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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Fatigue in Materials: Fundamentals, Multiscale Modeling and Prevention
Presentation Title Effect of Pore Voxel Size on Driving Forces for Fatigue Crack Initiation in a Single Crystal Ni-Base Superalloy
Author(s) William D. Musinski, Michael Groeber, Michael Uchic
On-Site Speaker (Planned) William D. Musinski
Abstract Scope Integration of high-fidelity experimental 3D microstructural data into crystal plasticity finite element method (CPFEM) models is necessary for the next generation of microstructure-sensitive life prediction models. As 3D serial sectioning measurement techniques become more and more refined, the 3D data sets can become prohibitively large for 3D CPFEM simulations. For single crystal (SX) Ni-base superalloys, pores often drive fatigue life. In this work, 3D voxelated pore meshes are populated through combined serial sectioning and digital reconstruction (DREAM.3D) of a SX Ni-base superalloy blade material. To determine the effect of pore mesh refinement, different pore voxel/mesh refinements were simulated using CPFEM simulations to determine the ideal mesh size for estimating the driving force for fatigue crack initiation/propagation. This work can help identify how refined serial sectioning should be for accurate computational model prediction of fatigue/failure in SX Ni-base superalloy components.
Proceedings Inclusion? Planned: Publication Outside of TMS (Indicate publication title and publisher if known.)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Characterization of the Propagation of Physically Small Fatigue Cracks in Forged High Strength Steels
A 3-D Model for Quantification of Fatigue Weaklink Strength in an A713 Cast Aluminum Alloy (Note: This presentation will also appear in the poster session.)
A 3-D Understanding of the Anisotropy in Fatigue Crack Nucleation in an AA7075 T651 Al Alloy Plate
Advances in Modeling of Fatigue Thresholds
Crystal Plasticity Finite Element Modelling of Fatigue Crack Nucleation from Non-metallic Inclusions in PM Nickel Based Superalloy
Design for Fatigue Crack Growth Resistance in Structural Light Metal Alloys: Recent Developments and Steps Forward
Design of Cold-Spray 6061 Aluminum Alloys for Fatigue Crack Growth Resistance in Structural Components, Coatings, and Repairs
Detecting the Precursor to Fatigue Crack Initiation in Nanocrystalline Ni-Fe Using Synchrotron Diffraction
Dislocation Patterns under Cyclic Loading in Multiple Slip
Effect of Pore Voxel Size on Driving Forces for Fatigue Crack Initiation in a Single Crystal Ni-Base Superalloy
Evaluation of Fatigue Crack Initiation Mechanism and Its Driving Forces in a Polycrystalline Nickel-base Superalloy Using Experiments and Computations (Note: This presentation will also appear in the poster session.)
Fatigue Crack Growth Characterization Using an Integrated Full Field Deformation and Cyclic Plasticity Method
Fatigue in Titanium: Dislocation Mechanisms, Initiation, Hydrogen and Alpha2
Fatigue Monitoring of Metals Based on Physical Data Like Electrical Resistance, Temperature and Electromagnetic Ultrasound
Federation of European Materials Societies (FEMS) International Scholar Presentation: Finite Element Simulations of Short Fatigue Crack Propagation in Three Dimensional Microstructures Obtained by X-ray Tomography
From Strain Localization to Fatigue Damage: Critical Experimental Data to Assess the Effect of the Microstructure
GG-10: Effects of Corrosion Damage on the Fatigue Behavior of Dissimilar Friction Stir Welded Aluminum Alloys
GG-11: Cyclic Deformation, Degradation, and Failure of Paper
GG-12: Microstructural Properties and Four-point Bend Fatigue Characteristic of Ti-6.5Al-2Zr-1Mo-1V Welded Joints by Electron Beam Welding
GG-13: Toward the Use of Machine Learning to Understand the Mechanisms of Complex, Microstructurally Small, Fatigue-Crack Evolution
GG-15: Separating the Influence Factors Resulting from Production Processes on the Fatigue Strength in the HCF/VHCF Regime
GG-16: Surface Roughness Evolution and Point Defect Generation in FCC Single Crystals Loaded Cyclically
GG-1: A Microscopic Study of Polyether Ether Ketone (PEEK) under Mean Strain Fatigue Loadings
GG-2: Effect of UNSM and LSP on the Fatigue Behavior of IN718+ at Room and Elevated Temperatures
