Publications

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A
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.
Abdel-salam, M., W. Khalifa, and S. El-Hadad, "Hydroxyapatite Precipitation on Ti-6Al-4V and Ti-6Al-7Nb Alloys", Ceramic Transactions: The American Ceramic Society - Wiley, pp. 153-168, 2018.
Abdel-Salama, M., S. El-Hadad, and W. Khalifa, "Effects of microstructure and alloy composition on hydroxyapatite precipitation on alkaline treated α/β titanium alloys", Materials Science & Engineering C, vol. 104, issue 7, pp. 109974, 2019. msechap.pdf
Abdelrahman, M. S., M. T. Abdu, and W. Khalifa, "Assessment of Eutectic Modification Level in Al-Si Alloys via Thermal Analysis", Light Metals, Los Angelos, TMS, pp. 885-894, 2017.
E
El Nashar, R. M., A. M. El-Aziz, W. Khalifa, and N. T. Abdel Ghani, "Microstructure and corrosion behaviour of Al-Si alloy treated by high intensity ultrasonic vibrations", Ochrona przed Korozją (Corrosion Protection), pp. 34-39, 2012.
El-Aziz, A., D. S. Raid, and W. Khalifa, "Stability and corrosion behavior of A356 Al-Si alloy treated by high intensity ultrasonic vibrations", 14th All-Polish Corrosion Symposium-“New Achievements in Corrosion Research and Engineering”- 327th Event of the European Federation of Corrosion, Jastrząb/Poraj (near Czestochowa) Poland, 25th - 27th Nov., 2009.
El-Aziz, A. M., M. A. El-Hady, and W. khlifa, "Effect of High Intensity Ultrasonic Treatment on the Microstructure, Corrosion and Mechanical Behaviour of AC7A Aluminum Alloy", Light Metals, vol. 2016, pp. 721–724, 2016.
El-Aziz, A., D. S. Raid, and W. Khalifa, "Stability and corrosion behavior of A356 Al-Si alloy treated by high intensity ultrasonic vibrations", journal of Corrosion Protection, vol. vol. 52, issue No.11, pp. pp. 569, 2009.
El-Aziz, A. M., M. A. El-Hady, and W. khlifa, "Effect of High Intensity Ultrasonic Treatment on the Microstructure, Corrosion and Mechanical Behaviour of AC7A Aluminum Alloy", Light Metals, vol. 2016, pp. 721–724, 2016.
El-Aziz, A. M., W. Khalifa, H. Ahmed, and S. El-Taweel, "Structure and Corrosion Behaviour of Dissimilar Steel Weldments in Acid Media", German - Egyptian Year of Science & Technology, Materials Science Workshop, on Materials Based Manufacturing Technologies, CMRDI, Helwan, Cairo, Egypt., 7-9 May 2007.
El-hadad, S., M. Nady, W. Khalifa, and A. Shash, "Influence of heat treatment conditions on the mechanical properties of Ti–6Al–4V alloy", Canadian Metallurgical Quarterly , vol. 57, issue 2, pp. 186-193, 2018.
El-hadad, S., M. Waly, and W. Khalifa, "Microstructure Evolution and Mechanical Properties of α-β Heat Treated Ti-6Al-4V Alloys", MONTREAL’2015 AES-ATEMA 22nd International Conference “Advances and Trends in Engineering Materials and their Applications, Montreal, Canada, June 15-19, 2015.
El-Hadad, S., W. Khalifa, and A. Nofal, "Surface modification of investment cast-316L implants: Microstructure effects", Materials Science and Engineering: C, vol. 48, issue 3, pp. 320-327, 2015.
El-hadad, S., M. Ghaith, A. Yassin, M. Kamal‏, and W. Khalifa, "Optimizing the Surface Treatment Processes to Enhance the Bioactivity of Ti–6Al–7Nb Alloy", Transactions of the Indian Institute of Metals 73 ‏, vol. 73, issue 11, pp. 2727-2738, 2020.
El-Hadad, S., M. Ibrahim, M. Mourad, and W. Khalifa, "Ultrasonic Detection of Microstructure Features in Ti-Alloyed Ductile Iron", Trans Indian Inst Met, vol. 72, issue 9, pp. 2349–2358, 2019. ultrasonic_detectindian.pdf
El-Koussy, M. R., and W. Khalifa, "Investigation of the Main Cause of Driller String Stabilizer Failures", 1st International Quadrennial ICF Conference in Middle East and Africa, “Processing, Performance and Failure Analysis of Engineering Materials, Luxor, EGYPT., Nov. 14–17, 2011.
El-Mahallawi, I., W. Khalifa, A. Shash, and N. Aref, "Roadmap to Egyptian Casting Industry: Material Technology", International Conference on Industry Academia Collaboration, Cairo, Egypt, 6-8 April 2015.
El-Mahallawi, I., W. Khalifa, M. El-Saady, and M. R. El-Koussy, "Chapter 15 - Welding-associated failures in power boilers", Handbook of Materials Failure Analysis with Case Studies from the Chemicals, Concrete and Power Industries: Elsevier, 2016.
F
Fadl, M., W. Khalifa, and S. El-hadad, "Effect of Soaking Treatment on the Microstructure and Wear Behavior of the Ultrasonic Melt-Treated B390 Hypereutectic Al-Si Alloy", TMS Annual Meeting, Light Metals, vol. 2016, Nashiville, USA, TMS, pp. 821-825, 2016.
Fityan, A., S. El-Hadad, and W. Khalifa, "MICROSTRUCTURE AND MECHANICAL PROPERTIES OF HEAT TREATED Ti-6Al-7Nb ALLOY‏", Ceramic Trasnactions, 261: The American Ceramic Society - Wiley, pp. 169-178, 2018.
K
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