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1. H.S. Hedia, M.A.N. Shbara, A. El-Fattah and El-Rassol “Effect of Coiling Temperature on the Fracture Toughness of Low Carbon Steel.” Mansoura Engineering Journal (MEJ) VOL. 15, NO. 1, June 1990.
2. H.S. Hedia, D.C. Barton, J. Fisher and T.T. El-Midany ”A Method for Shape Optimization of a Hip Prosthesis to Maximize the Fatigue Life of the Cement.” J. Med. Eng. Phys., VOL. 18, No. 8, pp. 647-654, 1996, An International Journal, UK
3. H.S. Hedia, D.C. Barton, J. Fisher and A. Ibrahim “Parameteric Optimisation of the Materials of a Charnley Hip Prostheses to Minimise Stress Shielding in the Proximal Bone Whilst Maximising the Fatigue Life of the Cement.” Transactions of the Annual Meeting of the Society for Biomaterials in conjunction with the International Biomaterials Symposium 2, 1996, pp. 500
4. H.S. Hedia, D.C. Barton, J. Fisher and T.T. El-Midany “Effect of FE Idealisation, Load Conditions and Interface Assumption on the Stress Distribution and Fatigue Notch Factor in the Human Femur with an Endoprosthesis.” J. Bio-Medical Materials and Engineering 6 (1995) 135-152, An International Journal, Japan.
5. H.S. Hedia, D.C. Barton, J. Fisher and A. Ibrahim “Shape Optimisation of Charnley Prosthesis Based on the Fatigue Notch Factor.” J. Bio-Medical Materials and Engineering 6 (1996) 199-217, An International Journal, Japan.
6. H.S. Hedia, D.C. Barton and J. Fisher “Material Optimisation of the Femoral Component of Hip Prosthesis based on the fatigue notch factor approach.” J. Bio-Medical Materials and Engineering 7 (1997) 83-98, An International Journal, Japan.
7. Hedia, H.S. “Shape and Material Optimisation of Charnley Prosthesis to Minimise Stress Shielding.” The 1st Minia International Conference for Advanced Trends in Engineering (MICATE’99), vol. 5, (14 - 16 March, 1999) 31- 59.
8. Hedia, H.S. “ A New Design of Cement and Stem Stiffness in Total Hip Replacement Using FEA and Optimisation Techniques” 7th Cairo University International Conference on Mechanical Design & Production (MDP-7), (February 15 -17, 2000).
9. Hedia H.S., Abdel-Shafi A.A.A, Fouda, N “Shape Optimization of Metal Backing for Cemented Acetabular Cup” J. Bio-Medical Materials and Engineering, Vol. 10, No.2, (2000),73-82, An International Journal, Japan.
10. Hedia,H.S. “ Parametric optimisation of materials for acetabular cup” J. Bio-Medical Materials and Engineering, Vol. 11, No.2, (2001), 79-88, An International Journal, Japan.
11. Hedia H.S., “Stiffness Optimisation of Cement and Stem Materials in Total Hip Replacement” J. Bio-Medical Materials and Engineering, Vol. 11, No.1, (2001), 1-10, An International Journal, Japan.
12. Hedia H.S., Abdel-Shafi A.A.A, Fouda, N "The effect of elastic modulus of the metal backing material on the fatigue notch factor and stress” J. Bio-Medical Materials and Engineering, Vol. 10, No.3-4, (2000), 141-156, An International Journal, Japan.
13. Hedia H.S., “Shape Optimisation to Maximise Crack Initiation Time” J. Bio-Medical Materials and Engineering, Vol. 11, No.4, (2001), 293-300, An International Journal, Japan.
14. Hedia H.S., “Stress and Strain Distribution Behavior in the Bone Due to the Effect of Cancellous bone, Dental Implant Material and the Bone Height” J. Bio-Medical Materials and Engineering, Vol.12, No.2, (2002),111-119, An International Journal, Japan.
