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Computational Mechanics

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22-08-2017 | Original Paper

Effect of microstructure on the elasto-viscoplastic deformation of dual phase titanium structures

Authors: Tugce Ozturk, Anthony D. Rollett

Published in: Computational Mechanics | Issue 1-2/2018

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Abstract

The present study is devoted to the creation of a process–structure–property database for dual phase titanium alloys, through a synthetic microstructure generation method and a mesh-free fast Fourier transform based micromechanical model that operates on a discretized image of the microstructure. A sensitivity analysis is performed as a precursor to determine the statistically representative volume element size for creating 3D synthetic microstructures based on additively manufactured Ti–6Al–4V characteristics, which are further modified to expand the database for features of interest, e.g., lath thickness. Sets of titanium hardening parameters are extracted from literature, and The relative effect of the chosen microstructural features is quantified through comparisons of average and local field distributions.

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Title: Effect of microstructure on the elasto-viscoplastic deformation of dual phase titanium structures
Authors: Tugce Ozturk
Anthony D. Rollett
Publication date: 22-08-2017
Publisher: Springer Berlin Heidelberg
Published in: Computational Mechanics / Issue 1-2/2018
Print ISSN: 0178-7675
Electronic ISSN: 1432-0924
DOI: https://doi.org/10.1007/s00466-017-1467-3

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