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Meeting MS&T21: Materials Science & Technology
Symposium Late News Poster Session
Presentation Title P3-30: Grain Size-texture Coupling in Crystal Plasticity Finite Element Modeling : Application to Magnesium Alloys
Author(s) Aaditya Lakshmanan, Mohsen Taheri Andani, Veera Sundararaghavan, Amit Misra, John Allison
On-Site Speaker (Planned) Aaditya Lakshmanan
Abstract Scope Grain size refinement is a ubiquitous approach to strengthening the mechanical properties of polycrystalline alloys. The Hall-Petch effect, which refers to a linear relationship between the yield strength and inverse square-root of the average grain size, provides an avenue to phenomenologically capture this strengthening. Crystal plasticity modeling provides a general framework to simulate plasticity in polycrystals while considering the underlying microstructure. In our work, we extend the Hall-Petch relationship to the slip system level to modify the slip system resistance, where the relevant size is the slip system-level grain size, different for each point in the microstructure. The slip system-level Hall-Petch coefficient is modified to include grain boundary information via a power-law dependence on the crystallographic compatibility factor. This method is used to demonstrate the texture-dependent grain-size effect in Mg-4Al (wt %) alloys, employing crystal plasticity finite element simulations via the PRISMS-CPFE open-source software.
Proceedings Inclusion? Undecided


Extrinsic Size Effects on Fracture Behaviour of Copper
Fabrication of Doped β-tricalcium Phosphate Bioceramics by Robocasting for Bone Repair Applications
Hybrid Additive/Subtractive System of Ceramic Materials: Investigation of Powder, Process and Innovative Post-treatments
LSTM Model to Predict Low-cycle Fatigue in IN718
Microstructural Conditioning to Reveal Prior Austenitic Grain Using the Oxidation Method
Nanoindentation Studies on Friction Stir Processed Dual Phase High Entropy Alloy
P1-17: Hydrogen Induced Photodarkening of Cu-doped B-Ga2O3 Czochralski Single Crystals
P1-27: Polyurea Tensile Tests at High Strain Rates
P1-34: Resilient SiOC/Epoxy Nanocomposites
P1-35: Spectroscopic Studies of Nd3+ Doped KY3F10 Nanoparticles
P1-5: Oxidation Protection of AlN/BN via Al18B4O33
P1-6: Luminescence Thermometry – a Fad or a Challenge?
P1-7: Preparation and Structural Evolution of Si(O)CN Fibers Prepared via Hand Spinning of a Modified Silazane Oligomer
P2-10: Correlation between Shear Strength and PU Foam Density with Respect to Aging Time in District Heating Pipe
P2-29: Porous Metal Micro-pillars by Thermomechanical Molding
P2-9: Computational Fluid Dynamics Modeling of Enhanced Convective Heat Transfer Using Twisted Tape Insert
P3-10: Additively Manufactured 718 Ni Alloys with Oxide Nanoparticles
P3-11: CALPHAD-based Alloy Design and Uncertainty Quantification for Additive Manufacturing
P3-13: Effect of Heat Treatment on Microstructure and Corrosion Behavior of Additively Manufactured 7050 Aluminum Alloy
P3-26: Introducing Heusler Fe2SiTi Intermetallic as a New Strengthening Precipitate for High Strength Low Alloy Steels
P3-27: Understanding the Load Response Behavior of Martensite, Bainite and Accompanied Retained Austenite in a High Carbon Bearing Steel
P3-28: Fatigue Analysis of a Spring Coil Structure under Cyclic Loading Conditions
P3-29: Finite Element Modeling of Sheet Metal Bending Process
P3-30: Grain Size-texture Coupling in Crystal Plasticity Finite Element Modeling : Application to Magnesium Alloys
P3-31: Reactive Phase Formation: Kinetics and Associated Microstructure Evolution
P3-32: Understanding Mechanical Behavior of Basketball Hoops Using Finite Element Modeling
Scanning Strategies Investigation for Powder Bed Selective Laser Processing of Alumina
Texture Evolution during the High Temperature Heat Treatment of Additively Manufactured IN718

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