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 Dr. Merah, Neçar

​​

Professor                     

Contact Information

Office               Bldg-63 Room-352                              
Phone               966-13-860 2358                                     
Fax                   966-13-860 2949 (ME Dept)                                 
Email                nesar@kfupm.edu.sa
Websites          Personal Page                           

Education                                  

Ph.D.                                          

M.Sc.                                        

B.Sc                                          

Courses Taught

  • ME 307             Machine Design I
  • ME 308             Machine Design II
  • ME 308L           Machine Design II Lab
  • ME 205             Material Science
  • ME 205L           Material Science Lab
  • ME 412             Senior Design Project
  • ME 583             Fatigue and Fracture of Materials
  • ME 658             Analytical Fracture Mechanics

Representative Publications       

Papers published in refereed proceedings

  •  C3. Nizam, S., Merah N., Khan and Al-Sulaiman, F. "Sea Water and Temperature Effects onTensile and Stress Rupture Strengths of Glass Fiber Reinforced Vinylester and Epoxy Pipes", 3rd International Conference on: Applications of Traditional and High PerformanceMaterials in Harsh Environments, AUS UAE, Jan. 2008.
  • C4. Merah, N., Al-Aboodi A., Shuaib A. N., and Al-Nassar, "3-D FEA of the Effects ofLarge Overtolerances on Rolled Tube-Tubesheet Joint Strength", AMPT 2007, South Korea, Oct. 7-10, 2007.
  • C5. Al-Nassar Y., Al-Aboodi A., Merah N., and Shuaib A.N., "Numerical Comparative Study of 2D Simulation of Tube-to-Tubesheet Roller and Uniform Expansion" The International Conference on Modeling, Simulation and Applied Optimization, 2007, March 24-27, 2007, Abu Dhabi, United Arab Emirates.
  • C6. Al-Mouhamed Mayez A., Nazeeruddin Mohammad and Merah N., "Force-Based Compliant Behaviors To Augment Telerobotics", Proceeding Of The Fourth AUS International Symposium On Mechatronics AUS-ISMA07, AUS, Sharjah, U.A.E. March 26-29, 2007.
  • C7. Merah, N. "A Review of Life Estimation Models for Notched Components under Fatigue and Creep-Fatigue Loading", Accepted for publication in Proceedings of the International Conference on Modeling and Optimization of Structures Processes and Systems, ICMOSPS’07, 22 - 24 January (2007), Durban, South Africa.
  • C8. Khan Z. and Merah N.,"Fractographic Analysis of Fatigue Crack Growth in CPVC at Different Temperatures and Frequencies", Proceedings of the Conference on Advances in Materials and Processing Technologies (AMPT2006), Las Vegas, USA, (2006), CD.
  • C9. Merah, N. "Weathering Effect on Tensile and Fracture Toughness Properties of CPVC Extruded Pipe Material" Proceedings of AMPT2006, Las Vegas, USA, 31 July -3 Aug, (2006), CD. C10. Al-Aboodi A., Merah, N., Shuaib A. R., Al-Nassar Y. and Al-Anizi, S. S. “FEA of the Effects of Initial Tube-Tubesheet Clearance, Wall Reduction and Material Strain Hardening on Rolled Joint Strength”, Proceedings of ASME conference on Pressure Vessel & Piping (PVP), PVP 2006/ICPVT-11, Vancouver, Canada, (2006), CD.
  • C11. Shuaib, A. N., Merah, N., Ahmed, M., Al-Nassar, Y. and Al-Anizi, S., "Integrity of Roller Expanded Tube-to-Tubesheet Joints with Over-Enlarged Tubesheet Holes”, Proceedings ASME-PVP 2006/ICPVT-11 Vancouver, Canada, (2006), CD. C12. Al-Bin Mousa J., Merah N., Eleiche A., Arif, A. "Experimental & Numerical Analyses Of Mixed Mode Crack Initiation Angle" Proceedings of ESDA2006 8th Biennial ASME Conference on Engineering Systems Design and Analysis, Torino, Italy, (2006), CD.
  • C13. Al-Aboodi, N. Merah, A. N. Shuaib, Y. Al-Nassar And S. S. Al-Anizi "Groove Geometry Effect On Roller And Hydraulically Expanded Tube To Tubesheet Joint Strength" Proceedings of International Conference on Manufacturing Science and Technology, (ICOMAST), Melaka, Malaysia, Paper No: 539 (2006), , pp. 327-330.
  • C14. Al-Mouhamed M. A., Nazeeruddin, M. and Merah N. “Design and Analysis of Force Feedback in Telerobotics” Proceedings of 3rd International Symposium on Mechatronics, AUS-ISM06, UAE, (2006), CD.
  • C15. Merah N., Saghir F., Z. Khan and A. Bazoune,” Temperature effects on fatigue crack growth in HDPE pipe material”, Proceedings 2nd International Conference on: Applications of Traditional and High Performance Materials in Harsh Environments, AUS UAE, (2006), CD ISBN 9948-42704-1.
  • C16. Shafeeq, M. Khan, Z., Merah, N. and Mehdi M., “Effect Of Environment On The Tensile and Fatigue Resistance of Glass Fiber-Reinforced/Vinylester Composites” Proceedings of 2nd International Conference on: Applications of Traditional and High Performance Materials in Harsh Environments, AUS UAE, (2006), CD ISBN 9948-42704-1
