Konno; K. Hiraga; M. Kawasaki

doi:10.1016/S1359-6462(01)00909-5

Guinier-Preston (GP) zone revisited: Atomic level observation by HAADF-TEM technique

Toyohiko Konno, K. Hiraga, M. Kawasaki

Materials Processing and Characterization Division

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

40 Citations (Scopus)

Abstract

It is shown that the high-angle annular detector dark field (HAADF) method with sufficiently small probe size can eliminate ambiguities in identifying precipitates without losing resolution. The intercalation of monatomic Cu plates are resolved in the early stage of the Guinier-Preston (GP) zone formation. In the second stage, monatomic Cu layers sandwiching three Al layers are chemically identified.

Original language	English
Pages (from-to)	2303-2307
Number of pages	5
Journal	Scripta Materialia
Volume	44
Issue number	8-9
DOIs	https://doi.org/10.1016/S1359-6462(01)00909-5
Publication status	Published - 2001 May 18

Keywords

Al alloys
Microstructure
Phase transformations
Transmission electron microscopy (TEM)

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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abstract = "It is shown that the high-angle annular detector dark field (HAADF) method with sufficiently small probe size can eliminate ambiguities in identifying precipitates without losing resolution. The intercalation of monatomic Cu plates are resolved in the early stage of the Guinier-Preston (GP) zone formation. In the second stage, monatomic Cu layers sandwiching three Al layers are chemically identified.",

keywords = "Al alloys, Microstructure, Phase transformations, Transmission electron microscopy (TEM)",

author = "Toyohiko Konno and K. Hiraga and M. Kawasaki",

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T2 - Atomic level observation by HAADF-TEM technique

AU - Konno, Toyohiko

AU - Hiraga, K.

AU - Kawasaki, M.

PY - 2001/5/18

Y1 - 2001/5/18

N2 - It is shown that the high-angle annular detector dark field (HAADF) method with sufficiently small probe size can eliminate ambiguities in identifying precipitates without losing resolution. The intercalation of monatomic Cu plates are resolved in the early stage of the Guinier-Preston (GP) zone formation. In the second stage, monatomic Cu layers sandwiching three Al layers are chemically identified.

AB - It is shown that the high-angle annular detector dark field (HAADF) method with sufficiently small probe size can eliminate ambiguities in identifying precipitates without losing resolution. The intercalation of monatomic Cu plates are resolved in the early stage of the Guinier-Preston (GP) zone formation. In the second stage, monatomic Cu layers sandwiching three Al layers are chemically identified.

KW - Al alloys

KW - Microstructure

KW - Phase transformations

KW - Transmission electron microscopy (TEM)

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