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Osman El-Atwani

Government of the United States of America - Pacific Northwest National Laboratory

Government of the United States of America - Materials Science and Technology Division

SCHOLARLY PAPERS

15

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Scholarly Papers (15)

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1.

From High-Entropy Alloys to High-Entropy Ceramics: The Radiation-Resistant Highly Concentrated Refractory Carbide (CrNbTaTiW)C

Number of pages: 35 Posted: 07 Feb 2023
Matheus Araujo Tunes, Stefan Fritze, Barbara Osinger, Patrick Willenshofer, Andrew M. Alvarado, Enrique Martinez, Ashok Menon, Petter Ström, Graeme Greaves, Erik Lewin, Ulf Jansson, Stefan Pogatscher, Tarik Saleh, Vladimir M. Vishnyakov and Osman El-Atwani
Montanuniversität Leoben, Uppsala University - Department of Chemistry, Uppsala University - Department of Chemistry, Montanuniversität Leoben - Chair of Nonferrous Metallurgy, Government of the United States of America - Theoretical Division, Government of the United States of America - Theoretical Division, Uppsala University - Department of Chemistry, Uppsala University - Department of Physics and Astronomy, University of Huddersfield - School of Computing and Engineering, Uppsala University - Department of Chemistry, Uppsala University - Department of Chemistry, Montanuniversität Leoben - Christian Doppler Laboratory for Advanced Aluminum Alloys, Government of the United States of America - Materials Science and Technology Division, University of Huddersfield - School of Computing and Engineering and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 132 (558,171)

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High-entropy ceramics, High-entropy alloys, Nanocrystalline materials, radiation damage, extreme environments

2.

Predicting Short-Range Order Evolution in WTaCrVHf Refractory High-Entropy Alloys

Number of pages: 7 Posted: 27 Mar 2023
Andrew Michael Alvarado, Chanho Lee, Jan S. Wróbel, Damian Sobieraj, Duc Nguyen-Manh, Jonathan D. Poplawsky, Saryu J. Fensin, Enrique Martinez and Osman El-Atwani
Government of the United States of America - Los Alamos National Laboratory, Government of the United States of America - Los Alamos National Laboratory, Warsaw University of Technology - Faculty of Materials Science and Engineering, Warsaw University of Technology - Faculty of Materials Science and Engineering, Culham Science Centre - United Kingdom Atomic Energy Authority, Government of the United States of America - Center for Nanophase Materials Sciences, Los Alamos National Laboratory - Materials Science and Technology Division, Clemson University - Department of Materials Science and Engineering and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 111 (640,165)

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Refractory Low-activation High Entropy Alloy, Short-range ordering, First-Principle Calculation, Monte Carlo
Simulation, Atom Probe Tomography

3.

Irradiation Behaviour of Low-Density Oxygen-Doped TiZrHfNbTa Refractory High Entropy Alloys

Number of pages: 18 Posted: 13 Nov 2022
B.B. Tanrisevdi, Osman El-Atwani, M. Chancey, Yongqiang Wang, S. Ozerinc, Y.E. Kalay and Eda Aydogan
Middle East Technical University - Department of Metallurgical and Materials Engineering, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Los Alamos National Laboratory, Government of the United States of America - Los Alamos National Laboratory, Middle East Technical University - Department of Metallurgical and Materials Engineering, Middle East Technical University - Department of Metallurgical and Materials Engineering and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 102 (694,528)

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Refractory high entropy alloys (RHEAs), irradiation resistance, dislocation loops, Transmission electron microscopy, Nano-indentation

4.

