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Meeting 2025 TMS Annual Meeting & Exhibition
Symposium Recent Advances in Titanium Science and Technology: MPMD/SMD Symposium Honoring Professor Dipankar Banerjee
Presentation Title A Mechanism-based Model for Fatigue Life Prediction of Titanium Alloys
Author(s) Adam L. Pilchak, Michael Schiavone
On-Site Speaker (Planned) Adam L. Pilchak
Abstract Scope Titanium alloys exhibit a large degree of scatter in fatigue life across a wide range of applied stress. Prior work has linked this variability to subtle variations in the microstructural neighborhoods where cracks nucleate and specifically the arrangement and interconnectivity of primary alpha particles that are suitably oriented for basal slip and faceted crack growth. This presentation will cover efforts toward the development of a pragmatic mechanism-based model for cyclic fatigue crack growth. The model considers crack nucleation from basal slip bands, microstructural effects on small crack growth rates, and seamlessly transitions to long crack growth to the point of failure.
Proceedings Inclusion? Planned:
Keywords Titanium, Mechanical Properties, Modeling and Simulation

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Mechanism-based Model for Fatigue Life Prediction of Titanium Alloys
Advances in Understanding Cold Dwell Fatigue in Titanium Alloys
An approach to developing high strength eutectic alloys by ternary additions
An Integrated Framework to Accelerate the Design of Alloys and Processes for Texture Dominated Properties in HCP Alloys
Convergence of Computationally Designed Alloys and Processes
Determination of Deformation Mechanisms in Refractory Compositionally Complex Alloys
Dwell Fatigue Deformation Studies in Ti-6246 Alloy
Eutectics to single crystals: Fundamentals to applications
High-Temperature Deformation and Damage Behavior a γʹ-Lean Ni-based Superalloy: A Case Study of IN740H
High creep stress exponents and elementary deformation mechanisms
High Cycle Fatigue, Notches, R-ratio and Macrozones in Ti-6Al-4V
Insights on Dwell Fatigue from In-situ and 3D Microstructural Investigations
Internal Friction of Steel: The Microstructural Origin
Microstructural control of prior-beta grain orientation dramatically increases the fatigue resistance of DMLM Ti-6Al-4V
Microstructural dependence of dwell fatigue in titanium alloys
Nanoscale Shuffle Transformation in Metastable Beta Titanium Alloys
New insights into the transition from microplasticity to fatigue crack nucleation in (α+β) Ti alloys
Opening Remarks to the MPMD/SMD Symposium honoring Dipankar Banerjee
Oxide Dispersion Strengthening: An Old Topic with New Developments
Structure and mobility of deformation twin boundaries in ferroelatic crystals
Titanium Alloys Modified with Boron
Unraveling the complexities of room temperature creep in titanium alloys through cantilever bending: anisotropy, tension-compression asymmetry and microtextured regions

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