GG-3: Experimental High Throughput Screening Using Micro Resonant Experiments as a Fundament for Fatigue Life Time Prediction
GG-4: Experimental Investigation of Crack Initiation in FCC Materials in the High and Very High Cycle Fatigue Regime
GG-5: Investigation of Corrosion Fatigue of Duplex Steel X2CrNiMoN22-5-3 Exposed to the Geothermal Environment under Different Electrochemical Conditions
GG-6: Tensile and Fatigue Deformation Behaviors of Extruded Hyper-eutectic Al-Si Alloy
GG-7: Evaluating Fatigue Performance and Residual Stresses Effect on Crack Initiation in High Speed Helical Gears Using Modelling and Experimentation
GG-8: Fracture and Fatigue Crack Growth Behavior of As-cast Ti48Al-2Nb-2Cr and Ti 43Al-4Nb-1Mo
GG-9: Martensite Phase Transformation for Type 304L Stainless Steel under Cyclic Loading
High Energy X-ray Studies of Fatigue and Fracture
How to Quantify the Grain Boundary Resistance against Slip Transfer Experimentally by Combination of Geometric and Stress Approach Using Stage-I-fatigue Cracks
Hydrogen Influences on Notched Fatigue Life of Stainless Steels
In-situ Laue Micro-Diffraction during Cyclic Plastic Deformation of Copper under Shear
Influence of Slip System Hardening on the Development of Heterogeneous Intragrain Deformation during Cyclic Loading with Correlation to Diffraction Peak Broadening
Intergranular Strain Evolution near Fatigue Crack Tips in Polycrystalline Materials
Investigating Microstructural Features in Ti-6Al-4V Using CPFEM (Note: This presentation will also appear in the poster session.)
Investigation of Nonmetallic Inclusion-driven Failures
Microstructural Effects on Small-Fatigue Crack Growth in Resistance Spot Welded Sheet 5754 and 6111 Aluminum and Durability Modeling of Eyebrow Cracking in Resistance Spot Welds (Note: This presentation will also appear in the poster session.)
Microstructural Small Flaw Fracture Mechanics for Improved Design Analysis
Microstructure-Sensitive Investigation of Aluminum 2024 Fatigue Damage Precursors using Acoustic Emission (Note: This presentation will also appear in the poster session.)
Microstructure-Sensitive Probabilistic Prediction of Small Fatigue Crack Growth Behavior in a Ni-Base Superalloy
Modeling 3D Microstructurally Small Crack Growth in 7075-T6 Al
Multi-Scale Crystal Plasticity FE Models for Predicting Fatigue in Polycrystalline Metals and Alloys
Multiaxial Thermo-Mechanical Loading at High Temperature on a Ni-based Single Crystal Superalloy
Multidisciplinary Approach for Capturing Fatigue Damage Precursor Effects in Metallic Structures under Dynamic Loading
Ni Base Microstructure Modeling and Its Applications in Fatigue
Probability of Life-Limiting Fatigue Failures in the Titanium Alloy Ti-6Al-2Sn-4Zr-2Mo
Quantifying Dislocation Microstructure and Point Defect Evolutions during Cyclic Loading
Quantitative Effects of Texture and Grain Size on Short Fatigue Crack Growth in High Strength Al Alloys by a 3D Microstructural-based Model (Note: This presentation will also appear in the poster session.)
Rapid Evaluation of Titanium Microstructures for Fatigue Resistance through Computationally Efficient Localization Approaches
Reexamining Opportunities in Retirement for Cause for Turbine Rotor Superalloys
Relationship between Galvanic Corrosion and Local Plastic Deformation during Fatigue of Al Alloys
Short Crack Growth and Very High Cycle Fatigue Behavior of Magnesium Alloy WE43 (Note: This presentation will also appear in the poster session.)
Simulation of Grain Boundary/Slip Band Interaction in Polycrystalline Metallic Materials
Statistical Characterization of Multimodal Behavior in Material Properties
Studies of Short Fatigue Cracks
TEM Studies of the Evolution of Dislocation Configurations under Cyclic Loading in Al Alloys
Thermal Fatigue as the Origin of Rock Break-up on Asteroids
Ultra Small Scale High Cycle Fatigue Testing by Micro-cantilevers
Understanding of Fatigue Crack Formation in Ni Superalloy with Inclusions Using HR-EBSD and HR-DIC
Using Ultrasonic Fatigue to Investigate Crack Initiation and Short Crack Growth in the Very High Cycle Fatigue (VHCF) Regime
What Causes the Formation of Crack Initiation Characteristic Region for Very-High-Cycle Fatigue of Metallic Materials?

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