1 Teyfik Demir, PhD Şehit Osman Avcı mah. Selcuklular cad. Gölde Kent sitesi no:44 C Blok N: ERYAMAN - ETİMESGUT - ANKARA TÜRKİYE office: gsm: fax: Web: Research Interests Biomechanical Tests of Implants, Spinal Implant Manufacturing, Materials Science, Composite Materials, Powder Metallurgy, Computer Aided Manufacturing and Design, Ballistic Performance of Materials. Education Ph.D. ( ) TOBB University Of Economics and Technology Engineering Faculty, Mechanical Engineering (High Honour), Thesis completed under the co-supervision of MD, Prof. Dr. Hasan Çağlar Uğur- University of Ankara, Faculty of Medicine, Department of Neurosurgery. M.Sc. ( ) TOBB University Of Economics and Technology Engineering Faculty, Mechanical Engineering (High Honour) B.Sc. ( ) Selcuk University Engineering and Architecture Faculty, Mechanical Engineering (Honour) Thesis Titles M.Sc. :Inverstigation on the Balliscic Performance of Metallic and Laminated Composite Materials Against 7.62 mm Armour Piercing Pojectiles. Ph.D. :Biomechanical Performance Improvements on Spinal Surgery Prosthesis.
2 Computer Skills Visual Basic, Solidworks, ProEngineer, Catia, Autocad, Mimics, All Office Applications, Working Model. Qualifications Level-Experience Solidworks Catia 8 years 4 years Proengineer 3 years Autocad 9 years Materials Testing (Expert) 10 years Awards 2010, Outstanding Doctoral Student, TOBB ETU, Turkey. 2011, Best Ph.D. Thesis award, TOBB ETU, Turkey. 2012, Listed in 40 Medical Technology Innovators under 40, Medical Device and Diagnostic Industry, London. Projects: Developing a brand new pedicle screw system for osteoporotic incidents, Turkish Science foundation, $ (Principle Investigator) Medicle Device Design Center, Ministry of Development, $ (Consultant) Investigation on Thermal necrosis during the tibial cutting operations, Ministry of Health, $ (Principle Investigator) Mechanical Investigation on osteoporotic rat femurs, Turkish Science foundation, $ (Co-Principal Investigatior) Design and development of a cervical mobile disk prosthesis, Efmed, $ (Principle Investigator) 2011-Design of a modular anterior/posterior thoracolumbar plate, Metrosan Titania, $ (Principle Investigator) 2010-Inverstigation of Fracture reasons of Pedicle Screws, Norm Medical Devices, $ (Principle Investigator) 2011-Design and validating of a Transforaminal Lumbar Interbody Fusion device, Efmed, $ (Principle Investigator) Design of a fusionless cervical mobile disc prosthesis, Efmed, $ (Principle Investigator)
3 Patents Dr. Demir holds 13 patents related to spinal implants and testing equipments and 8 of them licensed to several companies. Selected Patents are below: - Pedicle screw system for osteoporotic incidents - Modular, Posterior/anterior thoracolumbar plate - Higher osteo-integrating pedicle screw Please contact for full list and details. Publications Books Proceedings of 5th International Powder Metallurgy Conference, Editors: Teyfik Demir, Mehmet Türker, Mustafa Übeyli and İbrahim Uslan, Proceedings of 6th International Powder Metallurgy Conference, Editors: Teyfik Demir, Mehmet Türker, Ali Kalkanlı, Arcan Dericioğlu, Yusuf Usta and İbrahim Uslan, Journal Papers Indexed by SCI and/or SCI-E Teyfik Demir, Iterative design and testing of a modular anterior plate for lumbar spine fixation applications, I- Mech E. Part H: Engineering in Medicine, Mustafa Ozdemir, Ismail Demirkale, Arslan Arslan, Teyfik Demir, Ayhan Comer, Metin Dogan, Necip Camuşcu, Comparison of various instrumentation techniques for spinopelvic fixation: A biomechanical study and intradiscal pressure evaluation in calf spine model, Spine (Under Review) Teyfik Demir, Necip Camuşcu ve Kudret Türeyen, Desıgn and bıomechanıcal testıng of pedıcle screw, I- Mech E. Part H: Engineering in Medicine, March 2012, 226: Teyfik Demir ve Necip Camuşcu, On the desıgn and performance of spınal fıxatıon pedıcle screw system,, I- Mech E. Part H: Engineering in Medicine, January (1): Übeyli, M., Deniz H., Demir, T., Ögel B., Gürel, B., Keleş, Ö., Ballistic impact performance of an armor material consisting of alumina and dual phase steel layers, Materials&Design, 32 (3), , (2011). B.S. Yılbaş, S. Khan, K. Raza, Ömer Keleş, Mustafa Übeyli, Teyfik Demir, M. Serdar Karakaş, Laser cutting of 7050 Al alloy reinforced with Al 2 O 3 and B 4 C composites, International Journal of Advanced Manufacturing Technology, 50 (1-4), , (2010). M. Übeyli, T. Demir, H. Deniz, R. O. Yıldırım, Ö. Keleş, Investigation on the ballistic performance of a dual phase steel against 7.62 mm AP projectile, Materials Science and Engineering A, 527 (7-8), , (2010).
