Clustering and precipitation processes in microalloyed aluminium alloys

Simon P. Ringer; Christopher R. Hutchinson; Kazuhiro Hono; Ian J. Polmear; Toshio Sakurai

Clustering and precipitation processes in microalloyed aluminium alloys

Simon P. Ringer, Christopher R. Hutchinson, Kazuhiro Hono, Ian J. Polmear, Toshio Sakurai

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

Abstract

Recent progress in understanding the origins of hardening in Al-1.7Cu-0.01Sn (at. %) and Al-1.1Cu-1.7Mg-(0.1Ag, 0.3-0.5Si) (at. %) microalloyed alloys is presented. The results of systematic studies involving atom probe field ion microscopy in conjunction with transmission electron microscopy indicate that the precipitation processes depend to a considerable degree upon the nature of pre-precipitate clustering reactions which occur early in the decomposition of the solid solution. Furthermore, it is shown that the presence of these co-clusters can influence significantly the alloy properties.

Original language	English
Pages (from-to)	241-251
Number of pages	11
Journal	Science Reports of the Rerearch Institutes Tohoku University Series A-Physics
Volume	44
Issue number	2
Publication status	Published - 1997 Mar 1

Keywords

Atom probe field ion microscopy
Atomic clustering
Light alloys
Precipitation
Transmission electron microscopy

ASJC Scopus subject areas

Condensed Matter Physics
Metals and Alloys

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abstract = "Recent progress in understanding the origins of hardening in Al-1.7Cu-0.01Sn (at. %) and Al-1.1Cu-1.7Mg-(0.1Ag, 0.3-0.5Si) (at. %) microalloyed alloys is presented. The results of systematic studies involving atom probe field ion microscopy in conjunction with transmission electron microscopy indicate that the precipitation processes depend to a considerable degree upon the nature of pre-precipitate clustering reactions which occur early in the decomposition of the solid solution. Furthermore, it is shown that the presence of these co-clusters can influence significantly the alloy properties.",

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T1 - Clustering and precipitation processes in microalloyed aluminium alloys

AU - Ringer, Simon P.

AU - Hutchinson, Christopher R.

AU - Hono, Kazuhiro

AU - Polmear, Ian J.

AU - Sakurai, Toshio

PY - 1997/3/1

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N2 - Recent progress in understanding the origins of hardening in Al-1.7Cu-0.01Sn (at. %) and Al-1.1Cu-1.7Mg-(0.1Ag, 0.3-0.5Si) (at. %) microalloyed alloys is presented. The results of systematic studies involving atom probe field ion microscopy in conjunction with transmission electron microscopy indicate that the precipitation processes depend to a considerable degree upon the nature of pre-precipitate clustering reactions which occur early in the decomposition of the solid solution. Furthermore, it is shown that the presence of these co-clusters can influence significantly the alloy properties.

AB - Recent progress in understanding the origins of hardening in Al-1.7Cu-0.01Sn (at. %) and Al-1.1Cu-1.7Mg-(0.1Ag, 0.3-0.5Si) (at. %) microalloyed alloys is presented. The results of systematic studies involving atom probe field ion microscopy in conjunction with transmission electron microscopy indicate that the precipitation processes depend to a considerable degree upon the nature of pre-precipitate clustering reactions which occur early in the decomposition of the solid solution. Furthermore, it is shown that the presence of these co-clusters can influence significantly the alloy properties.

KW - Atom probe field ion microscopy

KW - Atomic clustering

KW - Light alloys

KW - Precipitation

KW - Transmission electron microscopy

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