სსიპ - ფერდინანდ თავაძის მეტალურგიისა და მასალათმცოდნეობის ინსტიტუტი
LEPL - FERDINAND TAVADZE METALLURGY AND MATERIALS SCIENCE INSTITUTE
№ 1 Boron and Powder Composite Materials Laboratory
Archil Mikeladze
Researcher – Chief Specialist
mikeladze.archil@gmail.com

Date of Birth

07.12 .1935

Education

  • 1958-1963 - Georgian Polytechnic Institute, Faculty of Metallurgy, Metallurgycal Engineer;

Scientific Degree (Rank)

  • PhD, 1968; 

Work Experience

  • 1959-1972 - Junior Sci. Fellow - Laboratory of Powder Metallurgy, Acad.Sci. of Georgia, Institute of Metallurgy, Tbilisi, Georgia;
  • 1972-1983 - Senior Sci. Fellow - Institute of Metallurgy, Acad. Sci. of Georgia , Tbilisi, Georgia;
  • 1983-1986 - Deputy Director in the area of Science - Institute of Composite Systems and Coatings, Ministry of Local Industry of Georgia;
  • 1986-2006 - Associated Professor, Chair of Metalforming, Technical University of Georgia;
  • 1986-2008 - President - HALIBI Ltd Production of hard and wear resistant articles, LEPL Ferdinand Tavadze Institute of Metallurgy and Materials Science;
  • 2008-2016 - Chief Sci. Fellow, LEPL Ferdinand Tavadze Institute of Metallurgy and Materials Science;
  • 2016-present - LEPL Ferdinand Tavadze Institute of Metallurgy and Materials Science, Chief Researcher Specialist;

Scientific Interests

  • Development of the technology for producing tungsten-, titanium- and boron carbide-based nanocrystalline powders and hardmetal product; commercialization of the produced material;

Papers and Publications

Total number of publications: 75, including those in recent years:

  • N. Jalabadze, A. Mikeladze, R. Chedia, T. Kukava, L. Nadaraia L. Khundadze. Development of New High Performance Nanocrystalline Hard Metals. Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization - Technical Proceedings of the 2008 NSTI Nanotechnolgy Conference and Trade Show, Volume 1. p.297-300; 

  • L. Nadaraia, N. Jalabadze, R. Chedia, T. Kukava, A. Mikeladze and L. Khundadze Problems for Manufacturing Nanocrystalline Yttrium Silicate Materials IEEE Transactions on Nuclear Science, Volume 56, Issue 3, 2009, p. 972–976; 

  • D. Gabunia, A. Gachechiladze, A. Mikeladze, O. Tsagareishvili, L. Chkhartishvili, Obtaining opportunities of boron carbide powders based hetero-modulus ceramics. Book of abstracts. XIV International Clay Conference. 14-20 June. Castellaneta Marina – Italy, (2009), p.86; 

  • A. Gachechiladze, A. Mikeladze, N. Jalabadze, D. Gabunia, O. Tsagareishvili, R. Chedia, M. Antadze. Tungsten carbide based nanocrystalline hard metals. Proceedings of the international Conference HighMatTech. October 19-23, Kiev, Ukraine, (2009), p.199; 

  • A. Gachechiladze, D. Gabunia, A. Mikeladze O. Tsagareishvili, L. Chkhartishvili. On technological process of synthesis of boron carbide nanodispersive powders. Proceedings of the 4th International Boron Symposium, 15-17 October, 2009, Eskishehir, Turkey, 67-71; 

  • A. A. Gachechiladze, A. G. Mikeladze, D. L. Gabunia, B. G. Margiev, R. V. Chedia, T. A. Tsuladze, R. K. Zekalashvili, O. A. Tsagareishvili. Titan Carbide based nano-crystalline solid solutions: production and compacting. Nano Studies, 2 (2010), 23-29 (in Russian); 

  • A. G. Mikeladze, A. A. Gachechiladze, O. A. Tsagareishvili, D. L. Gabunia, R. V. Chedia, M. E. Antadze. Preparation and compaction of composite nanopowders of metal carbides. Sixth International Conference “Materials and Coatings for Extreme Performances: Investigations, Applications, Ecologically Safe Technologies for Their Production and Utilization”, Ponizovka, Krimea, Ukraine (2010); 

  • D. L. Gabunia, A. A. Gachechiladze, A. G. Mikeladze, O. A. Tsagareishvili, L. S. Chkhartishvili. О получении нанокристаллов различных модифилаций. Nano Studies, v.4, Georgia (2011), 123-132; 

  • A. Mikeladze, M. Antadze, O. Tsagareishvili, A. Gachechiladze, D. Gabunia, B. Margiev, T. Tsuladze, K. Saradjishvili, R. Chedia. Heteromodular metalceramics based on super-dispersive boron carbide. Proceedings of the P. Melikishvili Institute of Physical and Organic Chemistr, (2011), 47-52; 

  • А. Г. Микеладзе, А. А. Гачечиладзе, Б. Г. Маргиев, О. А. Цагарейшвили, A. G. Mikeladze, A. A. Gachechiladze, B. G. Margiev, O. A. Tsagareishvili. Metal-ceramics based on nanocrystalline abrasive carbides - Modern Technologies and Methods of Inorganic Materials Science, International Conference Proceedings, Tbilisi, Georgia, June (2012), 149-160; 