  • C17. Naik, M. K., Al-Sulaiman F., Khan Z., Merah N., and Mehdi M., “Low Velocity Impact Behaviour of Composite Pipes” Proceedings of 2nd International Conference on: Applications of Traditional and High Performance Materials in Harsh Environments, AUS, (2006), CD ISBN 9948-42704-1.
  • C18. Al-Qahtani T., Merah N. and Khan Z. “Effects of Strain Rate and Temperature on Tensile Properties of CPVC Pipe Material” Proceedings of 2nd International Conference on: Applications of Traditional and High Performance Materials in Harsh Environments, AUS UAE, (2006), CD ISBN 9948-42704-1.
  • C19. Merah,N., Farrukh Saghir, Z. Khan and A.Bazoune, “Modeling the Combined Effects of Temperature and Frequency on Fatigue Crack Growth of CPVC”, Proceedings of the Conference on Advances in Materials and Processing Technologies (AMPT2005/COMMENT2005), Wisła, Poland, (2005), CD.
  • C20. Merah N., F. Saghir, Z. Khan and A. Bazoune, “Variation of Mechanical Properties of HDPE Pipe Material with Temperature”, Proceedings of Advances in Materials and Processing Technologies (AMPT2005), Wisła, Poland, (2005), CD.
  • C21. Merah N., and Saghir, F., “Frequency Sensitivity of Fatigue Crack Growth in CPVC at Different Temperatures”, Proceedings of International Conference on Materials for Advanced Technologies, 2004 (ICMAT), Kuala Lumpur, Malaysia, (2004), Vol. 1, pp. 873- 879.
  • C22. Merah, N., and Al-Qahatni, T., “Effect of Strain Rate and Temperature on Fracture Toughness of CPVC”, Proceedings of the 1st International Conference on Applications of Traditional and High Performance Materials in Harsh Environments, AUS, UAE, Jan. 20-22, (2004), CD.
  • C23. Merah, N, Irfan-ul-Haq, M. and Khan Z., “Effects of Injection Molding Weld on Fatigue Crack Resistance of CPVC at Different Temperatures” Proceedings of AMPT2003, Dublin, Ireland, (2003).
  • C24. Habib F., Khan Z., and Merah N., “Effect of Aging on the Microstructure and Fatigue Strength of Alloy 800 HT” Proceedings of AMPT2003, Dublin, Ireland, (2003). C25. Merah , N , Al-Zayer, A., Shuaib, A, and Arif, A., “Finite Element Investigation of Initial Clearance Effects on Tube-To-Tubesheet Joint Strength” Proceedings of the 6th Saudi Engineering Conference, (2002), pp. 371-384.
  • C26. Khan, Z., Khan, R., AL-Sulaiman, F., and Merah, N. “Fatigue Damage in Woven Carbon Fabric/Epoxy Laminates at Non-Ambient Temperatures,“ Proceedings of the 6th Saudi Engineering Conference, (2002), pp. 313-326.
  • C27. Merah, N, Irfan-ul-Haq, M. and Khan Z., “Temperature and Weld Effects on Monotonic Properties of CPVC”, Proceedings of the ASME Conference on Engineering Systems Design and Analysis (ESDA) ESDA 2002 Paper MAN057, (2002).
  • C28. Mezghani K, Merah, N., Khan, Z.,, Budair, M. O., Younas, M. and Olabisi, O., “Fracture Analysis of Crack Growth in CPVC Pipefittings at Different Temperatures,” Processing of the 17th Polymer Society Conference, Guimaraes, (2002).
  • C29. Merah, N, "Detecting and Measuring Surface and Subsurface Crack Size Using Electric Potential Techniques", Proceedings of the 1st Middle East Metrology Conference, Manama Bahrain, (2002), pp. 255-266.
  • C30. *Irfan-ul-Haq, M. and Merah, N., ” Effect of Temperature on Fatigue Crack Growth in CPVC,” Proceedings of the ASME Pressure Vessel and Piping Conference, Atlanta, Georgia, PVP-Vol. 430, (2001), pp. 393-401.
  • C31. Shuaib, A. N., Merah, N., Khraisheh, M., I. Allam, and Al-Anizi, S., “Experimental Investigation of Heat Exchanger Tube Sheet Hole Enlargement,” Proceedings of the ASME Pressure Vessel and Piping Conference, Atlanta, Georgia, PVP-Vol. 426, (2001), pp. 229-233.
  • C32. Merah, N., Khan, Z., Mezghani K., Budair, M. O., Younas, M. and Olabisi, O., “Crack Propagation in the Weld Zone of CPVC Couplings,” Proceedings of The 9th Middle Eastern Corrosion Conference, Manama, Bahrain, (2001), pp. 465-478.
  • C33. Khan, Z. Merah, N., Mezghani, K. Olabisi, M. O., and Budair, M. O. “The Fatigue Resistance Crack of CPVC Pipe Fittings,” Proceedings of The 9th Middle Eastern Corrosion Conference, Manama, Bahrain, (2001), pp. 479-489.
  • C34. Merah, N. “High Temperature Fatigue and Creep-Fatigue Crack Growth Monitoring by Electrical Potential Technique” Proceedings of the AMPT’99 and IMC 16 International Conference, Dublin, Ireland, (1999), Vol. 2, pp. 983-991.
  • C35. Bui-Quoc, T., Bernard, M. and Merah, N. "Crack Propagation from Notches under LCF Conditions: Fatigue Crack Propagation at room and High Temperatures,” Proceedings of  The ASME Pressure Vessel and Piping Conference, Honolulu, Hawaii, (1995), 306, pp. 171-178.
  • C36. Merah, N., Bui-Quoc T., and Bernard, M. "A Kt-Based Method for Calculating LCF Life of Notched Specimens," Proceedings of The ASME Pressure Vessel and Piping Conference, Denver, Colorado, (1993), Vol. 263, pp. 91-98.
  • C37. Shadley, J. R., Merah, N. and Reybicky, E. F. "The Effect of Induction Heating Stress Remedies on Existing Flaws in Pipes," Proceedings of The ASME Pressure Vessel and Piping Conference, Orlando, Florida, (1982), (Paper No. 82-PVP-45). 

