Materials Characterization: Scanning and transmission electron microscopy, XRD, SIMS etc.

Transcription

1 Özgeçmiş Sheffield Polytechnic, ENGLAND, Ph.D, 1974 Istanbul Technical University, TURKEY, Mining Faculty, Metallurgical Eng. M.S., B.S Düzce High School, TURKEY 1965 PROFESSIONAL POSITIONS Present : Professor at I.T.U. Faculty of Chemical and Metallurgical Engineering President of I.T.U. High Technological Ceramics and Composites Research Center 1991 / 1992 : Head of Materials Research Department at the TUBITAK Marmara Research Center 1989 /1990 : Councellor of the Ministry of State 1977 / present: Assistant doctor and professor (1989) at I.T.U. Faculty of Chemical and Metallurgical Engineering 1975 / 1977 : Assistant specialist in TUBITAK Marmara Research Center, to establish an electron microscopy laboratory. Worked in the project about quality control for the Karabuk Iron&Steel Works Company 1974 / 1975 : Post-doctorate lectures in Sheffield Polytechnic COURSES: Undergraduate Courses: Materials Science II Electron Microscopy Physical Metallurgy and Metallurgical Design of Steels Graduate Courses Methods of Microanalysis with Electron Microscope FIELDS of PROFESSIONAL INTEREST High Technological Ceramics and Composites: Synthesis of boron carbide, boron nitride, SIALON, silicon nitride, silicon carbide, magnetic oxides, partially stabilized zirconia (PSZ), lead zirconate titanate (PZT) type piezoceramics. Production and characterization of their composites. Materials Characterization: Scanning and transmission electron microscopy, XRD, SIMS etc. Metallic Alloys: Ferrous and non-ferrous alloys, superalloys, Fe-Si-B metallic glass system,. Powder Metallurgy PVD and PECVD thin film coating AWARDS Cobalt Information Center Scholarship

2 PUBLICATIONS INTERNATIONAL PUBLICATIONS 1) A. Tekin, A. Wirth, The Structure and Properties of Fe-Mn-Co-Mo Alloys, Practical Metallography, Part (1), Vol. 22, p , ) A. Tekin, A. Wirth, The Structure and Properties of Fe-Mn-Co and Fe-Mn-Co-Mo Alloys, Practical Metallography, Part (2), Vol. 22, p , ) A. Tekin, A. Wirth, The Structure and Properties of Fe-Mn-Co and Fe-Mn-Co-Mo Alloys, Practical Metallography, Part (3), Vol. 22, p , ) A. Tekin, E. Ekinci, Sulphur in Turkish Lignites and Possible Remedies International J. Enviromental Studies, Vol 34, p , ) A. Tekin, S. Pekin, A. Yuksel, Microstructural and Mechanical Property Development in Mg- PSZ (Partially Stabilized Zirconia), Ceramics Today-Tomorrow s Ceramics P. Vincenzini (Ed), p:1701, ) O. Yucel, O. Addemir, A. Tekin, S. Nizamoglu, Recovery of Cobalt From Copper Slags, Mineral Processing and Extractive Metallurgy Review, Vol 10, p , ) M.F. Yardim, A. Tekin, S. Nizamoglu, O. Addemir, Fludized Bed Roasting Process for Desulphurization of Schellite, Mineral Processing and Extractive Metallurgical Review, vol 10, p , ) M. Ozel, I. Akgun, F. Erdogan, M. Hiz, S. Altintas, K. Guven, M. Arik, A.Tekin, Morphological and Chemical Features of Biological Hydroxyapatite, International Biomedical Eng. Days, p 239, ) S. Dilmac, C.Toy, S. Pekin, A. Tekin, Radiative Properties of Polymer Coatings from the Points of View on Energy Conversion, Energy and Buildings, Vol 19, p 87-92, ) S. Alkoy, C. Toy, S. Pekin, A. Tekin, Turbostatic-Hexagonal Structure Transition in Hexagonal Structure Transition in Hexagonal BN Synthesis, 3 rd European Ceramics, Vol.1, pp: , Spain ) N. Kuskonmaz, C. Toy, O. Addemir, A. Tekin, Si 3 N 4 and SiC formation From Rice Husk 3 rd European Ceramics, Vol.1, pp: , Spain, ) H. Sesigur, E. Acma, C. Toy, O. Addemir, A. Tekin, Characterization of Magnetic Fe 2 O 3, 3 rd European Ceramics, Vol.1., pp: , Spain, ) N. C. Birla, T. Baykara, A. Tekin, Powder Metallurgy Problems and Promises Tr. J. Of Enviromental Sciences, Vol 18, p , ) S. Onurlu, A. Tekin, Effect of Heat Treatment on Insoluble Intermetallic Phases Present in 6063 Alloy, Journal of Materials Science, vol 29, p , ) S. Onurlu, A. Tekin, Transformation of b-alfesi Phase in AA 6063 Aluminum Alloy During Homogenization, J. Of Materials Characterization, ) T. Yeter, E. Acma, A. Tekin, The Effect of Deoxidation of Copper by CaB 6 on the Electrical Conductivity and Mechanical Properties of Copper, Tr. J. Of. Eng. And Enviromental, vol 19, ) C. Toy, G. Goller, A. Tekin, C. K. Gupta, The Production of Boron Carbide by Carbothermic Reduction, High Temperature Materials and Processes, vol 15, No 1-2, ) S. Samer, E. Acma, O Addemir, A. Tekin, The Purification Bayer Process Alumina by Chlorination The Indian Institute of Metals, 1996