15. Hedia H.S., Shabara M.A.N., “Effect of Notch Tip Sharpness and Pre-cracking on the Stress Intensity Factor” Finite Element Analysis of Compact Tension Specimen, J. Materialprüfung (Material Testing), Vol.44, No.4, (2002), An International Journal, Germany
16. Hedia H.S., A. A. Fattah, “The Effect of Notch Tip Sharpness and Pre-cracking on the Stress Intensity Factor II” Investigation of the Shear Loading Mode, J. Materialprüfung (Material Testing), Vol.44, No.4, (2002), An International Journal, Germany
17. A. A. Fattah, H.S. Hedia and E. Moukhtar, “ Effect of Reinforced Material on the Behavior of Cracks Emanating from a Circular Hole with Fitted Bolt Interference Under Uniaxial Loading” 12th International Mechanical Power Engineering Conference IMPEC, PP D27-D38, October 30 – November 1st. 2001, Mansoura, Egypt.
18. Hedia H.S and Mahmoud Nemat-Alla “Design Optimization of Functionally Graded Dental Implant” J. Bio-Medical Materials and Engineering. Vol 14, No.2, pp 133-143,2004, An International Journal, Japan.
19. M.A.N. Shabara and H.S. Hedia. "Fatigue Crack Growth Under Biaxial Stresses And Elevated Temperature For 304 Stainless Steel Plates" 4th International Engineering Conference (4th IEC), Sharm El-Shiekh, April 13-15. 2004.
20. Hedia H.S. "Shape Optimization of fillet to minimize the fatigue notch factor" METALL- Intl. Journal for Metallurgie, 58. Jahrgang · 7-8/2004
21. Hedia H.S, "Effect of cancellous bone on the Functionally Graded Dental Implant Concept", J. Bio-Medical Materials and Engineering, Vol. 15, No. 3, 2005, pp. 199-209, An International Journal, Japan.
22. Hedia H.S, "Effect of Coating thickness and its Material on the Stress distribution for Dental Implant" Journal of Medical Engineering & Technology, Vol. 31, No. 4, July 2007 An International Journal, UK.
23. Hedia H.S, M.A. Shabara, T.T. El Midany and N. Fouda " Improving the Performance of the Cementless Metal-Backed Acetabular Cup Prostheses through Functionally Graded Material" 8th International Conference on Production Engineering, Design and Control (PEDAC), Alexandria University, 2004, Alexandria, Egypt.
24. Hedia H.S, M.A. Shabara, T.T. El Midany and N. Fouda "A method of material optimization of cementless stem through functionally graded material", International Journal of Mechanics and Materials in Design, Vol. 1, (2004), pp. 329-346.
25. Hedia H.S. "Design of Functionally Graded Dental Implant in the Presence of Cancellous Bone" J Biomed Mater Res Part B: Appl Biomater, Vol. 75B, (2005), pp. 74–80, An International Journal, USA
26. H. S. Hedia, "Comparison of One-Dimensional and Two-Dimensional Functionally Graded Materials for the Backing Shell of the Cemented Acetabular Cup", Journal of Biomedical materials Research Part B: Applied Biomaterials, Vol. 74B, Issue 2, (2005), pp. 732-739. An International Journal, USA
27. Hedia H.S, M.A. Shabara, T.T. El Midany and N. Fouda. "A new design of a cementless hip stem using one and two-dimensional functionally graded materials" International Conference on Production Engineering and Design for Development, PEDD 7 to be held in Cairo, Egypt during the period 7-9 February 2006.
