Abbas, A., A. Seif, I. Elmahallawi, and W. Khalifa,
"Microstructure and Hardness of Subzero Quenched and Heat Treated Ti-6Al-4V Alloy",
Proceedings of the 3rd Pan American Materials Congress, Los Angelos, TMS, pp. 379-391, 2017.
Abd-Allah, M., W. Khalifa, S. A. Hafiz, K., and N. Abdel Raheem,
"Assessment of Flux Composition in A-TIG Weldments",
Metals Processing and Manufacturing Conference (MPM 2007) Nov. 19-22, Cairo – Egypt, CMRDI, pp. , pp. 9-23., 2007.
Abd-Allah, M., W. Khalifa, S. A. Hafiz, K., and A. Raheem,
"Effect of Flux on the Quality of A-TIG Welds",
Proceedings of The 9th Cairo University International Conference on Mechanical Design and Production (MDP-9), January 8-10, (2008), , Cairo, Egypt, pp. paper no. 277, 2008.
Abdel-Aziz, A., W. Khalifa, H. Ahmed, and S. El-Taweel,
"Structure and Corrosion Behavior of Dissimilar Steel Weldments in Acid Media",
Corrosion Protection, vol. 49, issue 11, pp. 275-81, 2006.
Abdel-Hakeem, A., M. Ghanem, W. Khalifa, and N. Abdel-Rehim,
"Effect of Welding Parameters of FSW on Microstructure, Tensile Strength and Bendability of AA2024-T4 Aluminum Alloy",
Bulletin of Tabbin Institute of Metallurgical Studies, vol. 2013, issue Jan, pp. 23-28, 2013.
Azzam, M., and W. Khalifa,
"Investigation of subsea oil pipeline rupture",
Engineering Failure Analysis, 2023, 152, 107415, vol. 152, issue 107415, pp. 1-25, 2023.