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Microstructure investigation of equal channel angular pressed aluminium by X-ray diffraction and scanning electron microscopy

✍ Scribed by A. Korchef; N. Njah; A. W. Kolsi

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 196 KB
Volume: 44
Category: Article
ISSN: 0232-1300
DOI: 10.1002/crat.200800131

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✦ Synopsis

Abstract

In the present work, investigations on the microstructure of a commercial purity 1100 aluminum that had been subjected to moderate to strong deformation (strains of 1 to 4) by equal channel angular pressing (ECAP) were carried out using X‐ray diffraction (XRD) and scanning electron microcopy (SEM). A significant grain refinement and development of heterogeneous microstructure after ECAP were observed. High precision XRD and SEM investigations provided useful results on the dissolution of coherent iron rich precipitates, previously formed in the aluminium matrix, by ECAP deformation process. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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