28. Hedia H.S., "The Effect of the Crack/Bondline Separation Distance on the Stress Intensity Factor for opening Mode: A Three-Dimensional Finite Element Analysis and Experimental Work" . Materialprüfung (Material Testing), Vol.48, No.11-12, (2006), pp. 551-557, An International Journal, Germany
29. H. Hedia, L.Allie, S. Ganguli, H. Aglan , "The influence of nanoadhesives on the tensile properties and Mode-I fracture toughness of bonded joints" Engineering Fracture Mechanics 73 (2006) 1826–1832
30. Hedia H.S, M.A. Shabara, T.T. El Midany and N. Fouda., “Improved Design of Cementless Hip Stems Using Two-Dimensional Functionally Graded Materials”, J Biomed MaterRes Part B: Appl Biomater 79B: 42–49, 2006, An International Journal, USA
31. Hedia H. S., Shabara M.A.N., Fattah A.A., Helal M.K., “Effect of notch configuration and pre-crack length on stress intensity factors: Study of the opening and shear modes using a three-dimensional finite element model”, J. Materialprüfung (Material Testing), Vol.47, No.10, (2005), pp. 561-567, An International Journal, Germany
32. Hedia H. S., Shabara M.A.N., Fattah A.A., Helal M.K., “Effect of crack configuration and pre-crack length on stress intensity factors: Study of the tearing mode using a three-dimensional finite element model”, J. Materialprüfung (Material Testing), Vol.47, No.10, (2005), pp. 568-573, An International Journal, Germany
33. Hedia H.S, T.T. El Midany, M.A. Shabara, and N. Fouda . “Design optimization of cementless metal-backed cup prostheses using the concept of functionally graded material” Biomed. Mater. 1 (2006) 127–133
34. Hedia H.S., "Three-Dimensional Finite Element Model For Evaluation The Stress Intensity Factors For Different Fracture Modes For Homogeneous Bimaterial" Accepted for Publication in the International journal of King Abdulaziz University - Engineering Sciences
35. Hedia H.S, "Effect of Coating thickness and its Material on the Stress distribution for Dental Implant" Journal of Medical Engineering & Technology, Vol. 31, No. 4, July 2007 An International Journal, UK.
36. Hedia H.S, S.M. Aldousari, , and N. Fouda " Improved Design of Cementless Hip Stems Using One Dimensional Functionally Graded Materials" METALL- Intl. Journal for Metallurgie, 61. Jahrgang · 3/2007. An International Journal Germany.
37. Hedia H.S., "Three-Dimensional Finite Element Model For Evaluation The Stress Intensity Factors For Different Fracture Modes For Homogeneous Bimaterial" International journal of JKAU: Eng. Sci., Vol 18 No.1,pp73-78 (2007)
38. Hedia, H., Elmidany, T., Kohail, A., and Elkotb, M., “Optimal Interference in Radial Cylindrical Roller Bearings”, Journal of Engineering and Applied Science, Faculty of Engineering, Cairo University, Vol. 54, No. 2, pp 189-204, April 2007.
39. Hedia, H., Elmidany, T., Kohail, A., and Elkotb, M., “Axial Load Capacity and Stresses in Combined Loaded Radial Ball Bearings”, Mansoura Engineering Journal, (MEJ), Vol. 32, No. 2, pp M.13-M.20, June 2007
40. H.S.Hedia, S.M. Aldousari, T.T.Elmidany and M.Kamel "Stress analyses around holes of plates for different types of materials." Accepted for publication in J. Materialprüfung (Material Testing), An International Journal, Germany
41. H.S.Hedia, S.M. Aldousari, T.T.Elmidany and M.Kamel " Design Optimization of the central distance of two holes in a plate for different types of materials and laminates.." Accepted for publication in J. Materialprüfung (Material Testing), An International Journal, Germany
42. H.S.Hedia, S.M. Aldousari and N. Fouda " Effect of Crack Configuration on the Stress Intensity Factors for Different Fracture Modes Of Homogeneous Bimaterial: A Three- Dimensional Finite Element Analysis. Accepted for publication in J. METALL- Intl. Journal for Metallurgie, Germany
43. H.S.Hedia, S.M. Aldousari, T.T.Elmidany and M.Kamel "Optimization of material composition of functionally graded materials plate containing a hole using FEM" Accepted for publication in J. METALL- Intl. Journal for Metallurgie, Germany
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