5 papers
Sensitivity of grain-averaged elastic strain and orientation predictions on the mesh density and boundary conditions in crystal plasticity finite element simulations
Jeremiah Lethoba, Romain Quey, Darren C. Pagan +1
Combined high-energy X-ray diffraction microscopy (HEDM) and crystal plasticity finite element (CPFE) modeling studies have emerged as a preferred paradigm to shed insight into the…
Integrated Experiment and Simulation Co-Design: A Key Infrastructure for Predictive Mesoscale Materials Modeling
Shailendra P. Joshi, Ashley Bucsek, Darren C. Pagan +10
The design of structural & functional materials for specialized applications is being fueled by rapid advancements in materials synthesis, characterization, manufacturing, with sop…
Orientation reconstruction of transformation titanium alloys via polarized light microscopy: methodology and assessment
Amit Singh, Mark Obstalecki, Darren C. Pagan +2
Emerging microstructural characterization methods have received increased attention owing to their promise of relatively inexpensive and rapid measurement of polycrystalline surfac…
Revisiting first-principles thermodynamics by quasiharmonic approach: Application to study thermal expansion of additively-manufactured Inconel 625
Shun-Li Shang, Rushi Gong, Michael C. Gao +2
An innovative method is developed for accurate determination of thermodynamic properties as a function of temperature by revisiting the density functional theory (DFT) based quasih…
Depth-Resolved Characterization of Centrifugal Disk Finishing of Additively Manufactured Inconel 718
Kenneth M. Peterson, Mustafa Rifat, Edward C. DeMeter +2
Surface characteristics are a major contributor to the in-service performance, particularly fatigue life, of additively manufactured (AM) components. Centrifugal disk finishing (CD…