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Submicroscopic and atomic scale structure changes during decomposition of Al alloys: a position annihilation study

: Dlubek, G.; Depetasse, S.; Sourkov, A.; Meyendorf, N.; Krause-Rehberg, R.

Michel, B.; Winkler, T.; Werner, M.; Fecht, H.-J. ; Fraunhofer-Institut für Zuverlässigkeit und Mikrointegration -IZM-, Berlin; Deutscher Verband für Materialforschung und -prüfung e.V. -DVM-, Berlin:
MicroMat 2000. Proceedings 3rd International Conference and Exhibition Micro Materials : April 17 - 19, 2000, Berlin, Germany
Dresden: ddp Goldenbogen, 2000
ISBN: 3-932434-15-3
Micro Materials (Micro Mat) <3, 2000, Berlin>
Conference Paper
Fraunhofer IZFP ()
AlCuMg alloy; AlSi1 microwire; precipitation; positron annihilation

Positron annihilatation techniques are use to study the precipitation processes in quenched Al alloys of the type AlCu1.9, AlCu2.0Mg1.7 and AlSi1 at-%. From the experiments conclusions are drawn with respect to the structure and chemistry of nanometer-size precipitations which are responsible for the improved mechanical properties of these alloys.