Three dimensional atom probe investigation on the formation of Al3(Sc,Zr)-dispersoids in aluminium alloys

被引：207

作者：

Forbord, B

Lefebvre, W

Danoix, F ^{[1
]}

Hallem, H

Marthinsen, K

机构：

[1] Univ Rouen, CNRS, UMR 6634, Grp Phys Mat, F-76801 St Etienne, France

[2] SINTEF Mat Technol, N-7465 Trondheim, Norway

[3] Norwegian Univ Sci & Technol, N-7491 Trondheim, Norway

来源：

SCRIPTA MATERIALIA | 2004年 / 51卷 / 04期

关键词：

aluminium alloys; rare earth; dispersoids; nucleation; 3DAP;

D O I：

10.1016/j.scriptamat.2004.03.033

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Three dimensional atom-probe (3DAP) has been applied in order to study the nucleation of small, spherical and coherent Al-3(Sc,Zr)-dispersoids. The results indicate that Al-3(Sc,Zr) in the beginning of the nucleation process mainly consist of Al and Sc, while Zr enters the dispersoids at a later stage, i.e. relatively Zr-rich shells seem to form around Sc-rich cores. (C) 2004 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.

引用

页码：333 / 337

页数：5

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