In-situ ETEM Study of Plasma-Facing Tungsten Nanofuzz Oxidation at Atmospheric Pressure: Microstructure Evolution and Substrate-Free Oxidation Kinetics

Number of pages: 21 Posted: 23 Apr 2024
Rajat Sainju, Marlene Patino, Matthew J. Baldwin, Osman El-Atwani, Robert Kolasinski and Yuanyuan Zhu
University of Connecticut, University of California, San Diego (UCSD), University of California, San Diego (UCSD), Government of the United States of America - Pacific Northwest National Laboratory, Sandia National Laboratories and University of Connecticut
Downloads 89 (753,595)

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Fusion plasma-facing materials, LOCA and LOVA, Tungsten nanofuzz, In-situ ETEM, Thermal oxidation

5.

Outstanding Ion Irradiation Resistance of Nanocrystalline Low Activation W-Ti-Based Compositionally Complex Alloys

Downloads 76 (844,901)

Outstanding Ion Irradiation Resistance of Nanocrystalline Low Activation W-Ti-Based Compositionally Complex Alloys

Number of pages: 33 Posted: 03 May 2025
Skye Supakul, Eda Aydogan, Ishtiaque Robin, Bochuan Sun, Kayla Yano, Shalini Tripathi, Jacob Haag, Wei-Ying Chen, Benjamin Derby, Daniel Velazquez, Sergey Tsurkan, Dan J. Thoma, Enrique Martinez and Osman El-Atwani
Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Clemson University, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Argonne National Laboratory, Los Alamos National Laboratory - Center for Integrated Nanotechnologies, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Wisconsin-Madison, Clemson University - Department of Materials Science and Engineering and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 44 (1,170,161)

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Medium Entropy Alloys, Thin Films, in-situ TEM, thermal stability, He Cavities

Outstanding Ion Irradiation Resistance of Nanocrystalline Low Activation W-Ti-Based Compositionally Complex Alloys

Number of pages: 36 Posted: 24 Jun 2025
Skye Supakul, Ishtiaque Robin, Eda Aydogan, Bochuan Sun, Kayla Yano, Shalini Tripathi, Jacob Haag, Wei-Ying Chen, Benjamin Derby, Daniel Velazquez, Sergey Tsurkan, Dan J. Thoma, Enrique Martinez and Osman El-Atwani
Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Clemson University, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Argonne National Laboratory, Los Alamos National Laboratory - Center for Integrated Nanotechnologies, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Wisconsin-Madison, Clemson University - Department of Materials Science and Engineering and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 32 (1,341,098)

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Medium Entropy Alloys, thin films, in-situ TEM, Thermal Stability, He Cavities

6.

Effect of Alloying on Intrinsic Ductility in WTaCrV High Entropy Alloys

Downloads 72 (875,328)

Effect of Alloying on Intrinsic Ductility in WTaCrV High Entropy Alloys

Number of pages: 15 Posted: 19 Mar 2025
Akshay Korpe, Osman El-Atwani and Enrique Martinez
Clemson University, Government of the United States of America - Pacific Northwest National Laboratory and Clemson University - Department of Materials Science and Engineering
Downloads 44 (1,170,161)

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High entropy alloys (HEAs), Mechanical Response, Tungsten, Ductility, BCC refractory metals, Anisotropy

Effect of Alloying on Intrinsic Ductility in WTaCrV High Entropy Alloys

Number of pages: 30 Posted: 29 May 2025
Akshay Korpe, Osman El-Atwani and Enrique Martinez
Clemson University, Government of the United States of America - Pacific Northwest National Laboratory and Clemson University - Department of Materials Science and Engineering
Downloads 28 (1,400,723)

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High Entropy Alloys (HEAs), mechanical response, tungsten, Ductility, BCC refractory metals, anisotropy

7.

Fib Beam Artefacts in Metallic Samples: Eliminating Them Through Flash Electropolishing

Number of pages: 36 Posted: 10 Aug 2024
Danny J. Edwards, Alan Schemer-Kohrn, Matthew Olszta, Ramprashad Prabhakaran, Yuanyuan Zhu, Jing Wang, Jacob Haag, Osman El-Atwani, Timothy Lach and Mychailo Toloczko
Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Energy and Environment Directorate, Government of the United States of America - Pacific Northwest National Laboratory, University of Connecticut, affiliation not provided to SSRN, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 64 (924,743)

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flash electropolishing, focused ion beam preparation, radiation effects, black spot damage, moiré fringes, FeCr alloys

8.

