The role of twinning and stacking fault-induced plasticity on the mechanical properties of aluminum-lithium-graphene nanocomposites

Sara I. Ahmad, Atef Zekri, and Khaled M. Youssef
Nanocomposites, Volume 10, NO. 1, 91–107 (2024)

Optimization of the Consolidation Parameters for Enhanced Thermoelectric Properties of Gr-Bi2Te2.55Se0.45 Nanocomposites

Farah El-Makaty, Abdel Magid Hamouda, Anas Abutaha, and Khaled Youssef
Nanomaterials, 14 (3), 260 (2024)

Effect of AlN on the Mechanical and Electrochemical Properties of Aluminum Metal Matrix Composites

Rokaya Hamdy Abdelatty, Ahmed Bahgat Radwan, Khaled Youssef, Muhammad Farzik Ijaz, Rana Abdul Shakoor
Materials, (2024)

Thermoelectric behavior of Bi2Te2.55Se0.45 with a tunable Seebeck Coefficient: a comparison between coarse needle-like structure and bulk nanostructured alloys

Farah El-Makaty, Abdelmagid Hamouda, Abdul Shakoor, Khaled Youssef
Journal of Materials Research and Technology, 27, p. 1958 (2023)

Novel surface-treatment for bottom ash from municipal solid waste incineration to reduce the heavy metals leachability for a sustainable environment

Maryam Al-Ejji, Mohamed Hassan, Khaled Youssef, Farah Elmakaty, Hanin Mehanna, Mostafa Sliem, Mohammad Irshidat
Journal of Environmental Management, 347, p.119105 (2023)

Microstructural Effect on the Corrosion Behavior of N- and P-Type Bismuth Tellurides Fabricated by Induction Melting

Farah M. Elmakaty, Muddasir Nawaz, Abdul Shakoor, Abdelmagid Hammuda, and Khaled Youssef
Materials Characterization, 202, p. 112987 (2023)

Evaluation of the Influence of Eggshell (ES) Concentration on the Degradation Behavior of Mg–2.5Zn Biodegradable Alloy in Simulated Body Fluid

A. Bahgat Radwan, Paul C. Okonkwo, Srinivasan Murugan, Gururaj Parande, Maryna Taryba, M. Fatima Montemor, Layla Al-Mansoori Layla Al-Mansoori Biomedical Research Center (BRC), Qatar University, Doha 2713, Qatar More by Layla Al-Mansoori , Mohamed A. Elrayess, Noora Al-Qahtani, Manoj Gupta, Khaled M. Youssef, Raymundo Case, R. A. Shakoor, and Aboubakr M. Abdullah
ACS Biomaterials Science & Engineering, 9, p.2376 (2023)

Tunable metal contacts at layered black-arsenic/metal interface forming during metal deposition for device fabrication

Subhajit Kundu, Prafful Golani, Hwanhui Yun, Silu Guo, Khaled M. Youssef, Steven J. Koester and K. Andre Mkhoyan
Nature Communications Materials, 3, 11 (2022).

The Effect of the Milling Vial Shape on the In-Situ Consolidation of a Nanocrystalline Al-Li-GNPs Nanocomposite Synthesized by Room Temperature Ball-Milling

Sara I. Ahmad and Khaled Youssef
Frontiers in Materials, 9, 804075 (2022).

The Effect of Graphene on Thermal Stability of Tin Selenide Nanocomposite

Manal Alsalama, Hicham Hamoudi, Khaled Youssef
Journal of Materials Research and Technology, 18, 896-908 (2022).

The effect of graphene on the activation energy of grain growth for the nanocrystalline thermoelectric n-type Bi2Te2.7Se0.3

Farah M. El-Makaty, Nandagopal S. Pothuvattil, Abdelmagid Hamouda, and Khaled M. Youssef
Emergent Materials, 13 (2022)

Investigating the thermal stability of nanocrystalline aluminum-lithium alloy by combining different mechanisms: Reinforcing with graphene and alloying with Sr

Sara I. Ahmad, Hicham Hamoudi, Atef Zekri, and Khaled Youssef
Journal of Alloys and Compounds, 914, 165348 (2022).

Impact of Prolonged Exposure to Sour Service on the Mechanical Properties and Corrosion Mechanism of NACE Carbon Steel Material Used in Wet Sour Gas Multiphase Pipeline

Manoj Yadav, Mostafa H. Sliem, Aboubakr M. Abdullah, Khaled M. Youssef, and Noora H. Al-Qahtani
Sustainability, 14 (3), 8015 (2022)

Experimental and modeling analysis of p-type Bi0.4Sb1.6Te3 and graphene nanocomposites

Aicha S. Lemine, Farah M. El-Makaty, Hana A. Al-Ghanim, Khaled M. Youssef
Journal of Materials Research and Technology, 16, 1702 (2022).