3 19) M. Cirakoglu, C. Toy, A. Tekin, The Preparation of Titanium Diboride by Carbothermic Reduction The Indian Institute of Metals, ) M. Cirakoglu, C. Toy, A. Tekin, W.D. Scott, The Fabrication of Aluminum Nitride-Boron Carbide- Aluminum Composites by Wetting Assisted Infiltration Ceramics International, ) N. C. Birla, K. Gultekin, O. Addemir, A. Tekin, Effect of Impurities on Amorphous Ribbon Forming and Crystallization in the Fe-B-Si System, Can. Metallurgical Quarterly, vol 35, p , ) N. Kuskonmaz, A. Sayginer, C. Toy, E.Acma, O. Addemir, A. Tekin Studies on the Formation of Silicon Nitride and Silicon Carbide from Rice Husk High Temperature Materials and Processes, Vol: 15, No: ) C. Toy, G. Goller, A. Tekin, C.K.Gupta The Production of Boron Carbide by Carbothermic Reduction High Temperature Materials and Processes, Vol: 15, No: ) O. Yucel, F.Cinar,O.Addemir, A. Tekin, The Preparation of Ferroboron and Ferrovanadium by Aluminothermic Reduction High Temperature Materials and Processes, Vol: 15, No: ) F.S. Cinar, J.C.T. Van Der Heijde, R.A.Terpstra, A. Tekin, The Preparation of b-sialon from Caolin by Carbonitrothermic Reduction High Temperature Materials and Processes, Vol: 15, No: ) G. Goller, D.P Kotty, S.N. Tewari, S. Singh, A. Tekin, Wear and Fraction Behaviour of Metal Impregnated Microporous Carbon Composites, Met. Trans. A, Vol 27, p 3727, ) A. Arslan Kaya, H. Kazdal Zeytin, A. Tekin, Microstructural Evaluation in a Ni-Cr-Co Based Superalloy During Cooling, J. Of Materials Characterization, v 38:1-10, ) S.Alkoy, C. Toy, T. Gonul, A.Tekin, Crystallization Behaviour and Characterization of Turbostratic Boron Nitride J. of European Ceramic Society vol. 17, p , ) M.C. Somani, N.C Birla, A. Tekin, Solid-State Diffusion Welding of Wrought A Stainless Steel to Nimonic AP- 1 Superalloy Powder by HIP Welding Research Supplement, vol 77, No:2, Feb INTERNATIONAL CONGRESSES 1) A. Tekin, A. Wirth, The Structure and Properties of Austenite in Fe-Mn-Co and Fe-Mn-Co- Mo Alloys 8 th Eurepean Electron Microscopy Conference, Budapest, Hungary, August ) A. Tekin, E. Ekinci, Sulphur Forms in Turkish Lignites and Possible Remedies, 9 th European Enviromental Pollution Congress, Corfu, Greece, May ) O. Addemir, A. Tekin, Electorn Microscopic Invesitgation on Cobalt Containing Granulates Obtained from Historical Kure-Turkey Copper Slags from Genevian Period, Balkan Congress on Electron Microscopy, Athens, Greece, September ) E. Demirkesen, S. Ozgen, A. Tekin, The Effect of Fabrication Principles on Properties of Spinell Based Refractories, The American Cermic Soc. Inc., 92 nd Annual Meeting and Exposition, Dallas Texas, April ) E. Ekinci, A. Tekin, S. Nizamoglu, O. Addemir, Fludized Bed Roasting Process for Desulphurization of Schellite, Extractive Metallurgy Congress, Mumbai, India, January

