Department of Materials Science and Engineering University of Ioannina School of Engineering
 
 
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PHOTO Angeliki Lekatou
Professor
Applied Metallurgy

LOCATION MSE Building, 1st floor
EMAIL alekatou@uoi.gr
PHONE (+30)-265100-7309 (Office)
PHONE (+30)-265100-7349 -9004 (Lab)
FAX (+30)-265100-7034
WEB Webpage
WEB Google Scholar, ORCID
Academic Titles
Educational & Professional Experience
Teaching Activities in the Department
ResearchAssistant Professor of “Ceramics and Composite Materials” in the Department of Materials Science and Engineering, University of Ioannina, Greece (2001-2007) Interests
Representative Publications

Academic Titles
  • Diploma of Mining and Metallurgical Engineer, National Technical University of Athens, Greece
  • Ph.D. in Chemical Metallurgy, Department of Materials Engineering, University of Wales-Swansea, U.K.
Educational & Professional Experience
  • Post-doctoral Research Associate, University of Manchester Institute of Science & Technology-Corrosion & Protection Centre, UK, 1992-1995 (Degradation of ceramics in nuclear reactor environments, Degradation of polymeric matrix composites in saline environments)
  • Post-doctoral Research Fellow (Magnetron sputtered functionally gradient coatings), Univ. Salford, Research Institute for Design, Manufacture & Marketing, UK (1995-1997)
  • Research & Service Engineer, Metal Industrial Research & Technology Co (MIRTEC SA), Volos, Greece (1997-2000)
  • Head of Research Laboratories, Bentonite Division, S&B Industrial Minerals S.A. (2000-2002)
  • Assistant Professor of “Applied Metallurgy”, Department of Materials Science and Engineering, University of Ioannina, Greece (2002-2010)
  • Associate Professor of “Applied Metallurgy”, Department of Materials Science and Engineering, University of Ioannina, Greece (2010-2017)
  • Professor of “Applied Metallurgy”, Department of Materials Science and Engineering, University of Ioannina, Greece (2017-todate)
  • Visiting Professor, Hellenic Naval Academy, (Feb.-Aug. 2018)
  • Director of the Laboratory of Applied Metallurgy (Metallab), University of Ioannina
Teaching Activities in the Department
  • Physical Metallurgy I (2001-2006)
  • Physical Metallurgy II
  • Physical Metallurgy Laboratory Course
  • Corrosion & Protection of Metals
  • Aluminium Technology
  • Engineering Alloys
  • MSc courses (Phase Transformations in Metals, Advanced Metallic Materials, Laboratory Courses in Metallic Materials, Metallic Materials of High Added Value, Surface Degradation of Metallic Materials and Protection Measures)
  • Experimental Techniques for Evaluating Surface Degradation of Materials / Properties and Applications of Advanced Metallic Materials (Long-life learning and knowledge update of university graduates)
  • Supervision of more than 110 Diploma theses (Corrosion of metals, composites, coatings, biomedical alloys, Additively Manufactured alloys, weldings and reinforced concrete; Wear of metals and composites; Nanocomposites (bulk and coatings); Thermal Spray Coatings; Complex Metallic Alloys; Physical Metallurgy and Corrosion of Superalloys, Stainless steels and Aluminium alloys)
  • Supervision of more than 25 M.Sc. theses (Corrosion and wear of metals, composites and coatings, Corrosion of biomedical alloys, Corrosion of Additively Manufactured alloys, Corrosion of reinforced concrete, Coating technology, Construction materials, Superalloys, Stainless steel and Al-alloy based composites, Complex Metallic Alloys, Archaelogical metals)
  • Supervision of 8 Ph.D. theses (New Glass Systems for Heavy Metal Entrapment, Nanostructured Coatings (Development, Corrosion, Wear), Novel Al-Matrix Composites reinforced by Carbide Particles, Complex Metallic Alloys, Corrosion of Concrete Reinforcement, Optimization of Superalloys)
Research Interests
  • Metallurgy and Corrosion
  • Electrochemical corrosion and wear of metallic materials
  • Advanced coatings (thermally sprayed, nanostructured, cermets, intermetallics)
  • Corrosion and metallurgy of biomedical alloys
  • Corrosion of concrete reinforcement
  • Metastable materials and complex metallic alloys (CMA)
  • Particulate nanocomposites of metallic/ceramic matrix
  • Advanced techniques for alloy characterization
  • New technologies for alloy manufacture
  • Alloy heat treatment
Representative Publications
  • Books
  • A.G. Lekatou: “Corrosion and Protection of Metals and their Alloys”, 2nd edition, 2022, Tziolas Pub., ISBN: 978-960-418-974-8, 498 p. (in Greek)
  • A. Lekatou, “Corrosion and Protection of Metals in Simple Words”, 2013, Nemertes Pub., ISBN: 978-960-9951-2-4, 620 p. (in Greek)
  • A. Lekatou, “Engineering Alloys”, Papasotiriou Pub., 2005, ISBN 960-7530-62-4, 431 p. (in Greek).