Additively Manufactured Refractory High-Entropy Alloys With Superior Radiation Resistance

Number of pages: 32 Posted: 24 Feb 2026
Hyosim Kim, Eda Aydogan, Skye Supakul, Shalini Tripathi, Miguel Pena, Caleb Hatler, Nathan Curtis, M. Chancey, Bochuan Sun, Winson C. H. Kuo, Winson C. H. Kuo, Enrique Martinez, Adrien Couet, Yongqiang Wang, Dan J. Thoma and Osman El-Atwani
Government of the United States of America - Los Alamos National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Los Alamos National Laboratory, University of Wisconsin-Madison, University of Wisconsin-Madison, Government of the United States of America - Los Alamos National Laboratory, Clemson University, Texas A&M University - Department of Materials Science and EngineeringMaterials Characterization Facility, Texas A&M University, Clemson University - Department of Materials Science and Engineering, University of Wisconsin-Madison, Government of the United States of America - Los Alamos National Laboratory, University of Wisconsin-Madison and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 60 (1,031,043)

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Refractory high-entropy alloys, Directed energy deposition, Dual-beam ion irradiation, Microstructural stability

9.

Design, Processing, and Properties of WTaCrV-Hf Multi-principal Element Alloys​

Number of pages: 80 Posted: 03 Oct 2025
Matthew Vigil, Caleb Hatler, Bochuan Sun, Ishtiaque Robin, Skye Supakul, Richard G. Hoagland, Osman El-Atwani, Enrique Martinez and Dan J. Thoma
University of Wisconsin-Madison, University of Wisconsin-Madison, Clemson University, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Los Alamos National Laboratory - Materials Science and Technology Division, Government of the United States of America - Pacific Northwest National Laboratory, Clemson University - Department of Materials Science and Engineering and University of Wisconsin-Madison
Downloads 56 (1,010,164)

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High-throughput, multi-principal, order-disorder, CALPHAD, cluster expansion, refractory

10.

Elevated Temperature Deposition of Metal (Nb, Ti) – Max (Ti2alc) Phase Nanolaminates: Synthesis, Microstructure and Micro-Mechanical Characterization

Number of pages: 30 Posted: 14 Feb 2024
Skye Supakul, Manish Jain, Krishna Yaddanapudi, Jacob Gruber, Osman El-Atwani, Garritt J. Tucker and Siddhartha (Sid) Pathak
Government of the United States of America - Pacific Northwest National Laboratory, University of St. Gallen - Laboratory for Mechanics of Materials and Nanostructures, University of California - Department of Materials Science and Engineering, affiliation not provided to SSRN, Government of the United States of America - Pacific Northwest National Laboratory, Baylor University and Iowa State University - Department of Materials Science and Engineering
Downloads 54 (1,031,043)

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Multilayers, Nanocomposite, Max phase, PVD, Microcompression, nanoindentation, TEM

11.

Thermodynamic Assessment of the Quaternary WTaCrV Refractory High Entropy Alloy as a Means to Guide Experimental Approaches

Number of pages: 24 Posted: 20 May 2025
Bochuan Sun, Mark Fedorov, Jan S. Wróbel, Duc Nguyen-Manh, Caleb Hatler, Matthew Vigil, Dan J. Thoma, Osman El-Atwani and Enrique Martinez
Clemson University, Warsaw University of Technology - Faculty of Materials Science and Engineering, Warsaw University of Technology - Faculty of Materials Science and Engineering, Culham Science Centre - United Kingdom Atomic Energy Authority, University of Wisconsin-Madison, University of Wisconsin-Madison, University of Wisconsin-Madison, Government of the United States of America - Pacific Northwest National Laboratory and Clemson University - Department of Materials Science and Engineering
Downloads 50 (1,074,648)

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high entropy alloy, material design, thermodynamic properties, XRD, fusion materials

12.

