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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Acknowledgements
This research is supported by the National Science Foundation, under the Award No. DMREF-1435544. For computing resources, this research extensively used local computer clusters and resources of the National Energy Research Scientific Computing Center, a DOE Office of Science User Facility supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. Dr. Ricardo Lebensohn is acknowledged for his FFT based models and his valuable support on the code/algorithm development.
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Ozturk, T., Rollett, A.D. Effect of microstructure on the elasto-viscoplastic deformation of dual phase titanium structures. Comput Mech 61, 55–70 (2018). https://doi.org/10.1007/s00466-017-1467-3
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DOI: https://doi.org/10.1007/s00466-017-1467-3