The effect of strain reversal during high pressure torsion on the microstructure evolution and texture of aluminum alloys

Chadha, Kanwal, Bhattacharjee, Pinaki Prasad et Jahazi, Mohammad. 2015. « The effect of strain reversal during high pressure torsion on the microstructure evolution and texture of aluminum alloys ». In Characterization of Minerals, Metals, and Materials 2015 - TMS 2015 144th Annual Meeting and Exhibition, March 15, 2015 - March 19, 2015 (Orlando, FL, USA, March 15-19, 2015) Coll. « TMS Annual Meeting » pp. 107-114. Minerals, Metals and Materials Society.
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Résumé

The present work investigated the effect of strain reversal during high pressure torsion on the evolution of microstructure, texture and hardness properties of two different materials with different dynamic recovery behavior, namely, high purity (99%) Aluminum (2N-Al) and Aluminum-Magnesium (Al-2.5%Mg) alloy. In the two aluminum alloys subjected to different routes, the evolution of the ultrafine structure followed same trend. At lower strain level, sub grains with prominent LAGBs network were observed and at higher strains, ultrafine equiaxed grains separated by HAGBs were observed throughout the disk. The texture evolution in monotonically and strain reversal processed 2N-Al and Al-2.5%Mg showed presence of typical torsion texture components at different strain levels. The strength of the components was observed to follow different trends depending on the processing routes.

Type de document:	Compte rendu de conférence
Professeur:	Professeur Jahazi, Mohammad
Affiliation:	Génie mécanique
Date de dépôt:	20 oct. 2015 18:10
Dernière modification:	13 avr. 2023 16:08
URI:	https://espace2.etsmtl.ca/id/eprint/11611

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