Determining the strengths of HCP slip systems using harmonic analyses of lattice strain distributions
Abstract
A robust methodology is presented to extract slip system strengths from lattice strain distributions for polycrystalline samples obtained from high-energy x-ray diffraction (HEXD) experiments with in situ loading. The methodology consists of matching the evolution of coefficients of a harmonic expansion of the distributions from simulation to the coefficients derived from measurements. Simulation results are generated via finite element simulations of virtual polycrystals that are subjected to the loading history applied in the HEXD experiments. Advantages of the methodology include: (1) its ability to utilize extensive data sets generated by HEXD experiments; (2) its ability to capture trends in distributions that may be noisy (both measured and simulated); and (3) its sensitivity to the ratios of the family strengths. The approach is used to evaluate the slip system strengths of Ti-6Al-4V using samples having relatively equiaxed grains. These strength estimates are compared to values in the literature.
- Authors:
-
- Cornell Univ., Ithaca, NY (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Univ. of Glasgow, Scotland (United Kingdom)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- Cornell High Energy Synchrotron Source (CHESS); US Department of the Navy, Office of Naval Research (ONR); National Science Foundation (NSF); National Institutes of Health (NIH) - National Institute of General Medical Sciences
- OSTI Identifier:
- 1426773
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Acta Materialia
- Additional Journal Information:
- Journal Volume: 144; Journal Issue: C; Journal ID: ISSN 1359-6454
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Dawson, Paul R., Boyce, Donald E., Park, Jun-Sang, Wielewski, Euan, and Miller, Matthew P. Determining the strengths of HCP slip systems using harmonic analyses of lattice strain distributions. United States: N. p., 2017.
Web. doi:10.1016/j.actamat.2017.10.032.
Dawson, Paul R., Boyce, Donald E., Park, Jun-Sang, Wielewski, Euan, & Miller, Matthew P. Determining the strengths of HCP slip systems using harmonic analyses of lattice strain distributions. United States. https://doi.org/10.1016/j.actamat.2017.10.032
Dawson, Paul R., Boyce, Donald E., Park, Jun-Sang, Wielewski, Euan, and Miller, Matthew P. Sun .
"Determining the strengths of HCP slip systems using harmonic analyses of lattice strain distributions". United States. https://doi.org/10.1016/j.actamat.2017.10.032. https://www.osti.gov/servlets/purl/1426773.
@article{osti_1426773,
title = {Determining the strengths of HCP slip systems using harmonic analyses of lattice strain distributions},
author = {Dawson, Paul R. and Boyce, Donald E. and Park, Jun-Sang and Wielewski, Euan and Miller, Matthew P.},
abstractNote = {A robust methodology is presented to extract slip system strengths from lattice strain distributions for polycrystalline samples obtained from high-energy x-ray diffraction (HEXD) experiments with in situ loading. The methodology consists of matching the evolution of coefficients of a harmonic expansion of the distributions from simulation to the coefficients derived from measurements. Simulation results are generated via finite element simulations of virtual polycrystals that are subjected to the loading history applied in the HEXD experiments. Advantages of the methodology include: (1) its ability to utilize extensive data sets generated by HEXD experiments; (2) its ability to capture trends in distributions that may be noisy (both measured and simulated); and (3) its sensitivity to the ratios of the family strengths. The approach is used to evaluate the slip system strengths of Ti-6Al-4V using samples having relatively equiaxed grains. These strength estimates are compared to values in the literature.},
doi = {10.1016/j.actamat.2017.10.032},
journal = {Acta Materialia},
number = C,
volume = 144,
place = {United States},
year = {Sun Oct 15 00:00:00 EDT 2017},
month = {Sun Oct 15 00:00:00 EDT 2017}
}
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Works referencing / citing this record:
Estimation of Errors in Stress Distributions Computed in Finite Element Simulations of Polycrystals
journal, November 2019
- Chatterjee, Kamalika; Carson, Robert A.; Dawson, Paul R.
- Integrating Materials and Manufacturing Innovation, Vol. 8, Issue 4