Design Kinetic Parameters for Improved Resilience of Materials Under Irradiation

Number of pages: 13 Posted: 12 Feb 2025
Enrique Martinez, Mohammadhossein Nahavandian, Eda Aydogan, Jesper Byggmästar, Osman El-Atwani and Matheus Araujo Tunes
Clemson University - Department of Materials Science and Engineering, Clemson University, Government of the United States of America - Pacific Northwest National Laboratory, University of Helsinki, Government of the United States of America - Pacific Northwest National Laboratory and Montanuniversität Leoben
Downloads 40 (1,236,159)

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High entropy alloys, radiation resistance, rate theory, molecular dynamics

13.

Cluster Expansion Modeling of Phase Stability in CrTaVW High Entropy Alloys with Small Hf Additions to Guide Experimental Design

Number of pages: 15 Posted: 22 Apr 2026
Bochuan Sun, Andrew Michael Alvarado, Skye Supakul, Osman El-Atwani, Jan S. Wróbel, Damian Sobieraj, Caleb Hatler, Dan J. Thoma, Duc Nguyen-Manh and Enrique Martinez
Clemson University, Government of the United States of America - Los Alamos National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Warsaw University of Technology - Faculty of Materials Science and Engineering, Warsaw University of Technology - Faculty of Materials Science and Engineering, University of Wisconsin-Madison, University of Wisconsin-Madison, Culham Science Centre - United Kingdom Atomic Energy Authority and Clemson University - Department of Materials Science and Engineering
Downloads 24 (1,448,301)

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concentrated refractory alloys, fusion materials, cluster expansion, Thermodynamics

14.

High Dose Ion Irradiation Response of Large Strain Extrusion Machined Ultrafine Grain Ht-9 Steel

Number of pages: 23 Posted: 07 Oct 2024
Hyosim Kim, Jonathan Gregory Gigax, M. Chancey, Mert Efe, Jon K. Baldwin, Yongqiang Wang, S.A. Maloy and Osman El-Atwani
Government of the United States of America - Los Alamos National Laboratory, Government of the United States of America - Los Alamos National Laboratory, Government of the United States of America - Los Alamos National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Center for Integrated Nanotechnologies, Government of the United States of America - Los Alamos National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 24 (1,399,036)

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Large strain machining, HT-9, Ion irradiation, Ultrafine grain, Radiation resistance, Void swelling

15.

Tungsten Modified Nanocrystalline Vanadium Alloy Under Extreme Environments: In-Situ Ion Irradiation at Elevated Temperatures

Number of pages: 16 Posted: 01 Apr 2026
Skye Supakul, Eda Aydogan, Wei-Ying Chen, Shalini Tripathi, Bochuan Sun, Ishtiaque Robin, Benjamin Derby, Jan S. Wróbel, Duc Nguyen-Manh, Enrique Martinez, Dan J. Thoma, S.A. Maloy and Osman El-Atwani
Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Government of the United States of America - Argonne National Laboratory, Government of the United States of America - Pacific Northwest National Laboratory, Clemson University, Government of the United States of America - Pacific Northwest National Laboratory, Los Alamos National Laboratory - Center for Integrated Nanotechnologies, Warsaw University of Technology - Faculty of Materials Science and Engineering, Culham Science Centre - United Kingdom Atomic Energy Authority, Clemson University - Department of Materials Science and Engineering, University of Wisconsin-Madison, Government of the United States of America - Pacific Northwest National Laboratory and Government of the United States of America - Pacific Northwest National Laboratory
Downloads 19 (1,500,778)

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Transmission Electron Microscopy (TEM), Physical Vapor Deposition PVD, Cavity, in-situ ion irradiation