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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2016, Volume 53, Issue 1, 179-183



Nicolae Serban, Doina Raducanu, Mihai Butu, Vasile Danut Cojocaru

Crystallite Size and Lattice Strain Evolution in a Nanostructured 6063-T1 Aluminum Alloy Processed by Equal Channel Angular Pressing


Abstract:
Equal Channel Angular Pressing (ECAP) is the most emblematic technique for producing bulk nanostructured materials and ultrafine grained materials (UFG) through severe plastic deformation. In this study, we examined a 6063-T1 aluminum alloy, subjected to ECAP processing at room temperature for one, three, six and nine passes respectively, using a 90° die and the processing route BC. The as-received and ECAP processed samples were firstly analyzed in OES experiments, the accumulated equivalent strain being also estimated based on ECAP die geometry and on the number of passes. All specimens were investigated as well in XRD tests for phase identification. Williamson-Hall method was used for evaluating the crystallite size and the lattice strain. Some correlations with the main processing parameters were also established.


Keywords:
XRD analysis; Williamson-Hall method; severe plastic deformation; equal channel angular pressing; nanostructured aluminum

Issue: 2016 Volume 53, Issue 1
Pages: 179-183
Publication date: 2016/3/30
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