Publications in Refereed Journals

  • Al-Mouhamed M. A., Nazeeruddin, M. and Merah N. “Design and Analysis of Force Feedback in Telerobotics” IEEE Trans. on Instrumentation and Measurements (accepted, Nov. 2007).
  • Merah, N., Al-Aboodi A., Shuaib A. N., and Al-Nassar, "3-D FEA of the Effects of Large Overtolerances on Rolled Tube-Tubesheet Joint Strength", Journal of Materials Processing Technology, (accepted, Oct. 2007).
  • Al-Aboodi A., Merah N., Shuaib A. N. and Al-Nassar Y. "FEA of Groove Geometry Effect on Roller and Hydraulically Expanded Tube to Tubesheet Joint Strength", International Journal of Materials and Product Technology, Inderscience UK (accepted, May 2007).
  • Khan Z., Habib F., and Merah N., “Effect of Thermal Aging on the Microstructure and Fatigue Strength of Alloy 800 HT”, International Journal of Microstructure and Materials Properties, (2008), Vol. 3/4.
  • Merah, N., Farrukh Saghir, Z. Khan and A.Bazoune, "Temperature and Loading Frequency Effects On Fatigue Crack Growth In HDPE Pipe Material", Arabian Journal for Science and Engineering, Vol. 31/2C, (2006), pp. 19-30.
  • Merah, N., Badr, H., Khan, Z., Gasem, Z., Boukhili, R., Shirokoff, J., Su, S.W., "Theme issue on fatigue and fracture of materials", Arabian Journal for Science and Engineering 31/2 C, pp. iii-iv.
  • Merah N., "Natural Weathering Effects on Some Properties of CPVC Pipe Material", Elsevier’s Journal of Materials Processing Technology, Vol. 191/1-3, (2007), pp.198-201.
  • Khan Z. and Merah N., "Temperature and Frequency Effects on the Fatigue Crack Growth Process in CPVC Pipe Fittings", e-Polymers Journal, (5 June 2007), Article number 060.
  • Al-Aboodi A., Merah, N., A. R. Shuaib, Y. Al-Nassar and S. S. Al-Anizi, "Modeling The Effects Of Initial Tube-Tubesheet Clearance, Wall Reduction And Material Strain Hardening On Rolled Joint Strength" ASME Jl. of Pressure Vessel Technology, to appear in Nov. 2008.
  • Shuaib, A. N., Merah, N., Ahmed, M., Al-Nassar, Y. and Al-Anizi, S., "Integrity of Roller Expanded Tube-to-Tubesheet Joints with Over-Enlarged Tubesheet Holes”, ASME Jl of Pressure Vessel Technology (2008), Vol. 130, pp. 1-6.
  • Merah N., F. Saghir, Z. Khan and A. Bazoune, “Variation of Mechanical Properties of HDPE Pipe Material with Temperature” Journal of Plastics, Rubber and Composites: Macromolecular Engineering, Vol. 35/5, (2006), pp. 226-230.
  • * Merah N., F. Saghir, Z. Khan, and A. Bazoune “A Study of Frequency and Temperature Effects on Fatigue Crack Growth Resistance of CPVC”, Journal of Engineering Fracture Mechanics, Vol. 72/11 (2005) pp. 1691-1701.
  • Merah, N., Farrukh Saghir, Z. Khan and A.Bazoune, “Modeling the Combined Effects of Temperature and Frequency on Fatigue Crack Growth of CPVC”, Elsevier’s Journal of Materials Processing Technology, (2005) Vol. 164-165C pp. 1550-1553 .
  • Merah N., M. Irfan-ul-Haq, and Z., Khan, “Effects of Injection Molding Weld on Fatigue Crack Resistance of CPVC at Different Temperatures,” Elsevier’s Journal of Materials Processing Technology, 155-156C (2004), pp. 1261-1265.
  • Merah, N., Al-Zayer, A., Shuaib, A. and Arif, A., “Finite Element Evaluation Of Clearance Effect On Tube-To-Tubesheet Joint Strength”, International Journal of Pressure Vessels and Piping, Vol. 80/12, (2003), pp. 879-885.