Entropy-driven melting point depression in fcc HEAs

Tanner Kirk, Brent Vela, Seth Mehalic, Khaled Youssef, Raymundo Arróyave
Scripta Materialia, 208, 114336 (2022).

Efficient machine-learning model for fast assessment of elastic properties of high-entropy alloys

Guillermo Vazqueza, Prashant Singh, Daniel Sauceda, Richard Couperthwaite, Nicholas Brittb, Khaled Youssef, Duane D. Johnson, Raymundo Arroyave
Acta Materialia, 232, 117924 (2022)

Towards stacking fault energy engineering in FCC high entropy alloys

[2] Tasneem Z. Khan, Tanner Kirk, GuillermoVazquez, Prashant Singh, A.V. Smirnov, Duane D. Johnson, Khaled M. Youssef, Raymundo Arróyave
Acta Materialia, 224, 117472 (2022)

The effects of structural integrity of graphene on the thermoelectric properties of the n-type bismuth-telluride alloy

Farah M. El-Makaty, K. Andre Mkhoyan, and Khaled M. Youssef
Journal of Alloys and Compounds, Volume 876, 160198 (2021)

The Effect of Graphene Structural Integrity on the Power Factor of Tin Selenide Nanocomposite

Manal Alsalama, Hicham Hamoudi, and Khaled M. Youssef
Journal of Alloys and Compounds, Volume 872, 159584 (2021)

The effect of different nanofiller materials on the thermoelectric behavior of bismuth telluride

Farah M. El-Makaty, Hira K. Ahmed, Khaled M. Youssef
Materials & Design, 209, 109974 (2021)

In-situ growth of single-crystal plasmonic aluminum–lithium-graphene nanosheets with a hexagonal platelet-like morphology using ball-milling

Sara I. Ahmad, Hicham Hamoudi, Khaled M. Youssef
Carbon, Volume 178, Pages 657-665 (2021)

Enhanced tensile strength, fracture toughness and piezoresistive performances of CNT based epoxy nanocomposites using toroidal stirring assisted ultra-sonication

A. Esmaeili, C. Sbarufatti, K. Youssef, A. Jiménez-Suárez, A. Ureña & A.M.S. Hamouda
Mechanics of Advanced Materials and Structures, 1-10 (2021).

Thermoelectric Enhancement of Layered Chalcogenide Materials

Manal M. Alsalama, Hicham Hamoudi, Ahmed Abdala, Zafar K. Ghouri, and Khaled M. Youssef
REVIEWS ON ADVANCED MATERIALS SCIENCE, Volume 59, Pages 371–398 (2020)

The activation of deformation mechanisms for improved tensile properties in nanocrystalline aluminum

Sarah I. Ahmed, Andre Mkhoyan, and Khaled M. Youssef
Materials Science and Engineering A777, 139069 (2020)

Graphene-Reinforced Bulk Metal Matrix Composites: Synthesis, Microstructure, and Properties

S. I. Ahmad, H. Hamoudi, A. Abdala, Z. K. Ghouri, K. M. Youssef
REVIEWS ON ADVANCED MATERIALS SCIENCE 59 (1), 67-114, (2020)

Artifact-free bulk nanocrystalline Al-Li alloys with multiple deformation mechanisms and improved tensile properties

Sara I. Ahmad, Leena A. Al-Sulaiti, K. Andre Mkhoyan, Khaled M. Youssef
Materials Today Communications, Volume 25, Page 101607, (2020)

Rational Synthesis of Ternary PtIrNi Nanocrystals with Enhanced Poisoning Tolerance for Electrochemical Ethanol Oxidation

Yahia H. Ahmad, Assem T. Mohamed, Khaled M. Youssef, Subhajit Kundu, Andre Mkhoyan, Siham Y. Al-Qaradawi
Electrochemistry Communications, Volume 101, Pages 61-67 (2019)

Influence of 1%Nb Solute Addition on the Thermal Stability of In Situ Consolidated Nanocrystalline Cu

Mohamed A. Abaza Leena Al‐Sulaiti Ronald O. Scattergood Khaled M. Youssef
Advanced Engineering Materials, Volume 21, issue 2, 1800859, (2019)

High Strength, Ductility, and Electrical conductivity of in-situ Consolidated Nanocrystalline Cu-1%Nb

Khaled Youssef, Mohamed Abaza, Ronald Scattergood, and Carl Koch
Materials Science and Engineering, A711, 350-355 (2018)

Structural Evolution of Cu1-XYX Alloys Prepared by mechanical Alloying: Their Thermal Stability and Mechanical Properties

Suhrit Mula, Daria Setman, Khaled Youssef, R.O. Scattergood, Carl C Koch
Journal of Alloys and Compounds, 627, 108-116 (2015)

A Novel Low Density, High Hardness, High-Entropy Alloy with Close-Packed Single-Phase Nanocrystalline Structures

