Quantifying Damage Accumulation Using State-of-the-Art FFT Method

Reeju Pokharel; S. F. Li; J. Lind; C. M. Hefferan; U. Lienert; R. A. Lebensohn; R.M. Suter; A.D. Rollett

doi:10.4028/www.scientific.net/MSF.702-703.515

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HomeMaterials Science ForumMaterials Science Forum Vols. 702-703Quantifying Damage Accumulation Using...

Quantifying Damage Accumulation Using State-of-the-Art FFT Method

Abstract:

A 3D microstructure, measured by high-energy x-ray diffraction microscopy, is used as an input to a parallelized viscoplastic Fast Fourier Transform code (VPFFT) to simulate a tensile test. Distributions of strain, damage accumulation, neighbor interactions, and Schmid factor mismatch throughout the microstructure are calculated. These results will form the basis of a direct comparison to microstructure maps that track plastic deformation in the real sample.

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Materials Science Forum (Volumes 702-703)

Pages:

515-518

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.702-703.515

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Online since:

December 2011

Authors:

Reeju Pokharel, S. F. Li, J. Lind, C. M. Hefferan, U. Lienert, R. A. Lebensohn, R.M. Suter, A.D. Rollett

Keywords:

3D Microstructure, FFT Simulation, HEDM, Viscoplastic Deformation

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References

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