Search Results - "Boyce, Donald E."

Modeling strain hardening and texture evolution in friction stir welding of stainless steel by Cho, Jae-Hyung, Boyce, Donald E., Dawson, Paul R.

“…Steady-state friction stir welding of stainless steel has been modeled using an Eulerian formulation that considers coupled viscoplastic flow and heat transfer…”
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Discrete spherical harmonic functions for texture representation and analysis by Singh, Saransh, Boyce, Donald E., Bernier, Joel V., Barton, Nathan R.

“…A basis of discrete harmonic functions for efficient representation and analysis of crystallographic texture is presented. Discrete harmonics are a numerical…”
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The use of discrete harmonics in direct multi-scale embedding of polycrystal plasticity by Barton, Nathan R., Bernier, Joel V., Lebensohn, Ricardo A., Boyce, Donald E.

“…We describe an approach for directly embedding polycrystal plasticity models in component scale calculations, with an emphasis on computational tractability…”
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A novel optimization-based pole-figure inversion method: comparison with WIMV and maximum entropy methods by Bernier, Joel V., Miller, Matthew P., Boyce, Donald E.

“…An optimization‐based method for pole‐figure (PF) inversion that utilizes the orientation distribution function (ODF) gradient for conditional control of the…”
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The Design of a Software Environment for Organizing, Sharing, and Archiving Materials Data by Boyce, Donald E., Dawson, Paul R., Miller, Matthew P.

“…A versatile system for organizing, sharing, and archiving materials data is presented. The system structure is based on a division between the primary, numeric…”
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Correlation of diffraction peak broadening to crystal strengthening in finite element simulations by Dawson, Paul R., Boyce, Donald E., Rogge, Ronald B.

“…Trends in the evolution of the distributions of crystal slip system strength and lattice strain were collected from finite element simulations of tensile…”
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An isoparametric piecewise representation of the anisotropic strength of polycrystalline solids by Dawson, Paul R., Boyce, Donald E., Hale, Ryan, Durkot, John P.

“…A methodology for representing the anisotropic strength of polycrystalline solids using an isoparametric mapping is presented. A four-dimensional hypersphere…”
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Determining the strengths of HCP slip systems using harmonic analyses of lattice strain distributions by Dawson, Paul R., Boyce, Donald E., Park, Jun-Sang, Wielewski, Euan, Miller, Matthew P.

“…A robust methodology is presented to extract slip system strengths from lattice strain distributions for polycrystalline samples obtained from high-energy…”
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A methodology to determine the elastic moduli of crystals by matching experimental and simulated lattice strain pole figures using discrete harmonics by Wielewski, Euan, Boyce, Donald E., Park, Jun-Sang, Miller, Matthew P., Dawson, Paul R.

“…Determining reliable single crystal material parameters for complex polycrystalline materials is a significant challenge for the materials community. In this…”
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Grain-resolved temperature-dependent anisotropy in hexagonal Ti-7Al revealed by synchrotron X-ray diffraction by Lim, Rachel E., Pagan, Darren C., Boyce, Donald E., Bernier, Joel V., Shade, Paul A., Rollett, Anthony D.

“…Hexagonal metals have anisotropic coefficients of thermal expansion causing grain-level internal stresses during heating. High energy x-ray diffraction…”
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Determining the strengths of HCP slip systems using harmonic analyses of lattice strain distributions by Dawson, Paul R., Boyce, Donald E., Park, Jun-Sang, Wielewski, Euan, Miller, Matthew P.

“…A robust methodology is presented to extract slip system strengths from lattice strain distributions for polycrystalline samples obtained from high-energy…”
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The use of discrete harmonics in direct multi-scale embedding of polycrystal plasticity by Barton, Nathan R., Bernier, Joel V., Lebensohn, Ricardo A., Boyce, Donald E.

“…In this work, we describe an approach for directly embedding polycrystal plasticity models in component scale calculations, with an emphasis on computational…”
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A Comparison of Deformation Textures and Mechanical Properties Predicted by Different Crystal Plasticity Codes by Hartley, Craig S, Dawson, Paul R, Boyce, Donald E, Kalidindi, Surya R, Knezevic, Marko, Tomé, Carlos, Lebensohn, Ricardo, Semiatin, S. Lee, Turner, Todd J, Salem, Ayman A

“…This chapter contains sections titled: Introduction Material Parameters and Computational Details Results Discussion and Conclusions Acknowledgements References…”
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Correlation of diffraction peak broadening to crystal strengthening in finite element simulations : Measurement and Interpretation of Internal/Residual Stresses by DAWSON, Paul R, BOYCE, Donald E, ROGGE, Ronald B

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Grain-Resolved Temperature-Dependent Anisotropy in Hexagonal Ti-7Al Revealed by Synchrotron X-Ray Diffraction by Lim, Rachel E, Pagan, Darren C, Boyce, Donald E, Bernier, Joel V, Shade, Paul A, Rollett, Anthony D

“…Hexagonal metals have anisotropic coefficients of thermal expansion causing grain-level internal stresses during heating. High energy x-ray diffraction…”
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FEpX -- Finite Element Polycrystals: Theory, Finite Element Formulation, Numerical Implementation and Illustrative Examples by Dawson, Paul R, Boyce, Donald E

“…FEpX is a modeling framework for computing the elastoplastic deformations of polycrystalline solids. Using the framework, one can simulate the mechanical…”
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A Methodology to Determine Tooling Interface Temperature and Traction Conditions from Measured Force and Torque in Materials Processing Simulations Based on Multimesh Error Estimation by Dawson, Paul R, Boyce, Donald E

“…A methodology is presented for estimating average values for the temperature and the frictional traction over a tool-workpiece interface using measured values…”
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