Khaled Youssef, Alexander Zaddach, Changning Niu, Douglas Irving, Carl Koch
Materials Research Letters, Volume 2, Issue 3, 95-99 (2015)

Thermal Conductivity of Exfoliated p-type Bismuth Antimony Telluride

H. Zheng, K. Jagannadham and K. Youssef
Journal of Electronic Materials, Volume 43, Issue 2, 320-328 (2014)

Recombination via Nano-Precipitate: A New Mechanism for Efficiency Loss in Solar Silicon

Peaker, B. Hamilton, S. Leonard, V. Markevich, K. Youssef, and G Rozgonyi
Photovoltaic Specialist Conference (PVSC), 2014 IEEE 40th, Issue Date: 8-13 (2014)

Molybdenum Nano-Precipitates in Silicon: A TEM and DLTS Study

Simon Leonard, Vladimir P. Markevich, Anthony R. Peaker, Bruce Hamilton, Khaled Youssef, and George Rozgonyi
Physica Status Solidi B 251, No. 11, 2201–2204 (2014)

Studies on Thermal Stability, Mechanical and Electrical Properties of Nanocrystalline Cu99.5Zr0.5 Alloy

Debdas Roy, Mark A. Atwater, Khaled M. Youssef, John Christopher Ledford, Ronald O. Scattergood, Carl C. Koch
Journal of Alloys and Compounds, 558, 44-49 (2013)

Nanostructure Fabrication on Germanium and Silicon by Nanocoining Imprint Technique

Erik Zdanowicz, Thomas Dow, Ronald Scattergood, and Khaled M. Youssef
Precision Engineering, 37, 871-879 (2013)

Fracture Strength of Photovoltaic Silicon Wafers Evaluated Using A Controlled Flaw Method

Meirong Shi, K. Youssef, and G. Rozgonyi
Advanced Engineering Materials, 15, 756-760 (2013)

Effect of Oxygen and Associated Residual Stresses on the Mechanical Properties of High Growth Rate Czochralski Silicon

Khaled Youssef, Meirong Shi, Chantelle Radue, Ethan Good, and George Rozgonyi
Journal of Applied Physics, 113, 133502 (2013)

Understanding the Effect of Impurities and Grain Boundaries on Mechanical Behavior of Si via Nanoindentation of (110)/(100) Direct Si Bonded Wafers

Khaled Youssef, Xuegong Yu, Mike Seacrist, and George Rozgonyi
Journal of Materials Research, 27, 349-355 (2012)

Oxygen Precipitation Related Stress-Modified Crack Propagation in High Growth Rate Czochralski Silicon Wafers

Kulshreshtha, Y. Yoon, E. Good, K. Youssef, and G. Rozgonyi
Journal of the Electrochemical Society, 159, H125-H129 (2012)

Nano-Indentation: A Tool to Investigate Crack Propagation Related Phase Transitions in PV Silicon

Kulshreshtha, K. Youssef, and G. Rozgonyi
Solar Energy Materials and Solar Cells, 96, 166-172 (2012)

Deformation Twins and Related Softening Behavior in Nanocrystalline Cu–30% Zn Alloy

Hamed Bahmanpour, Khaled M. Youssef, Jelena Horky, Daria Setman, Mark A. Atwater, Michael J. Zehetbauer, Ronald O. Scattergood, and Carl C. Koch
Acta Materialia, 60, 3340-3349 (2012)

Bulk Nanostructured Metals and Alloys: Processing, Structure, and Thermal Stability

Bahmanpour, A. Kajbafvala, M. Maneshian, H. Zargar, and K. Youssef
Journal of Nanomaterials, Volume 2012, Article ID 193734, 1, (2012)

Silicon PV Wafers: Mechanical Strength and Correlations with Defects and Stress

George Rozgonyi, Khaled Youssef, Prashant Kulshreshtha, Meirong Shi, and Ethan Good
Solid State Phenomena, 178-179, 79-87 (2011)

Mechanical Behavior of Bulk Nanocrystalline Copper Alloys Produced by High Energy Ball Milling

Hamed Bahmanpour, Khaled Youssef, Ronald Scattergood, and Carl Koch
Journal of Materials Science, 46, 6316-6322 (2011)

High Hardness in A Nanocrystalline Mg97Y2Zn1 Alloy

K. M. Youssef, Y. B. Wang, X. Z. Liao, S. N. Mathaudhu, L. J. Kecskés, Y. T. Zhu, C. C. Koch
Materials Science and Engineering, A528, 7494– 7499 (2011)

Effect of Stacking Fault Energy on Mechanical Behavior of Bulk Nanocrystalline Cu and Cu Alloys

Khaled Youssef, Miroslava Sakaliyska, Hamed Bahmanpour, Ronald Scattergood and Carl Koch
Acta Materialia, 59, 5758-5764 (2011)