  • A. Lekatou, “Introduction to Corrosion & Protection of Metals”, 2010, Theodoridis Pub, ISBN: 978-960-86109-9-6, 400 p. (in Greek)
  • A. Lekatou, “Phase Transformation in Metals”, Theodoridis Pub, 2009, ISBN-978-960-86109-3-4, 393 p. (in Greek).
  • A. Lekatou, S. Lekatos, “Introduction to Physical Metallurgy Ι”, Theodoridis Pub., 2009, ISBN-978-960-86109-8-9, 304 p. (in Greek).
  • Journals
  • A.G. Lekatou, D. Sioulas, D. Grimanelis, Corrosion and wear of coatings fabricated by HVOF-spraying of nanostructured and conventional WC–10Co-4Cr powders on Al7075-T6, Int. J. Refractory Metals and Hard Compounds, 2023, 112, 106164, https://doi.org/10.1016/j.ijrmhm.2023.106164
  • A.G. Lekatou, K. Dimitriadis, S. Emmanouilidou, S. Agathopoulos, Effect of heat-treatment cycles on the microstructure, mechanical properties, and corrosion behavior of CoCrMo dental alloy fabricated by Soft Milling, Odontology, 2023, https://doi.org/10.1007/s10266-023-00849-2
  • N.T. Panagiotopoulos, A.G. Lekatou, K.A. Agrafioti, C.C. Prouskas, M.K. Koukou, J. Konstantaras, K. Lymperis, M.Gr. Vrachopoulos and G.A. Evangelakis, Anticorrosive AlN coatings for Heat Exchangers in thermal energy storage systems, Thermal Sci. Eng. Progr. 43 (2023) 102014, https://doi.org/10.1016/j.tsep.2023.102014
  • V.G. Efremenko, A.G. Lekatou, Yu.G. Chabak, B.V. Efremenko, I. Petryshynets, V.I. Zurnadzhy, S. Emmanouilidou, M. Vojtko, Micromechanical, corrosion and wet sliding wear behaviours of Co-28Cr-6Mo alloy: wrought vs. LPBF, Mater. Today Commun. (2023) 105936, https://doi.org/10.1016/j.mtcomm.2023.105936
  • A. Marinou, A.G. Lekatou, G. Xanthopoulou, G. Vekinis, Electrochemical behaviour of Ni-Al coatings produced by CAFSY method in aqueous NaCl solution, Coatings, 2022, 12, 1935, https://doi.org/10.3390/coatings12121935
  • A.G. Lekatou and S. Tsouli, Cyclic polarization of corrugated austenitic stainless steel rebars in acid rain: Effect of fly ash, pH and steel type, Corros. Mater. Degrad. 2022, 3, 75–100, https://doi.org/10.3390/cmd3010005
  • A.G. Lekatou, A.K. Sfikas, D. Sioulas, A. Kanderakis, Sliding wear performance of Al-Co alloys fabricated by vacuum arc melting and correlation with their microstructure, Materials Chemistry and Physics 276 (2022) 125411, https://doi.org/10.1016/j.matchemphys.2021.12541126
  • A.K. Sfikas, S. Gonzalez, A.G. Lekatou, S. Kamnis, A.E. Karantzalis, A Critical Review on Al-Co Alloys: Fabrication Routes, Microstructural Evolution and Properties, Metals 2022, 12, 1092, https://doi.org/10.3390/met12071092.
