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Amro M. Zaki
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Proceedings Papers

Effect of Fastener Under Head Contact on the Early Stage of Self-Loosening of Preloaded Countersunk Fasteners Subjected to Cyclic Shear Loading

Amro M. Zaki, Sayed A. Nassar
Proc. ASME. PVP2014, Volume 2: Computer Technology and Bolted Joints, V002T02A026, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28356
https://doi.org/10.1115/PVP2014-28356
View Paper titled, Effect of Fastener Under Head Contact on the Early Stage of Self-Loosening of Preloaded Countersunk Fasteners Subjected to Cyclic Shear Loading
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Topics: Fasteners, Shear (Mechanics), Clearances (Engineering), Elastic moduli, Excitation, Finite element analysis, Finite element model, Machining, Tension, Thread
Proceedings Papers

Inverse Solution for Bolt Preload Using Joint Surface Deformation

Amro M. Zaki, Sayed A. Nassar, Meyer Shillor, Serge Kruk
Proc. ASME. PVP2013, Volume 2: Computer Technology and Bolted Joints, V002T02A031, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97145
https://doi.org/10.1115/PVP2013-97145
View Paper titled, Inverse Solution for Bolt Preload Using Joint Surface Deformation
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Topics: Inverse problems, Stress, Surface deformation, Bolted joints, Electromagnetic scattering, Finite element analysis, Manufacturing, Torque, Clamps (Tools), Elasticity
Proceedings Papers

Criterion for Preventing Self-Loosening of Preloaded Countersunk Head Threaded Fasteners

Amro M. Zaki, Sayed A. Nassar, Xianjie Yang
Proc. ASME. PVP2011, Volume 2: Computer Technology and Bolted Joints, 369-380, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57385
https://doi.org/10.1115/PVP2011-57385
View Paper titled, Criterion for Preventing Self-Loosening of Preloaded Countersunk Head Threaded Fasteners
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Topics: Fasteners
Journal Articles

Effect of Conical Angle and Thread Pitch on the Self-Loosening Performance of Preloaded Countersunk-Head Bolts

Amro M. Zaki, Sayed A. Nassar, Xianjie Yang
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2012, 134(2): 021210.
https://doi.org/10.1115/1.4005058
Published Online: January 25, 2012
View Article titled, Effect of Conical Angle and Thread Pitch on the Self-Loosening Performance of Preloaded Countersunk-Head Bolts
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Topics: Fasteners, Thread, Friction, Bearings, Shear (Mechanics)
Journal Articles

Effect of Thread and Bearing Friction Coefficients on the Self-Loosening of Preloaded Countersunk-Head Bolts Under Periodic Transverse Excitation

Amro M. Zaki, Sayed A. Nassar, Xianjie Yang
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2010, 132(3): 031601.
https://doi.org/10.1115/1.4001621
Published Online: June 4, 2010
View Article titled, Effect of Thread and Bearing Friction Coefficients on the Self-Loosening of Preloaded Countersunk-Head Bolts Under Periodic Transverse Excitation
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Topics: Bearings, Excitation, Fasteners, Friction, Thread, Torque
Proceedings Papers

Effect of Coating Thickness on the Friction Coefficients and Torque-Tension Relationship in Threaded Fasteners

Amro M. Zaki, Sayed A. Nassar
Proc. ASME. PVP2008, Volume 2: Computer Applications/Technology and Bolted Joints, 253-261, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61723
https://doi.org/10.1115/PVP2008-61723
View Paper titled, Effect of Coating Thickness on the Friction Coefficients and Torque-Tension Relationship in Threaded Fasteners
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Topics: Bearings, Coating processes, Coatings, Fasteners, Friction, Tension, Thread, Torque
Journal Articles

Effect of Coating Thickness on the Friction Coefficients and Torque-Tension Relationship in Threaded Fasteners

Sayed A. Nassar, Amro M. Zaki
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 021301.
https://doi.org/10.1115/1.3085941
Published Online: March 9, 2009
View Article titled, Effect of Coating Thickness on the Friction Coefficients and Torque-Tension Relationship in Threaded Fasteners
Open the PDF for Effect of Coating Thickness on the Friction Coefficients and Torque-Tension Relationship in Threaded Fasteners in another window
Topics: Bearings, Coating processes, Coatings, Fasteners, Friction, Thread, Torque, Tension