  • Merah, N., Irfan-ul-Haq, M. and Z. Khan, “Temperature and Weld Effects on Mechanical Properties of CPVC”, Elsevier’s Journal of Materials Processing Technology, Vol. 142/1 (2003), pp 247-255.
  • Merah, N., “Detecting and Measuring Flaws Using Electrical Potential Techniques”, Journal of Quality in Maintenance Engineering, Vol. 9 No. 2 (2003).
  • Irfan-ul-Haq, M. and Merah, N.,” Effect of Temperature on Fatigue Crack Growth in CPVC,” ASME Journal of Pressure Vessel Technology, Vol. 125/1 (2003), pp. 71-77.
  • Shuaib, A. N., Merah, N., Khraisheh, M., I. Allam, and Al-Anizi, S., “Experimental Investigation of Heat Exchanger Tube Sheet Hole Enlargement,” ASME Journal of Pressure Vessel Technology, Vol. 125/1 (2003), pp. 19-25.
  • Khan, Z., Rehan I. K, Al-Sulaiman, F., and Merah, N., “Fatigue Damage in Woven Carbon Fabric/Epoxy Composites at Non-Ambient Temperatures”, Journal of Composite Materials, Vol. 36, No. 22, (2002), pp. 2517-2535.
  • Merah, N., Khan, Z., Mezghani K., Budair, M. O., Younas, M. and Olabisi, O., “Fatigue Crack Propagation in Weld Zone of CPVC Pipe Fittings at Different Temperatures,” Journal of Polymer Engineering, Vol. 21, No. 6, (2001), pp. 521-542.
  • Merah, N., “DC Potential Drop Calibration in Creep-Fatigue Loading Conditions,” ASTM Journal of Testing & Evaluation, Vol. 28/ 4, (2000), pp. 301-306.
  • Merah, N., "Notch Strengthening Phenomenon Under Creep-Fatigue Loading Conditions,” ASME Journal of Pressure Vessel Technology, Vol. 122/1, (2000), pp. 15-21.
  • Merah, N., Bui-Quoc T. and Bernard, M., "Creep-Fatigue Crack Growth in Notched SS- 304 Plates at 60°C," Jl. Engineering Fracture Mechanics, Vol. 63, (1999), pp. 39-55.
  • Merah, N., Bui-Quoc,T. and Bernard, M., "Notch and Temperature Effects on Crack Propagation in SS 304 Under LCF Conditions," ASME Journal of Pressure Vessel Technology, Vol. 121/1 (1999), pp. 42-48.
  • Merah, N., Bui-Quoc,T. and Bernard, M., "Calibration of DC Potential Technique Using an Optical Image Processing System in LCF Testing," ASTM Journal of Testing & Evaluation, Vol. 23/3, (1995), pp. 160-167.
  • Merah, N., Bui-Quoc, T. and Bernard, M., "A Kt-Based Method for Calculating LCF Life of Notched Specimens," ASME Journal of Pressure Vessel Technology, Vol. 116/4, (1994), pp. 403-408.
  • Ranganathan, N., Jendoubi, K. and Merah, N., "Experimental Characterization of the Elastic-Plastic Strain Fields at the Crack Tip Due to Cyclic Loading," ASME Journal of Engineering Materials and Technology, Vol. 116, (1994), pp. 187-192.
  • Jendoubi, K., Ranganathan N., and Merah, N., "Effect of Thickness on Elasto-Plastic Deformation and Hysteretic Energy Dissipated at Crack Tip," ASTM Journal of Testing and Evaluation, Vol. 19/3, (1991), pp. 201-209.
  • Shadley, J. R., Merah, N. and Reybicky, E. F., "The Effect of Induction Heating Stress Remedies on Existing Flaws in Pipes," ASME Journal of Pressure Vessel, Vol. 104, (1982), pp. 193-197.
  • #17 of Top 25 articles of the Engineering Fracture Mechanics Journal, Hottest Articles on Science Direct (2005 most downloaded articles).

