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Darren Pagan

Pennsylvania State University - Department of Materials Science and Engineering

SCHOLARLY PAPERS

5

DOWNLOADS

369

TOTAL CITATIONS

0

Scholarly Papers (5)

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1.

3D In-Situ Characterization of Dislocation Density in Nickel-Titanium Shape Memory Alloys Using High-Energy Diffraction Microscopy

Number of pages: 26 Posted: 20 Mar 2023
Wenxi Li, Sangwon Lee, Tianchi Zhang, Darren Pagan, Lee Casalena, Michael J. Mills and Ashley Bucsek
University of Michigan at Ann Arbor - Department of Mechanical Engineering, University of Michigan at Ann Arbor - Department of Mechanical Engineering, University of Michigan at Ann Arbor - Department of Electrical Engineering and Computer Science, Pennsylvania State University - Department of Materials Science and Engineering, Thermo Fisher Scientific, Ohio State University (OSU) - Department of Materials Science and Engineering (MSE) and University of Michigan at Ann Arbor - Department of Mechanical Engineering
Downloads 113 (626,371)

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functional fatigue, Shape memory alloy, geometrically necessary dislocation, intragranular misorientation

2.

Elucidating Texture and Grain Morphology Contributions to the Micromechanical Response of Additively Manufactured Inconel 625

Downloads 79 (809,932)

Elucidating Texture and Grain Morphology Contributions to the Micromechanical Response of Additively Manufactured Inconel 625

Number of pages: 55 Posted: 17 Oct 2024
Reilly J. Knox, Robert Carson, Matt Rolchigo, Katherine S. Shanks, James Belak and Darren Pagan
Pennsylvania State University, Lawrence Livermore National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Cornell University, Lawrence Livermore National Laboratory and Pennsylvania State University - Department of Materials Science and Engineering
Downloads 60 (976,517)

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texture, Additive Manufacturing, nickel superalloys, X-ray diffraction, Micromechanics

Elucidating Texture and Grain Morphology Contributions to the Micromechanical Response of Additively Manufactured Inconel 625

Number of pages: 55 Posted: 18 Jan 2025
Reilly J. Knox, Robert Carson, Matt Rolchigo, Katherine S. Shanks, James Belak and Darren Pagan
Pennsylvania State University, Lawrence Livermore National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Cornell University, Lawrence Livermore National Laboratory and Pennsylvania State University - Department of Materials Science and Engineering
Downloads 19 (1,513,226)

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Additive manufacturing, Crystal plasticity, x-ray diffraction, nickel superalloy

3.

Intragranular Critical Resolved Shear Stress Distributions in Polycrystalline Titanium Using In-Situ Point-Focused High-Energy Diffraction Microscopy

Number of pages: 39 Posted: 14 Oct 2025
Wenxi Li, Hemant Sharma, Peter Kenesei, Jun-Sang Park, Sidharth Ravi, O. K. Celebi, Daegun You, Tolga Berkay Celebi, Darren Pagan, Huseyin Sehitoglu and Ashley Bucsek
University of Michigan at Ann Arbor - Department of Mechanical Engineering, Government of the United States of America - Argonne National Laboratory, Government of the United States of America - X-Ray Science Division, Government of the United States of America - X-Ray Science Division, University of Illinois at Urbana-Champaign - Department of Mechanical Science and Engineering, Bilkent University, University of Illinois at Urbana-Champaign - Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign - Department of Mechanical Science and Engineering, Pennsylvania State University - Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign - Department of Mechanical Science and Engineering and University of Michigan at Ann Arbor - Department of Mechanical Engineering
Downloads 71 (867,774)

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Point-focused high-energy diffraction microscopy, Plasticity, intragranular critical resolved shear stress, slip system strength, Titanium

4.

Revisiting First-Principles Thermodynamics by Quasiharmonic Approach: Application to Study Thermal Expansion of Additively-Manufactured Inconel 625

Number of pages: 15 Posted: 18 Mar 2024
Shun-Li Shang, Rushi Gong, Michael.C Gao, Darren Pagan and Zi-Kui Liu
Pennsylvania State University - Department of Materials Science and Engineering, Pennsylvania State University - Department of Materials Science and Engineering, National Energy Technology Laboratory, Pennsylvania State University - Department of Materials Science and Engineering and Pennsylvania State University - Department of Materials Science and Engineering
Downloads 64 (924,743)

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First-principles thermodynamics by quasiharmonic approach, Akaike information criterion with a correction, Uncertainty and sensitivity, Coefficient of thermal expansion, Additively-manufactured Inconel 625

5.

Observing Dwell Fatigue Stress Redistribution in Ti-6Al-4V Grain Neighborhoods using High Energy X-rays

Number of pages: 43 Posted: 30 Jan 2026
Kenneth M. Peterson, Kelly Nygren, Raghul Asokkumar, Dr. Sven E. Gustafson, Arthur R. Woll, Dr. Mark Obstalecki, Dr. Paul A. Shade and Darren Pagan
Pennsylvania State University - Department of Materials Science and Engineering, Cornell University - Cornell High Energy Synchrotron Source, Pennsylvania State University - Department of Materials Science and Engineering, Cornell University - Cornell High Energy Synchrotron Source, Cornell University - Cornell High Energy Synchrotron Source, Wright Patterson Air Force Base - Air Force Research Laboratory, Wright Patterson Air Force Base - Air Force Research Laboratory and Pennsylvania State University - Department of Materials Science and Engineering
Downloads 42 (1,157,785)

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x-ray diffraction, Titanium alloys, dwell fatigue, Plasticity