4 6) O. Yucel, O. Addemir, A. Tekin, The Optimization Parameter for the Carbothermic Production of Ferroboron INFACON 6, Proceedings of the 6 th International Congress, Cape Town, Vol 1, p , Johannesburg SAIMM, March ) F. Cinar, H. Sesigur, O. Yucel, O. Addemir, A. Tekin, Production of Ferrovanadium form Vanadium Slags, Recycling of Metals International Conference ASM, Dusseldorf, Germany, May ) E. Acma, C. Toy, O. Addemir, A. Tekin, Benefication of Copper Slag for the Production of Magnetic Oxides, Recycling of Metals International Conference ASM, Dusseldorf, Germany, May ) S. Pekin, A. Tekin, C. Toy, T. Baykara, The Reaction Rate Controlling Steps and Turbostratic Hexagonal Structure Transition in h-boron Nitride Synthesis, European Conference, J. Euromat, Lausanne, Switzerland, August ) C. Toy, G. Goller, A. Tekin, T. Baykara, Reaction for the Production of Boron Carbide Powder, United Nations Economic Comission for Europe, Seminar on New Materials and Their Applications in Engineering Industries, Kiev, Ukraine, October ) H. Erkalfa, Z. Misirli, T. Baykara, Atekin, Processing of High Alumina Ceramic Suspensions Using Polyelectrolites, United Nations Economic Comission for Europe, Seminar on New Materials and Their Applications in Engineering Industires, Kiev, Ukraine, October ) E. Acma, H. Sesigur, C. Arslan, O. Addemir, A. Tekin, Production of Copper, Cobalt and Magnetic Iron Oxide from the Ancient Copper Slags The Poul E. Queneau Symposium on Extractive Metallurgy of Nickel, Cobalt and Associated Metals, 1993, TMS Annual Meeting Denver Colorado, February ) A. Tekin Recent Reseach Activities Related to Advance Ceramics in ITU, 11 th Conference on Glass and Ceramics, Varna, Bulgaria, October ) O. Yucel, B. Kerti, O. Addemir, A.Tekin, Crytallization and Phase Analysis of Amorphous Fe 78 -B 13 -Si 19, 11 th Conference on Glass and Ceramics, Varna Bulgaria, October ) S. Alkoy, C. Toy, A. Tekin Reaction Parameters of Hexagonal BN Synthesis in a Rotary Tube Furnace, 11 th Conference on Glass and Ceramics, Varna, Bulgaria, October ) G. Goller, C. Toy, A. Tekin, Powder Characterization and Lattice Constant Refinement of Boron Carbide Produced by Carbotheric Reaction of Boric Acid, 11 th conference on Glass and Ceramics, Varna, Bulgaria, October ) H. Sesigur, E. Acma, O. Addemir, A. Tekin, Characterization of Cobalt Modified Fe 2 O 3, 11 th Conference on Glass and Ceramics, Varna, Bulgaria, October ) G. Goller, C. Toy, A. Tekin, C.K. Gupta, Determination of Mineralizing of Salt Addition on B- C System for Boron Carbide Reaction 8 th CIMTEC World Ceramic Congress, Florence, Italy, 28 June-4 July ) O. Yucel, A. Tekin, Aluminum / Boron Carbide Composites 8 th CIMTEC World Ceramic Congress, Florence, Italy, 28 June-4 July ) F.S.Cinar, J.C. Van Der Hejde, R.A. Terpstra, A. Tekin, Processing of SiAlON from Kaolin 8 th CIMTEC World Ceramics Congress, Florence, Italy, 28 June-4 July ) H. Sesigur, E. Acma, O. Addemir, A. Tekin, The Comparison of Production Techniques of Cobalt Modified Magnetic Iron Oxide 8 th CIMTEC World Ceramics Congress, Florence, Italy, 28 June-4 July 1994

