VIKTOR N. KYTOPOULOS
ASSISTANT PROFESSOR
DEPARTMENT OF MECHANICS
SCHOOL OF APPLIED MATHEMATICS & PHYSICAL SCIENCES
NATIONAL TECHNICAL UNIVERSITY OF ATHENS

1. Personal Data

Name - Surname: Viktor N. Kytopoulos

Birthdate: 17/4/1952, Bucharest, Romania

Marital Status: Married (with one child)

Foreign Languages: German, Romanian, Russian, English

2. University Diplomas

1976: Diploma of Physicist from University of Leipzig (Very Good).

1991: PhD, Engineering Science Dept. National Technical University of Athens.

3. Occupation

1971-1976: Physics studies at the Universite of Leipzig.

1976-1978: Assistant at the Physics Dept. of University of Leipzig. Research on the study of the structure of solid polymers through the methods Brood Line NMR and DSC-DTA.

1978-1980: Assistant Researcher at the Petrochemical Plant “Leuna” of the city Merserburg at the former East Germany in the field “Work corrosion of the cracked polethylene”.

1982-2010: N.T.U. Athens, Engineering Science Dept. Section of Mechanics. Research in the field “Study of the fracture behavior of various materials by the aid of Scanning Electron Miscroscopy”.

1985-1990: PhD thesis in the field of elastoplastic behavior in fracture of polycarbonate and other materials.

1991: Granting of the title of Doctor.

4. Research interest fields

1. Application of known methods of fractography, opt plasticity (visual plasticity), micro-”Moire”, coating by sublimation in the study of micromechanical/micro fractural behavior of materials such as internal mechanical damage of the micro plastic zones and micro phenomena of crack propagation.

2. Consideration and evaluation of phenomena of the natural solid state for the development and application of new methods and techniques of fractography, opt plasticity, micro-”Moire”, coating by sublimation in the above mentioned study such as ferromagnetic sites Weiss, X-rays, channeling diffraction of electrons, Schottky hedge contact and thermal retraction.

3. Study of the “Damage” through liquid diffusion (mass transfer).

4. Viscoelastic behavior of the materials.

5. Characterization of the mechanical behavior of polymers and composites through their cutting energy.

5. Professional Activity

1982-1992: Assistant in the Mechanics Section of Engineering Science Dept. of the N.T.U. Athens.

1992-2003: Lecturer at N.T.U. Athens.

2003-2010: Assistant Professor at N.T.U. Athens.

6. Teaching Experience

1982-1985: Teaching of the laboratory exercises of the course Experimental Strength of Materials at various Departments of N.T.U. Athens.

1985-1991: Exercises of Experimental Strength of Materials and Teaching of tutorials of Statics, Kinematics, Dynamics and Mechanics of Materials at various Departments of N.T.U. Athens.

1992-2010: Teaching of courses of Statics, Kinematics, Dynamics and Mechanics of Materials at various Departments of N.T.U. Athens.

7. Publications

7.1. Publication in International Journals

• "Slow-crack propagation through bimaterial interfaces studied by Scanning Electron Microscopy'" J. Mat. Sci. 21 (1986), 1155-1160. (A. Stasinakis, P.S. Theocaris, V.N. Kytopoulos).

• "Stress intensity factors and CODs defined by in-plane displacements measured by Scanning Electron Microscopy, J. Mat. Sci., 23 (1988), 3992-3996. (P.S. Theocaris, A. Stasinakis, V.N. Kytopoulos).

• "Mechanisms οf stable crack growth in ductile polycarbonate", J. Mat. Sci. 24 (1989), 2358-2368. (P.S. Theocaris, V.N. Kytopoulos).

•  Blunting οf cracks οf intermediate states οf stress by Scanning Electron Microscopy, J. Mat. Sci., 24 (1989),1121-1127. (P.S. Theocaris, V.N. Kytopoulos).

• "SEM-Investigations οf slip-lines fields around blunted cracks under mixed-mode conditions", J. Mat. Sci., 25 (1990), 997-1006. (P.S. Theocaris, V.N. Kytopoulos).

•   "Fracture behavior ο! cracks in ductile plates under monotonic mixed-mode loading", Int. J. Fracture 47 (1991), 39-52. (P.S. Theocaris, V.N. Kytopoulos).

• "Crack tip opening and advance displacements of blunted cracks under plane stress", J.Mat.Sci., 26 (1991), 3575-3580. (P.S. Theocaris, V.N. Kytopoulos).