  • Amin Azar, Angeliki Lekatou, Martin Sunding, Joachim Graff, Nicky Tzima, and Spyros Diplas, Corrosion performance and degradation mechanism of a bi-metallic aluminium structure processed by wire-arc additive manufacturing, npj Materials Degradation-Nature, 2021, 5:26, https://doi.org/10.1038/s41529-021-00175-4
  • Y. Chabak, B. Efremenko, I. Petryshynets, V. Efremenko, A.G. Lekatou, V. Zurnadzhy, I. Bogomol, V. Fedun, K. Koval, T. Pastukhova, Structural and Tribological Assessment of biomedical 316 stainless steel subjected to pulsed-plasma surface modification: Comparison of LPBF 3D printing and conventional fabrication, Materials 2021, 14 (24), 7671, https://doi.org/10.3390/ma14247671
  • K. Dimitriadis, A.G. Lekatou, A.K. Sfikas, Μ. Roumpi, S. Tsouli, A. Galiatsatos, S. Agathopoulos, Influence of heat-treatment cycles on the microstructure, mechanical properties, and corrosion resistance of Co-Cr dental alloys fabricated by selective laser melting, J. Mater. Eng. Perform., 2021, 30, 5252–5265, https://doi.org/10.1007/s11665-021-05738-9
  • S. Tsouli, A.G. Lekatou, S. Kleftakis, P. Goutzos, I.K. Tragazikis, T.E. Matikas, Combined Corrosion Inhibitors and Mechanical Properties of Concrete Embedded Steel (AISI 316L) during Accelerated Saline Corrosion Test, Mater. Proc. 2021, Mater. Proc. 2021, 5(1), 72, https://doi.org/10.3390/materproc2021005072
  • A.K. Sfikas, A.G. Lekatou, Electrochemical behavior of Al-Al9Co2 alloys in sulfuric acid, Corrosion and Materials Degradation-MDPI, 2020, 1, 249-272, https://doi.org/10.3390/cmd1020012
  • D. Balgis, D. Bekas, K. Tsirka, A. Parlamas, A. Daflos, N. Zafeiropoulos, A. Lekatou, A. Paipetis, Durability of multi-scale all carbon reinforced epoxy composites in underwater immersion, Composites Science and Technology, 2020, 199, 108373, https://doi.org/10.1016/j.compscitech.2020.108373
  • V. Zurnadzhy, V. Efremenko, K.M. Wu, A.G. Lekatou, K. Shimizu, Y. Chabak, D. Zotov, and E. Dunayev, Q&P-based heat treatment for rolled grinding steel balls, Metallurgical & Materials Transactions A, 2020, DOI: 10.1007/s11661-020-05737-w
  • A.G. Lekatou, S. Tsouli, C. Nikolaidis, S. Kleftakis, I.K. Tragazikis, T.E. Matikas, Effect of fly ash on the corrosion performance and structural integrity of stainless steel concrete rebars in acid rain and saline environments, Fracture and Structural Integrity, 2019, DOI: 10.3221/IGF-ESIS.tt.uu
  • E. Chantziara, K. Lentzaris, A.G. Lekatou, A.E. Karantzalis, Sliding wear and solid particle erosion response of aluminum reinforced with tungsten carbide nanoparticles and aluminide particles, Fatigue & Fracture of Engineering Materials & Structures, 2019, 42(7), 1548-1562
  • A.G. Lekatou, A. Poulia, H. Mavros, A.E. Karantzalis, Thermal treatment, sliding wear and saline corrosion of Al in-situ reinforced with Mg2Si and ex-situ reinforced with TiC particles, J. Mater. Eng. Perform., 2018, 27(10), 5030-5039
  • A.G. Lekatou, N. Gkikas, V. Gousia, A.E. Karantzalis, K. Lentzaris, Effects of in-situ intermetallics on the microstructural array and saline corrosion performance of cast Al/WCp composites, J. Mater. Eng. Perform., 2018, 27(10), 5164-5176
  • S. Tsouli, A.G. Lekatou, S. Kleftakis, T.E. Matikas, P.T. Dalla, Corrosion behavior of 304L stainless steel concrete reinforcement in acid rain using fly ash as corrosion inhibitor, Procedia Structural Integrity, 2018, 10, 41-48
  • A.G. Lekatou, A.K. Sfikas, A.E. Karantzalis, The influence of the fabrication route on the microstructure and surface degradation properties of Al reinforced by Al9Co2, Materials Chemistry & Physics, 2017, 200, 33-49.
  • Efremenko V.G., Chabak Yu.G., Shimizu K., Lekatou A.G., Zurnadzhy V.I., Karantzalis A.E., Halfa H., Mazur V.A., Efremenko B.V., Structure refinement of high-Cr cast iron by plasma surface melting and post-heat treatment, Materials Design, 2017, 126, 278–290
  • A. Lekatou, A.K. Sfikas, Ch. Petsa, A.E. Karantzalis, Al-Co alloys prepared by vacuum arc melting: Correlating microstructure evolution and aqueous corrosion behavior with Co content, Metals 2016, 6(3), 46; doi:10.3390/met6030046
  • V. Gousia, A. Tsioukis, A. Lekatou, A.E. Karantzalis, Al-MoSi2 particulate composites produced by flux-aided casting: Assessment of microstructure, sliding wear, solid particle erosion and aqueous corrosion behaviour, J. Materials Engineering & Performance, 2016, 25 (8), 3107-3120.