Effect of Stacking Fault Energy on Deformation Behavior of Cryo-Rolled Copper and Copper Alloys

Bahmanpour, A. Kauffmann, M.S. Khoshkhoo, K. Youssef, S. Mula, J. Freudenberger, J. Eckert R. Scattergood, and C. Koch
Materials Science and Engineering, A529, 230-236 (2011)

Deformation Twinning in A Nanocrystalline HCP Mg Alloy

L. Wu, K.M. Youssef, C.C. Koch, S.N. Mathaudhu, L.J. Kecske´s and Y.T. Zhu
cripta Materialia, 64, 213-216 (2011)

Understanding Creep in Nanocrystalline Materials

Gollapudi, K. V. Rajulapati, I. Charit, K. M. Youssef, C. C. Koch, R. O. Scattergood and K. L. Murty
Transactions of the Indian Institute of Metals, 63, 373-378 (2010)

Nanostructured Materials by Mechanical Alloying: New Results on Property Enhancement

Carl Koch, Ronald Scattergood, Khaled Youssef, Ethan Chan, and Yuntian Zhu
Journal of Materials Science, 45, 4725–4732 (2010)

Proximity Gettering of Cu at A (110)/(001) Grain Boundary Interface Formed by Direct Silicon Bonding

Yu, J. Lu, K. Youssef, and G. Rozgonyi
Applied Physics Letters, 94, 221909 (2009)

Mechanical Properties of Nanocrystalline Materials Produced by in situ Consolidation Ball Milling

C. Koch, K. M. Youssef, R. O. Scattergood
Materials Science Forum, 579, 15-28 (2008)

Influence of Pulse Plating Parameters on the Synthesis and Preferred Orientation of Nanocrystalline Zinc from Zinc Sulfate Electrolyte

M. Youssef, C. C. Koch, and P. S. Fedkiw
Electrochimica Acta, Vol. 54, 2, 677-683 (2008)

Mechanical Behavior of Nanocrystalline Copper

K. Gurdu, K. L. Murty, K. M. Youssef, R. O. Scattergood, and C. C. Koch
Materials Science and Engineering, A463, 14-21 (2007)

Nanocrystalline Al-Mg Alloy With Ultrahigh Strength and Good Ductility

K. M. Youssef, R. O. Scattergood, K. L. Murty, and C. C. Koch
Scripta Materialia, 54, 251-256 (2006)

Ultrahigh Strength and High Ductility of Bulk Nanocrystalline Copper

K. M. Youssef, Ronald. O. Scattergood, K. L. Murty, Joseph A. Horton, and Carl. C. Koch
Applied Physics Letters, 87, 091904 (2005)

Tensile Properties of in-situ Consolidated Nanocrystalline Cu

Cheng, E. Ma, Y. M. Wang, L. Kecskes, K. M. Youssef, C. C. Koch, U. P. Trociewitz and K. Han
Acta Materialia, 53, 1521-1533 (2005)

Consolidation of A Cu–2.5 vol.% Al2O3 Powder Using High Energy Mechanical Milling

D. L. Zhang, S. Raynova, C.C. Koch, R.O. Scattergood, and K. M. Youssef
Materials Science and Engineering, A410-411, 375 (2005)

ulk Nanostructured Cu-2.5vol.%Al2O3 Composite Synthesized Using High Energy Mechanical Milling

D. L. Zhang, C. C. Koch, R. O. Scattergood and K. M. Youssef
Journal of  Metastable and Nanocrystalline Materials, 24-25, 639-642 (2005)

Breakthroughs in Optimization of Mechanical Properties Of Nanostructured Metals And Alloys

C. Koch, Khaled M. Youssef, Ronald. O. Scattergood, and Korukonda L. Murty
Journal of Advanced Engineering Materials, 7, No. 9, 787 (2005)

Ultratough Nanocrystalline Copper With A Narrow Grain Size Distribution

Khaled M. Youssef, Ronald O. Scattergood, K. Linga Murty, and Carl. C. Koch
Applied Physics Letters, 85, 929-931 (2004)

Influence of Additives and Pulse Electrodeposition Parameters on Production of Nanocrystalline Zinc from Zinc Chloride Electrolytes

K. M. Youssef, C. C. Koch, and P. S. Fedkiw
Journal of the Electrochemical Society, 151, C103 (2004)

Improved Corrosion Behavior of Nanocrystalline Zinc Produced by Pulse-Current Electrodeposition

K. M. Youssef, C. C. Koch, and P. S. Fedkiw
Corrosion Science, 46, 51-64 (2004)

Pulse-Current Electrodeposition of Nanocrystalline Zinc

K. M. Youssef, P. S. Fedkiw, and C. C. Koch
Materials Science and Engineering, A341, 174 (2003)