4 Übeyli, M., Demir, T., Yıldırım R.O., Aycan, M.F., Effect of heat treatment on the formation of adiabatic shear bands in high strength steels impacted by AP projectiles. Kovove Materialy, Metallic Materials. 47, , (2009). O. Topçu, M. Übeyli, T. Demir, On the hardenability of an intercritically heat treated microalloyed steel, Instrumentation Science and Technology, 38(2), , (2010). Demir, T., Übeyli, M., Yildirim, R.O., Investigation on the ballistic impact behavior of various alloys against 7.62 mm armor piercing projectile, Materials & Design, 29 (10), , (2008). Demir, T., Übeyli, M., Yıldırım, R.O., Effect of hardness on the ballistic impact behavior of high strength steels against 7.62 mm armor piercing projectiles, Journal of Materials Engineering and Performance,18: (2009). Demir, T., Übeyli, M., Yıldırım, R.O., Karakaş, S., Response of alumina/4340 steel laminated composites against the impact of 7.62 mm armor piercing projectiles. Science and Engineering of Composite Materials, 16: 89-96(2009). M. Übeyli, T. Demir, Investigation on the radiation damage behavior of various alloys in a fusion reactor using thorium molten salt, Materials & Design, 29 (4), , (2008). M. Übeyli, T. Demir, A. Acır, S.Karakaş, On the surface roughness of Al- 4%Cu/B4C metal matrixcomposites machined by milling operation, Science and Engineering of CompositeMaterials, 15:2 P: (2008). Indexed by EI M. Übeyli, T. Demir, Radiation damage study at first wall structures of a hybrid type magnetic fusion reactor, 2006 ANS Annual Meeting, Reno USA, June 4-8, International Conferance Papers Demir, T., Übeyli, M., and Acar, E., "Optimization study on the aging treatment of B 4 C reinforced AA7064 composites," Materials Science and Engineering Conference, Darmstadt, Germany, August Demir, T., Türeyen, K., Übeyli, M., Yetik, H., On the biomechanical comparison of drilled and undrilled pedicle metallic bone screw, Materials Science and Engineering Conference, Darmstadt, Germany, August Demir, T., Übeyli M., Yıldırım RO., Effect of aging treatment on the ballistic behavior of aluminum alloy 7075 against 7.62 mm armor piercing projectiles, The Seventh International Scientific-Practical Conference, Research, Development and Application of High Technologies in Industry pp ,, Saint Petersburg, Russian Federation, April Teyfik Demir, Süleyman Sarıtaş, Nuri Durlu, Mustafa Übeyli, Powdersize measurements by sedimentation techniques, IPMC5 2009, Ankara, TÜRKİYE 8-12 November,2009. Teyfik Demir, Süleyman Sarıtaş, Mustafa Übeyli, Nuri Durlu, On the comparison of connecting rod production methods, IPMC5 2009, Ankara, TÜRKİYE8-12 November,2009.
5 Mustafa Übeyli, Adem Acır, M.Serdar Karakaş, Teyfik Demir, On the surface roughness of Al-4%Cu/B 4 C metal matrix composites machined by milling operation, IPMC52009, Ankara, TÜRKİYE 8-12 November,2009. Teyfik Demir, Mustafa Übeyli, R. Orhan Yıldırım, M. Serdar Karakaş, Investigation on the ballistic performance of Alumina/4340 steel laminated composite armor against 7.62 mm armor piercing projectiles, METAL 2008, Hradec nad Moravici, Czech Republic13-15, May, M. Übeyli, T. Demir, Radiation damage study for various materials at the first wall of an IFE type fusion reactor using thorium molten salt, ANS Annual Meeting, June 24-28, Boston, USA, M. Übeyli, T. Demir, Austenitic stainless steels for fusion energy reactor applications,13th International Conferance on Metallurgy &Materials Congress, TMMOB Metalurji Mühendisleri Odası, İstanbul Türkiye,November M. Übeyli, T. Demir, Radiation damage characterization for various structural materials in a hybrid reactor,13th International Conferance onmetallurgy & Materials Congress, TMMOB Metalurji MühendisleriOdası, İstanbul Türkiye, November National Conferance Papers M. Übeyli, T. Demir, Hava Araçları İçin Seramik Zırh Uygulamaları, Hasem Havacılık Sempozyumu, Ürgüp Türkiye, 2006 References: 1. Prof. Dr. Yücel Altunbaşak, President, The Scientific and Technological Research Council of Turkey, (my previous Rector) 2. Prof. Dr. Hasan Caglar Ugur, Department of Neurosurgery, University of Ankara, (Co-supervisor, Research colleague) 3. Prof. Dr. Necip Camuscu, Department of Mechanical Engineering, TOBB ETU, (My PhD supervisor)