5 22) A. Sayginer, N. Kuskonmaz, E. Acma, O. Addemir, A. Tekin, Synthesis of SiC and Si 3 N 4 Mixture from Rice Husk 8 th CIMTEC World Ceramic Congress, Florence, Italy, 28 June-4 July ) S. Samer, C. Toy, A. Tekin, Determination of Na Content and Particle Size Distribution of Al 2 O 3 Powders After Calcination with AlF 3 8 th CIMTEC World Ceramics Congress, Florence, Italy, 28 June-4 July ) M. Cirakoglu, C. Toy, A. Tekin Characterization of TiB 2 Powders Synthesized by Carbothermic Method 8 th CIMTEC World Ceramics Congress, Florence, Italy, 28 June-4 July ) M. Cirakoglu, C. Toy, A. Tekin, W.D. Scott Processing of AlN-B 4 C/ Al Composites 8 th CIMTEC World Ceramics Congress, Florence, Italy, 28 June-4 July ) O. Yucel, O. Addemir, A. Tekin, Mechanism of Ferroboron Formation in a DC Arc Furnace INFACON 7, Trondheim, Norway, June ) H. Chiarac, M. Marinescu, M. Tomut, A. Tekin, O. Yucel, Influence of the Boron Alloying Mode on the Amorphous Fe-B-Si Ribbons casting and on Their Magnetic Properties, Proceedings of the 5 th International Workshop on Non Cryst. Solids, Spain, ) N. Birla, O. Addemir, A. Tekin, Crystallization and Characterization of Melt Spun Fe-B-Si Ribbons with Controlled Impruties, 3 rd International Congress on Solidification and Gravity, April ) N. Kuskonmaz, O. Addemir, A. Tekin, Invesitigation of Whisker Microstructure and Growth Mechanism by Electron Microscopy, 12 th National Congress on Electron Microscope, September ) C. Celiker, G. Goller, A. Tekin, Determination of the Phases Formed in the Hot-Pressed B 4 C Plates by Electron Microscope, 12 th National Congress on Electron Microscope, September ) H. K. Zeytin, A. Tekin, TEM and SEM Observations on a Cast Cr-Ni-Co Superalloy, 12 th National Congress on Electron Microscope, September ) G. Goller, D. P. Kotty, S. N. Tewari, S. Singh, A.Tekin, Wear and Friction Behavior of Metal Impregnated Microporous Carbon Composites X. International Tribology Conference, Cincinati, May ) G. Goller, D. P. Kotty, S. N. Tewari, S. Singh, A.Tekin, Tribological Behaviour of Pressure Infiltration Cast Carbon Composites International Conference on Glass and Ceramic. Varna, Bulgaria, ) H. Sesigur, N.Yosma, E.Acma, A.Tekin, Charactezation of Geothite That is Used for Production of g-fe 2 O 3 International Conference on Glass and Ceramic. Varna, Bulgaria, ) F.Cinar, O Addemir, A. Tekin, The Effects of Pellet Size and C-content of Pellets on b- SiAlON Formation by Carbothermal Reduction and Nitiridation of Kaolin, International Conference on Glass and Ceramic. Varna, Bulgaria, 1996 RESEARCH PROJECTS Projects Currrently Carrying on 1. The Comparison of Boron Carbide, Wolfram Carbide Cobalt Fe CVD for Complex Sectioned Extrusion Dies with, ALTAS

6 2. The Development of Non-Asbestos Materials for Brake Clutchs, FRENTEK 3. The Development of Novel High Thermal and Electircal Conductivity Copper Alloys, POLYMETAL 4. Design of In-Vacuum Centrifuge and Rapid Soldification Systems For the Jewellery Industry, GIRAS KUYUMCULUK 5. High Technology Ceramics and Composites Center, DPT 6. Recycling of Seydisehir Plant s Vanadium Cakes, PROSES 7. Development of Low Permeability Fuel Pipes, TEKLAS 8. The Development of Automobile Mufllers and Exhaust Systems, BOSAL MIMAYSAN Completed Projects 1. Thixo-Casting of Aluminum-Magnesium Alloys, ERTAS ALUMINUM 2. Improving the Production Technologies of Elastomere Coated Rolls, KAVSAN 3. The Research and Development of Zinc Oxide Based Raw Materials For the Medical and Food Industry, MENDEL METALOKSIT 4. The Production of Double Layered, Single Fired Electrostatic Enameled Frits, GiZEM FRIT 5. Improvement of the Quality of the Paler Soil, BENSAN 6. Research and Development of Modern Bread baking Ovens, ESMAK 7. The Improvement of Battery Containers and Container Cabs Used in Under-Sea Applications, TUMEN MADEN KIMYA 8. Production of FerroWolfram from Uludag Schellite Concentrates, ETIBANK 9. Production of Metallic Cobalt and Its Salts from Kure Copper Slags, ETIBANK 10. Production of FerroBoron from Boric Acid, ETIBANK 11. Production of Ceramic Boron Carbide from Boric Acid, ETIBANK - DPT 12. Production of Ceramic Boron Carbide Armor Plates from Boron Carbide, SSM 13. High Technology Ceramics, DPT 14. Strengthening of High Technology Ceramics (The Development of Borides), UNIDO TUBITAK 15. Production of Transformator Sheets Having High Frequency, DPT 16. Improvement of Iznik Earthenwares, DPT 17. Production of Cobalt Hydroxide and Cobalt Acetate From Copper Slags, SERKIM 18. Production of Honeycombe Ceramic Filters for Catalytic Convertors, DPT 19. Production of Fe-B Based Magnetic Transformator Sheets, GAMA METAL 20. Using Kaolen As Paler Soil, BENSAN 21. Production of Silicon Nitride from Rice Husks, DPT 22. Production of Wolfram Carbide From Uludag Schellite Concentrates, DPT