1. M. Vardavoulias, A.S. Azar, T. Halvorsen, M. Moen, K. Mork, P. A. Carvalho, Ø. Dahl, A. Ulyashin, «Si wafer manufacturing by thermal spray of recycled Si powders», EUPVSEC 2017, Amsterdam,Holland, September 2017, published in the Proceedings.
  2. G. Jia, M. Vardavoulias, A.A. Azar, G. Stokkan, W. Dall, M. Syvertsen, J. Plentz, G. Andrä, T. Kaden, A. Ulyashin, «Si powder based structures for low-cost PV: hot pressing sintered or thermal spray processed structures recrystallized by laser treatments», Euromat 2017, Thessaloniki, Greece, September 2017, Oral presentation.
  3. S. Azar, M. Vardavoulias, T. Halvorsen , M. Moen, K. Mork, P. A. Carvalho and A. Ulyashin, «Raman and SEM analysis of thin Si layers fabricated by thermal spraying of silicon powder on various substrates», EMRS 2017, 22-26 May 2017, Strasbourg, Poster presentation.
  4. A. Koutsomichalis, K. Kalfountzos, P. Makri, M. Vardavoulias and N. Vaxevanidis, “Tensile and bend behaviour of WC-Co-Cr HVOF coatings on steel”, 6th Panhellenic Conference on Metallic Materials Ioannina, 7-9 December 2016.
  5. A. Koutsomichalis, M. Vardavoulias, P. Psyllaki and N. Vaxevanidis, “HVOF sprayed WC-CoCr coatings on aluminum: Tensile and tribological properties”, 13th International Conference on Tribology, ROTRIB’16, Galati, Romania, September 2016.
  6. M. Vardavoulias, «Industrial thermal spray coatings for tribological applications. Influence of nanostructure on wear properties»,1st International Conference on Tribology, TURKEYTRIB 15, October 2015, Istanbul, Turkey.
  7. M. Vardavoulias, A. Mourlas and P. Psyllaki, “Comparative study on the tribological behaviour of Cr-oxide- and Cr-carbide-based thermal-sprayed coatings”, 1st International Conference on Tribology, TURKEYTRIB 15, October 2015, Istanbul, Turkey.
  8. A. Mourlas, P. Psyllaki and M. Vardavoulias, «Influence of the CerMet Fraction on the Wear of HVOF Composite Coatings», BALKANTRIB’14, 8th International Conference on Tribology, 30 October – 1 November 2014, Sinaia, Romania.
  9. I. Georgiopoulos, G. Michanetzis, Z. Tatoudi, P. Ioannou, M. Vardavoulias, C. Andreouli and Y. Missirlis, “Development of Hydroxyapatite thermally sprayed coatings using different liquid feedstocks for biomedical applications”, E-MRS 2014 SPRING MEETING, 26-30 May 2014, Lille, France.
  10. A. Marinou, G. Xanthopoulou, G. Vekinis, A. Lekatou and M. Vardavoulias, “Influence of thermal treatment of novel NiAl coatings produced by in-flight Combustion Synthesis”, EUROMAT2013, European Congress and Exhibition on Advanced Materials and Processes, 8-13 September 2013, Sevilla, Spain.
  11. M.Vardavoulias, “Methodology for the development and application of an innovative composite coating for electrical insulation”, European Workshop New Approaches to High Temperature Coatings , 15-17 October 2012, Costa Teguise, Lanzarote, Spain.
  12. A. Marinou, G. Xanthopoulou, G. Vekinis, A. Lekatou and M. Vardavoulias, “Ni-Al Composite Coatings by SHS-activated Thermal Spraying”, European Workshop New Approaches to High Temperature Coatings , 15-17 October 2012, Costa Teguise, Lanzarote, Spain.
  13. D. Zois, A. Lekatou, A.E. Karantzalis, M. Vardavoulias and A.Vazdirvanidis, “Deposition and Characterization of Thermally Sprayed Coatings Prepared by a Nanostructured Martensitic Steel Powder», ITSC 2012, published in the Proceedings.
  14. M. A. Vázquez, A. Ulyashin, S. Reber, J. Hampel, I. Gordon, K. Van Nieuwenhuysen, M. Vardavoulias, R. Glockner, B. Emamifard, G. Proudfoot, L. R. Bailey, K. Beekmann, M. Cooke and K. L. Choy, “Cost model for silicon wafer equivalent approach: European project ThinSi”, SiliconPV, 3-5 April 2012, Leuven, Belgium, published in the Proceedings.
  15. M. Vardavoulias, “Thermal Spray of Si powder for PV applications”, ACPV Workshop, 20-22 June 2012, Oslo, Norway.
  16. A. Ulyashin, M. Vardavoulias, S. Kamnis, R. Gløckner, B. Emamifard, S. Reber, J. Hampel, M. Drießen, J. van Hoeymissen, I. Kuzma-Filipek, M. Stange, M. Syvertsen, M. Cooke, C. Xu, K. Beekmann, G. Proudfoot, L. Bailey, K.-L. Choy, A. Sytchkova, D. Kozodaev, M. Tian and M.A. Vazquez, “Si powder based substrates and wafer equivalent based solar cells: Results of the European project ThinSi”, 26th EUPVSEC, September 2011, Hamburg.
  17. A.G. Konstandopoulos, S. Lorentzou, I. Dolios, C. Agrafiotis, A. Marinou, M. Vardavoulias, Proceedings of The World Congress on Particle Technology (WCPT6), 26-29 April 2010, Nuremberg, Germany.
  18. Α. Marinou, A. Lekatou, Α. Poulaki, M. Vardavoulias, Α. Ε. Karantzalis, D. Sioulas and Η. Mavros, «A comparative study of stainless austenitic coatings manufactured by flame spraying», 4th Hellenic Conference in Metallic Materials, Thessaloniki, 4-5 November 2010, Thessaloniki, Greece.
  19. D. Zois, A. Lekatou, M. Vardavoulias, A. Vazdirvanidis, “Deposition of coatings by thermal spraying nanostructured agglomerates of martensitic steel”, 4th Hellenic conference of metallic materials, 4-5 November 2010, Thessaloniki, Greece.
  20. D. Zois, A. Lekatou, M. Vardavoulias, A. Vazdirvanidis, “Thermal spraying parameters influence on the corrosion resistance of partially amorphous Fe-based alloys”, 4th Hellenic conference of metallic materials, 4-5 November 2010, Thessaloniki, Greece.