• "Α SEM-Investigation of the effect of geometry and loading mode οn Blunting of copper sheets", Journal of Material Science, 27, (1992), 3624-3636. (P.S. Theocaris, V.N. Kytopoulos).

•  G. Spathis, G. Bourkas, V. Kytopoulos and E. Sideridis, “Elastic modulus of particulate composites using a multiphase model”, Journal of reinforced plastics and composites, Vol. 19, No. 11, (2000).

• V.N. Kytopoulos, G.D. Bourkas, E. Sideridis, “Some new operational modes and parameters of stress relaxation for the viscoelastic characterization of solid polymers. I. The “Virtual Modulus” mode”, Journal of Applied Polymer Science, Vol. 87, 121-137 (2003).

• V.N. Kytopoulos, G.D. Bourkas, E. Sideridis, “Some new operational modes and parameters of stress relaxation for the viscoelastic characterization of solid polymers. II. The “Vertical-Shift” mode and intrinsic “Strain-Clock” Function, Journal of Applied Polymer Science, Vol. 87, 138-148 (2003).

• V.N. Kytopoulos, G.D. Bourkas, E. Sideridis, “Some new operational modes and parameters of stress relaxation for the viscoelastic characterization of solid polymers. III. The Area ratio mode and the intrinsic “Vertical-Shift” mode and intrinsic “Time-Strain Clock”, Journal of Applied Polymer Science, Vol. 87, 149-158 (2003).

• V.N. Kytopoulos, E. Sideridis and G.D. Bourkas, “A study of some thermomechanical and fractural properties of particle reinforced polymer composites and SEM-aided microfailure approach of certain fracture parameters”, Journal of Reinforced and Composites, Vol. 22, No. 17, pp. 1547-1588, (2003).

• V.N. Kytopoulos: “A Viscoelastic Macro-Microfracture Delay Mechanism Approach in Particulate Epoxy Composites”, J. Reinforced Plastics and Composites, Vol. 23, No 12, p.1325 (2004).

• E. Sideridis, V.N. Kytopoulos, G.A. Papadopoulos and G.D. Bourkas: “The Influence of Low Filler Content on some Thermomechanical Properties of Particulate Epoxy Composites Similated by a Variant Tetra-Phase Model”, J. of Plastics, Rubbers and Composites, Vol. 32, 6, p.271 (2003).

• E. Sideridis, V.N. Kytopoulos, E. Kyriazi and G. Bourkas : “Determination of Thermal Expansion Coefficient of Particulate Composites by the Use of a Triphase-Moodel”, Journal of Composite Science and Technology, Vol. 65, p.909, (2005).

• V.N. Kytopoulos, G.A. Papadopoulos and T. Sadowski : “Damage and Loading Rate Effects on the Microfailure Behaviour of Ceramics studied by SEM”, J. Mat. Sci., Vol. 41, p.2121 (2006).

• Prassianakis,I.N., Kytopoulos, V., Sideridis, E., Investigation of mechanical properties of epoxy resins and random fibre epoxy systems by means of destructive and non-destructive tests International Journalof Materials and ProductTechnology Vol.26, pp. 105-121(2006).http://www.inderscience.com/offer.php?id=8983

• Kytopoulos, V. K., Badaluka, B. G. D. Bourkas and E.Sideridis, A SEM –Fractographic study of dynamic crack propagation effects in particulate epoxy systems under impact loading conditions, Jnl. Reinf. Plast.and Comp., Vol.28, pp.353-377 (2009).http://jrp.sagepub.com/content/28/3/353

• E. Sideridis, V.N. Kytopoulos, G. A.Papadopoulos and G. D. Bourkas, The effect of low filler volume fraction on the elastic modulus and thermal expansion coefficient of particle composites simulated by a multi– phase model Jnl. Appl. Pol. Sci., Vol. 111,pp.203-216 (2009). http://www.scopus.com/record/display.url?eid=2-s2.0-58149251937&origin=resultslist&sort=plf-f&src=s&st1=sideridis+e&sid=u8iCh78G3wjYN24W40ULtaR%3a330&sot=b&sdt=b&sl=24&s=AUTHOR-NAME%28sideridis+e%29&relpos=2&relpos=2

7.2. Publications in Proceedings of International Symposiums

• “Experimental study of Fracture in MgO Polycrystalline Ceramics”, International Symposium of BMC4, 13-14 September 1994 Warshaw, Polland, Proceedings 1994, 634-643 G. Papadopoulos, V.N. Kytopoulos, T. Sadowski.

