On the origins of fatigue strength in crystalline metallic materials

JC Stinville, MA Charpagne, A Cervellon, S Hemery… - Science, 2022 - science.org
Metallic materials experience irreversible deformation with increasing applied stress,
manifested in localized slip events that result in fatigue failure upon repeated cycling. We …

Using the Ti–Al System to Understand Plasticity and Its Connection to Fracture and Fatigue in α Ti Alloys

DC Pagan, KM Peterson, PA Shade, AL Pilchak… - … Materials Transactions A, 2023 - Springer
Abstract The Ti–Al system, specifically with Al wt pct ranging from approximately 4 to 14 pct,
has served as a model system for exploring the deformation behavior of the hexagonal close …

Exploring new links between crystal plasticity models and high-energy X-ray diffraction microscopy

PA Shade, WD Musinski, M Obstalecki… - Current Opinion in Solid …, 2019 - Elsevier
The advancement and transition of computational materials models requires corresponding
developments in experimental methods to provide new phenomenological insights as well …

Role of heat treatment and build orientation in the microstructure sensitive deformation characteristics of IN718 produced via SLM additive manufacturing

MD Sangid, TA Book, D Naragani, J Rotella, P Ravi… - Additive …, 2018 - Elsevier
The benefits of additive manufacturing have been well documented, but prior to these
materials being used in critical applications, the deformation mechanisms must be properly …

[HTML][HTML] Towards a data platform for multimodal 4D mechanics of material microstructures

A Marano, C Ribart, H Proudhon - Materials & Design, 2024 - Elsevier
This paper presents advances in the data management strategy applied to 4D multimodal
mechanics of material sample microstructures. Guidelines to build a data platform allowing …

Investigation of fatigue crack initiation from a non-metallic inclusion via high energy x-ray diffraction microscopy

D Naragani, MD Sangid, PA Shade, JC Schuren… - Acta Materialia, 2017 - Elsevier
Crack initiation at inclusions is a dominant, unavoidable and life-limiting failure mechanism
of important structural materials. Fatigue progresses in a complex manner to find the …

Examining metrics for fatigue life predictions of additively manufactured IN718 via crystal plasticity modeling including the role of simulation volume and …

V Prithivirajan, MD Sangid - Materials Science and Engineering: A, 2020 - Elsevier
There is a growing demand for the development of precise, accurate, and industrially
applicable predictive models for evaluating the fatigue performance of additively …

Modeling slip system strength evolution in Ti-7Al informed by in-situ grain stress measurements

DC Pagan, PA Shade, NR Barton, JS Park, P Kenesei… - Acta Materialia, 2017 - Elsevier
Far-field high-energy X-ray diffraction microscopy is used to asses the evolution of slip
system strengths in hexagonal close-packed (HCP) Ti-7Al during tensile deformation in-situ …

Study of slip activity in a Mg-Y alloy by in situ high energy X-ray diffraction microscopy and elastic viscoplastic self-consistent modeling

L Wang, Z Huang, H Wang, A Maldar, S Yi, JS Park… - Acta Materialia, 2018 - Elsevier
Slip activity from various slip modes largely determines the yield strength and ductility of Mg
alloys. Solid solution elements in Mg can change the slip activity dramatically. In this paper …

Grain interactions under thermo-mechanical loads investigated with coupled crystal plasticity simulations and high-energy X-ray diffraction microscopy

BT Mackey, R Bandyopadhyay, SE Gustafson… - Acta Materialia, 2023 - Elsevier
Nickel (Ni)-based superalloys are used for safety-critical components in the aerospace
industry because of their high strength at elevated temperatures. These materials are …