Texture Development in a Model Al-Li Alloy Subjected to Severe Plastic Deformation

Bogusława Adamczyk-Cieślak; Jaroslaw Mizera; Krzysztof Jan Kurzydlowski

doi:10.4028/www.scientific.net/SSP.114.337

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HomeSolid State PhenomenaSolid State Phenomena Vol. 114Texture Development in a Model Al-Li Alloy...

Texture Development in a Model Al-Li Alloy Subjected to Severe Plastic Deformation

Abstract:

The texture of Al – 0.7 wt. % Li alloy processed by two different methods of severe plastic deformation (SPD) has been investigated by X-ray diffraction, and analyzed in terms of the orientation distribution function (ODF). It was found that severe plastic deformation by both Equal Channel Angular extrusion (ECAE) and Hydrostatic Extrusion (HE) resulted in an ultrafine grained structure in an Al – 0.7 wt. % Li alloy. The microstructure, grain shape and size, of materials produced by SPD strongly depend on the technological parameters and methods applied. The texture of the investigated alloy differed because of the different modes of deformation. In the initial state the alloy exhibited a very strong texture consisting of {111} fibre component. A similar fibrous texture characteristic was also found after HE whereas after the ECAE the initial texture was completely changed.

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Periodical:

Solid State Phenomena (Volume 114)

Pages:

337-344

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.114.337

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Online since:

July 2006

Authors:

Bogusława Adamczyk-Cieślak, Jaroslaw Mizera, Krzysztof Jan Kurzydlowski

Keywords:

Aluminium Alloy, Equal Channel Angular Extrusion (ECAE), Hydrostatic Extrusion (HE), Texture

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