Journal Papers submitted or under preparation papers 

  • Merah N., Al-Aboodi A., Shuaib A. N., and Al-Nassar "Combined Effects of Projection and Initial Clearance on Rolled Tube-Tubesheet Strength" submitted to International Journal of Pressure Vessel and Piping.
  • Merah N. and Al-Bin Mousa J., "Experimental and Numerical Determination of Mixed Mode Crack Initiation Angle" submitted to ASTM Jl of Testing and Evaluation (JTE101654-08).
  • Khan Z., Al-Sulaiman F., Merah N. and Naik, M. K., "Hydro-Burst Testing Of Filament-Wound Glass Fiber Reinforced Thermoset Pipes", Submitted March 2007 to Polymer Composites Jl, PC-07-0143.
  • Khan Z., Naik, M. K., Al-Sulaiman F.,and Merah N., "Velocity Impact Response of Filament-Wound Glass-Fiber Reinforced Thermoset Composite Pipes". Submitted (April 2007) to Polymer Composites Jl, PC-07-0170.
  • Merah N. and Al-Qahtani T., "Effects of Strain Rate and Temperature on Tensile Properties of CPVC Pipe Material" Submitted to Jl of Plastics, Rubber and Composites: Macromolecular Engineering, (PRCME2541).
  • Al-Nassar Y., Al-Aboodi A., Merah N., Shuaib A. N., and Al-Aniz​i S., "A Comparative Study of Roller and Hydraulic Expansion of tube-to-tubesheet joint using a 2D FE Simulation", to be submitted to JMPT.