Education

Ph.D. candidate, Mechanical Engineering, Oakland University, 2009-present
M.S., Mechanical Engineering, Oakland University, 2009
B.S., Mechanical Design and Production Engineering, Mansoura University, Egypt, 2005

Affiliations

American Society of Mechanical Engineers (ASME); Engineering Society of Detroit (ESD)

Research Contributions

• Models for vibration loosening of countersunk fasteners
• Mathematical criterion for preventing vibration induced loosening
• Fasteners assembly control algorithm for optical control of bolt tightening
  

Teaching Interests

• Bolts and Fastened Joints
• Machine Design
• Lubrication, Friction and Wear
• Manufacturing Processes
  

Publications

Peer Reviewed Journal Publications

• Zaki, A.M., Nassar, S.A., S. Kurk, M. Shillor, 2012, "Inverse Solution for Bolt Preload using Surface Deformation," ASME Journal of Mechanical Design, In Review.
• Zaki, A.M., Nassar, S.A., Yang, X., 2012, "Threshold Preload Formulation for Preventing Vibration Induced Loosening of Countersunk-Head Bolts," ASME Journal of Pressure Vessels Tech., In Review. Sponsored by US Army TARDEC as part of contract # DAAE07-03-C-L110.
• Zaki, A.M., Nassar, S.A., Yang, X., 2012, "Effect of Conical Angle and Thread Pitch on the Self-Loosening Performance of Preloaded Countersunk-Head," ASME Journal of Pressure Vessels Tech., 134, 021210.
• Zaki, A.M., Nassar, S.A., Yang, X., 2010, "Effect of Thread and Bearing Friction Coefficients on the Self-Loosening of Preloaded Countersunk-Head Under Periodic Transverse Excitation," ASME Journal of Tribology, 132, 031601-1~11.
  
• Nassar, S.A., Zaki, A.M., 2009, "Effect of Coating Thickness on the Friction Coefficients and Torque-Tension Relationship in Threaded Fasteners," ASME Journal of Tribology, ASME Transactions, Vol. 131/021301-1~11.
  (Top ten downloaded articles - Journal of Tribology - APR 2009 & DEC 2011)

• Zaki, A.M., Nassar, S.A., Yang, X., 2011, "Criterion for Preventing Self-Loosening of Preloaded Countersunk Head Threaded," 2011 ASME Pressure Vessels and Piping Division Conference, PVP2011-57385.
  Sponsored by US Army TARDEC as part of contract #DAAE07-03-C-L110.
  (Outstanding Research Award, ASME Pressure Vessel and Piping Division, July 2012).
• Zaki, A.M., Nassar, S.A., Yang, X., 2010, "Vibration Loosening Model for Preloaded Countersunk-Head Bolts," 2010 ASME Pressure Vessels and Piping Division Conference, PVP2010-25069.
  
• Nassar, S.A., Zaki, A.M., 2008, "Effect of Coating Thickness on the Friction Coefficients and Torque Tension Relationship in Threaded Fasteners," 2008, ASME Pressure Vessels and Piping Division Conference, PVP2008-61723.

• Zaki, A.M., Nassar, S.A., Yang, X., 2011, "Criterion for Preventing Self-Loosening of Preloaded Countersunk Head Threaded Fasteners," 2011 ASME Pressure Vessels and Piping Division Conference, PVP2011-57385.
• ME Graduate Seminar, Zaki, A.M., 2010, Vibration Loosening Model for Preloaded Countersunk-Head Bolts.
• Zaki, A.M., Nassar, S.A., Yang, X., 2010, "Vibration Loosening Model for Preloaded Countersunk-Head Bolts," 2010 ASME Pressure Vessels and Piping Division Conference, PVP2010-25069.
• ME Graduate Seminar, Zaki, A.M., 2009
  Effect of Coating Thickness on the Friction Coefficients and Torque-Tension Relationship in Threaded Fasteners
  
• Nassar, S.A., Zaki, A.M., 2008, "Effect of Coating Thickness on the Friction Coefficients and Torque Tension Relationship in Threaded Fasteners," ASME Pressure Vessels and Piping Division Conference, PVP2008-61723.