  • V.G. Efremenko, Yu.G. Chabak, A. Lekatou, A.E. Karantzalis, K. Shimizu, V.I. Fedun, A.Yu. Azarkhov, A.V. Efremenko, Pulsed plasma deposition of Fe-C-Cr-W coating on high-Cr-cast iron: Effect of layered morphology and heat treatment on the microstructure and hardness, Surface & Coatings Technology, 2016, 304, 293-305.
  • A. Lekatou, D. Sioulas, A.E. Karantzalis, D. Grimanelis, A comparative study on the microstructure and surface property evaluation of coatings produced from nanostructured and conventional WC–Co powders HVOF-sprayed on Al7075, Surface & Coatings Technology, 2015, 276, 539–556.
  • A. Lekatou, A.E. Karantzalis, A. Evangelou, V. Gousia, G. Kaptay, Z. Gacsi, P. Baumli, A. Simon, Aluminium reinforced by WC and TiC nanoparticles (ex-situ) and aluminide particles (in-situ): Microstructure, wear and corrosion behaviour, Materials & Design, 2015, 65(1), 1121-1135.
  • G. Xanthopoulou, A. Marinou, G. Vekinis, A. Lekatou, M. Vardavoulias, Ni-Al and NiO-Al composite coatings by combustion-assisted flame spraying, Coatings 2014, 4, 241-260; doi:10.3390/coatings4020241
  • H. Mavros, A.E. Karantzalis, A. Lekatou, Solidification observations and sliding wear behaviour of cast TiC particulate reinforced AlMgSi matrix composites, J. Composite Materials, 2013, 47 (17), 2149-2162
  • E. Georgatis, A. Lekatou, A.E. Karantzalis, H. Petropoulos, S. Katsamakis, A. Poulia, Development of a cast Al-Mg2Si-Si In-Situ composite: microstructure, heat treatment and mechanical properties, J. Materials Engineering & Performance, 2013, 22 (3), 729-741
  • A. Lekatou, A. Sfikas, A.E. Karantzalis, D. Sioulas, Microstructure and corrosion performance of Al-Co alloys, Corrosion Science, 2012, 63, 193-209.
  • G. Gkikas, D. Sioulas, A. Lekatou, N.M. Barkoula, A.S. Paipetis, Εnhanced bonded aircraft repair using nano-modified adhesives, Materials and Design, 2012, 41, 394-402
  • D. Zois, A. Lekatou, M. Vardavoulias, T. Vaimakis, A.E. Karantzalis, Partially amorphous stainless steel coatings: Microstructure, annealing behaviour and statistical optimization of spray parameters, Surface & Coatings Technology, 2011, 206, 1469-1483.
  • A. Lekatou, D. Zois, A.E. Karantzalis, Electrochemical behaviour of cermet coatings with a bond coat on Al7075: pseudopassivity, localized corrosion and galvanic effect considerations in a saline environment, Corrosion Science, 2010, 52, 2616-2635.
  • D. Zois, A. Lekatou, M. Vardavoulias, Preparation & characterization of highly amorphous stainless steel coatings, J. Alloys & Compounds, 2010, 504, S283-S287.
  • D. Zois, A. Lekatou, M. Vardavoulias, A. Vazdirvanidis, Νanostructured alumina coatings manufactured by air plasma spraying: correlation of properties with the raw powder microstructure”, J. Alloys & Compounds, 2010, 495, 611-616.
  • A. Lekatou, A. Marinou, P. Patsalas, M.A. Karakassides, Aqueous corrosion behaviour of Fe-Ni-B metal glasses», J. Alloys & Compounds, 2009, 483, 514-518.
  • D. Zois, A. Lekatou, M. Vardavoulias, A microstructure and mechanical property investigation on thermally sprayed nanostructured ceramic coatings before and after a sintering treatment, Surface & Coatings Technology, 2009, 204, 15-27
  • A. Lekatou, D. Zois, D. Grimanelis, Corrosion properties of HVOF cermet coatings with bond coats in an aqueous chloride environment, Thin Solid Films, 516 (16), pp 5700-5708, 2008.
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