Presentations

  • Invited Talks:
    • The Additive Manufacturing Benchmarks 2022 Conference (AM-Bench 2022), Maryland, USA, August 15-18, 2022.
    • The American Chemical Society – ACS Research Conference: Chemistry and Chemical Engineering in MENA, Doha, Qatar, May 9-11, 2022.
    • The TMS 2nd High Entropy Alloys – HEA2021 Conference, Charlotte, North Carolina, USA, December 4-9, 2021.
    • The International Conference on Plasticity, Damage, and Fracture 2020 (ICPDF), Cancun, Mexico, January 3-9, 2020.
    • The 9th International Advances in Applied Physics & Materials, Turkey, October 22-28, 2019.
    • The 26th Advanced Materials Conference, AMC 2019, Stockholm, Sweden, June 10-13, 2019.
    • The 1st  International Conference on Smart Nanomaterials, ICSN 2019, Doha, Qatar,  February 24-25, 2019.
    • The International Conference on Emerging Advanced Nanomaterials, ICEAN 2018, Newcastle, Australia, October  30- November 2, 2018.
    • The 147th TMS Annual Meeting & Exhibition, Symposium: Thermal and Mechanical Stability of Nanocrystalline Materials, Phoenix Convention Center in Phoenix, Arizona, March 11-15, 2018.
    • The 146th TMS Annual Meeting & Exhibition, Symposium: Mechanical Behavior of Nanostructured Materials, San Diego, California, Feb 27-March 2, 2017.
    • Nano Science & Technology, BIT Annual Conference, Singapore, October 2016.
    • The Annual Aluminum Symposium, Doha, Qatar, December 14, 2015.
    • The Royal Society of Chemistry’s Second Gulf Symposium, The Design and Application of Advanced Materials, Qatar University, Qatar, December 10, 2014.
    • The 141st TMS Annual Meeting & Exhibition, Symposium: Solar Cell Silicon, Orlando, Florida, March 11-15, 2012.
    • Materials Today Webinar, “Nanomechanical Characterization in Materials for Energy” 2010, (http://www.materialstoday.com/webinar/195).
    • The 18th Workshop on Crystalline Silicon Solar Cells and Modules: Materials and Processes, National Renewable Energy Laboratory (NREL) Workshop, Vail, CO, August 2009.
  • Oral Presentations:
    • K. M. Youssef, M. Abaza, “Thermal Stability of Ultra-tough Nanocrystalline Cu-1%Nb”, The 147th TMS Annual Meeting, Phoenix, AZ, March 12, 2018.
    • K. M. Youssef, R. O. Scattergood, K. L. Murty, and C. C. Koch, “Effect of Processing Techniques on the Mechanical Properties of Nanocrystalline/Ultrafine Grained Metals”, The 133rd TMS Annual Meeting, Charlotte, NC, March 14, 2004.
    • K. M. Youssef, P. K. Kulshreshtha and G.A. Rozgonyi, “Amorphization during Fracture of Thin Photovoltaic Silicon Wafers”, Workshop on Probing the Limits of Strength, Lawrence Berkeley National Laboratory, CA, August 10-12, 2009.
    • K. M. Youssef, P. K. Kulshreshtha and G.A. Rozgonyi, “Mechanical Properties of Thin Mono- and Multi-Crystalline Photovoltaic Silicon Wafers”, The 216th Electrochemical Society Meeting, Vienna, Austria, October 4-9, 2009.
    • K. M. Youssef and G.A. Rozgonyi, “Influence of Local Residual Stresses on Mechanical Properties and Crack Propagation of Silicon PV Wafers” The E-MRS Fall Meeting, Warsaw, Poland, September 13-17, 2010.
    • K. M. Youssef, P. K. Kulshreshtha and G.A. Rozgonyi, “Crack Propagation in PV Silicon”, The 218th Electrochemical Society Meeting, Las Vegas, Nevada, October 10-15, 2010.
    • K. M. Youssef, H. Bahmanpour, C. Koch, and R. Scattergood “Mechanical Behavior of Bulk Nanocrystalline Copper Alloys Produced by High Energy Ball Milling”, The Materials Science & Technology 2010 Conference and Exhibition, Houston, TX, October 17- 21, 2010.
    • Carl C. Koch, Ronald O. Scattergood, and Khaled M. Youssef, “Deformation Behavior of Nanostructured Copper Based Alloys As A Function of Stacking Fault Energy” The Inter. Symp. on Plasticity, San Juan, Puerto Rico, January 3-8, 2012.
    • Ronald O. Scattergood, Mostafa Saber, Carl C. Koch, and Khaled M. Youssef, “ Thermal Stability of Nanoscale Grain Sizes” MRS Fall Meeting, Boston, MA, November 25-30, 2012.
    • Alexander Zaddach, Changning Niu, Khaled Youssef, Douglas Irving, Carl Koch, “Stacking Fault Energies and Mechanical Properties of FCC High Entropy Alloys” , The 2014 TMS Annual Meeting, San Diego, CA, February 16-20, 2014.
    • R. Peaker, B. Hamilton, S. Leonard, V.P. Markevich, K. Youssef and G. Rozgonyi, “Recombination via nano-precipitates … a new mechanism for efficiency loss in solar silicon”, The 40th IEEE Photovoltaic Specialists Conference (PVSC), Denver, CO, June 8-13, 2014
    • Alexander Zaddach, Khaled M Youssef, Changning Niu, Douglas L Irving, Carl C Koch, “A Low-Density, Single-Phase High Entropy Alloy Produced by Mechanical Alloying”, The 2015 TMS Annual Meeting, Nashville, TE, February 14-18, 2015.
    • Walid Mohamed, Marquis Kirk, Di Yun, Sumit Bhattacharya, Kun Mo, Khaled Youssef, K.L. Murty, A.M. Yacout, “Characterization of Developed Microstructure of Nanocrystalline Copper Post Neutron and Ion Irradiation”, The 2015 TMS Annual Meeting, Nashville, TE, February 14-18, 2015.