• Kazimierz Dolny nad Wisla, Polland 1998, Proceedings 1998, 121-130. T. Sadowski, G. Papadopoulos, V.N. Kytopoulos, Z. Limbrand, M. Boniecki, C. Ruiz.

• “Experimental quantification of crack tip parameters for particulate Metal Matrix Composites”, by Kourkoulis S.K. and Kytopoulos V., Proceedings of the 6^th National Congress on Mechanics, Eds. E.C. Aifantis and A.N. Kounadis, Giahoudi & Giapouli, Thessaloniki, Hellas, Vol. I, pp. 339-347, 2001.

• “Micro-failure behaviour of Ceramics studied by X-ray EPMA”. ICCE/8, Annual International Conference, 5-11/8/2001, Spain, pp. 715-716, G. Papadopoulos, V.N. Kytopoulos.

• “About Moisture Absorption Effects in Certain Epoxy Composite Systems”, Proceedings of 1th International Symposium of Multiscaling in Mechanics, 2-6 September 2002, Messini, Greece. V.N. Kytopoulos and G. Papadopoulos.

• “Investigation of Epoxy Resins and Random Fibre Epoxy Systems by Means of Destuctive Tests and Ultrasonics”, I.N. Prassianakis, E. Sideridis, V.N. Kytopoulos and N.I. Prassianakis, in Proceedings of 11^nd NDT in Progress, October 6-8, 2003, Praque, Czeh. Republic.

• “Tensile and Non-Destructive Tests for the Evaluation of the In-Plane Properties of Glass Fibre Reinforced Epoxy Resins”, Proceedings of the 3^rd International Conference on Non Destructive Testing of the Hellenic Society for NDT, 15-18 October 2003, Chania, Crete, Greece, I.N. Prassianakis, E. Sideridis, V.N. Kytopoulos, N.I. Prassianakis and V. Papapetrou.

7.3. Scientific Communications in International workshops

• “Thin Film Multilayer Structures on PMT surfaces or on photocatodes to improve the S/N ratio for the AUGER Air Fluorecence detector: Their Proposed Design, strategy for cost effective construction”, R & D Workshop on Software for Design of Dielectric Multilayer Structures, Puebla, Argentina, June 1996, A. Filippas, E. Fokitis, V.N. Kytopoulos, Th. Liarokapis, S. Maltezos, L. Kayafas, K. Manolatou, N. Ouzounoglou, F. Topalis and D. Andrakakis.

• “Status of Optical Filter Development for AUGER Fluoerscence Detector”, Workshop on AUGER Projects, Utah, USA, Mai 1997, E. Fokitis, G. Garipov, B. Khrenov, S. Maltezos, A.G. Karydas, V.N. Kytopoulos, K. Manolatou, D. Papadimitriou, E. Papantonopoulos, P. Sommers, F. Topalis, A. Travlos, R. Vlastou, G. Kyriakidis, E. Chatziteodoridis and K. Moschovis.

• “Production ad Characterization of Multilayer structures prototypes for the AUGER Fluorecence detector optical filters”, Workshop on AUGER Projects, Mexico City, June 1999, E. Fokitis, S. Maltezos, K. Manolatou, L. Papantonopoulos, K. Patrinos, R. Vlastou, V.N. Kytopoulos, E. Drakaki, D. Papadimitriou, K. Moschovis, G. Kyriakidis, A, Travlos, A. Braem, S. Kossionides, and G. Kalliabakos, P. Moissides, A. Petrides, M. Vassiliou, A. Geranios.

8. Supervision of theses

8.1. Supervision of graduate dissertations

1993-2010: He supervised more than 20 graduate dissertations in the field of Electron Microscopy, Fracture Mechanics and Composites at the N.T.U. Athens.

8.2. Supervision of PhD theses

He is supervisor or co-supervisor of 5 PhD theses in the field of Electron Microscopy, Fracture Mechanics and Composites.

9. Scientific Organisations

Member of the following:

a) Hellenic Society of Polymers.

b) Hellenic Society of Nondestructive Testing.

10. Research Programmes

1995-1997: “Applications of the optical Know-How in Optic Crystals and Scientific Instruments”.

Research Program: N.T.U. Athens, Engineering Science Dept., Section of Physics.

1996-1997: “Development of Optical Filters for telescopes and mirrors for the investigation of fluor radiation of high energies from space”.

Research Program AUGER: Collaboration with Section of Physics, N.T.U.Athens Engineering Science Dept.