  • M. Antadze, R. Chedia, O. Tsagareishvili, A. Mikeladze, A. Gacheciladze, B. Margiev, D. Gabunia, T. Tsuladze, D. Khantadze. Metal-Ceramics Based on Nanostructured Boron Carbide. Solid State Sciences, 14 (2012), 1725-1728.; 

  • O. N. Sizonenko, D. L. Gabunia, O. A. Tsagareishvili, A. S. Torpakov, N. S. Pristash, A. A. Zhdanov, A. G. Mikeladze. Dispersion of β-boron crystalline powders with high-voltage electric dischsrge. Proceedings of the Х International Conference « Pulse processes in continuum mechanics” 19-22 August 2013, Nikolaev, Ukraine, 225-228 (in Russ.); 

  • O. N. Sizonenko, D. L. Gabunia, O. A. Tsagareishvili, E. I. Taftai, A. S. Torpakov, N. S. Pristash, A. A. Zhdanov, A. G. Mikeladze. Influence of high-voltage electric dischsrge on dispersion and phase composition of β-boron powder. - Ukrainian Materials Research Society Bulletin. Kiev, Issue 6, (2013). 31-38;

  • M. Antadze, A. Mikeladze, A. Gachechiladze, R. Chedia, B. Margiev, L. Chkhartishvili, O. Tsagareishvili. Fabrication of metal ceramic composite based on B4C-TiB2 - 18th International Symposium on Boron, Borides and Related Materials. Program and Abstracts. ISBB 2014. August 31 to September 5, 2014, Honolulu, Hawaii, USA, p.144; 

  • A. Gachechiladze, V. Garibashvili, A. Kandelaki, O. Mikadze, A. Mikeladze, Z. Mirijanashvili, G. Tavadze. Preparation of Nanocrystalline Hardmetal Powders From Tungsten-Containing Wastes - SHECHTMAN International Symposium –2014 Sustainable Industrial Processing Summit & Exhibition. Cancun, Mexico, 29.06-04.07 (2014);

Inventions ( Copyright Certificates, Patents)

Total number of the Patented Inventions 17, among them:

  • #722299 “Method of manufacturing cast iron-based composite materials”, A. Mikeladze et al. November 1, 1979, USSR (in Russian); 

  • #267163 “Composite powder material for gas-thermal plating”, State Dep. Inv. & Disc., A. Mikeladze et al. 1988.01.04 USSR (in Russian); 

  • #1424232 “Precursor for fabricating a tungsten-based sintered material”, State Dep. Inv. & Disc., A. Mikeladze et al. 1988.15.05 USSR (in Russian);

  • #1499820 “Method for manufacturing composite powders”, State Dep. Inv. & Disc., A. Mikeladze and et al. 1989.03.08. USSR (in Russian);

  • #1673622 “Sintered hardmetal based on tungsten carbide”, State Dep. Inv. & Disc., A. Mikeladze et al. 1991.05.01, USSR (in Russian); 

  • Patent P5141. Method for manufacturing nanocrystalline hard metals based on tungsten carbide. A. Mikeladze et al. 2009. 06.22. Sakpatenti, Georgia. (in Georgian);

Participation in Scientific Symposiums and Conferences

  • International Conference HighMatTech. 2009, October 19-23, Kiev, Ukraine ; Tungsten carbide based nanocrystalline hard metals;
  • 4 th International Boron Symposium; 2009, 15-17 October, Eskishehir, Turkey; On technological process of synthesis of boron carbide nanodispersive powders;
  • SIXTH INTERNATIONAL CONFERENCE «Materials and Coatings for Extreme Performances: Investigations, Applications, Ecologically Safe Technologie for Their Production and Utilization»; 2010, 20-24 September; Ponizovka, Krimea, Ukraine; Preparation and compaction of composite nanopowders of metal carbides;
  • 17th International Symposium on Boron, Borides and Related Materials, Istanbbul, Turkey, 2011 : 1.Metal-Ceramic based on nanostructured boron carbide; 2. Fabrication of Structural. Ceramics for Friction Pairs Based on B4C-MeB2;
  • International Conference on Modern Technologies and Methods of Inorganic Materials Science. Tbilisi, Georgia, 2012: Metal-Ceramics Based on Nanocrystalline Abrasive Carbides;
  • X International Conference “Pulse Processes in the mechanics of ”Continuous” Areas. Nicolaev, Ukraine, 2013, Dispersion of Crystalline β-Boron Powders Using High-Voltage Electric Discharge;
  • 18th International Symposium on Boron, Borides and Related Materials.. ISBB 2014. Fabrication of metal ceramic composite based on B4C-TiB2;
  • SHECHTMAN International Symposium –2014 Sustainable Industrial Processing Summit & Exhibition.Cancun, Mexica, 29.06-04.07; 2014, Preparation of Nanocrystalline Hardmetal Powders From Tungsten-containing Wastes;

Participation in Scientific Grant Projects

  • ISTC – G-462 New Hard Alloys with Nanocrystalline Components; 2001–2003; Science Manager;
  • ISTC – G-961 Elaboration and Investigation of New Low Tungsten and Tungsten-Free Nanocrystalline Hard Alloys Based on Titanium Carbide, 2004–2007, Science Manager;
  • US CRDF – GE2-2310-TB-02 New Method for Manufacturing of Refractory Metal-Carbide and Hard Alloy, 2005– 2006, Technologist;
  • ISTC – G-1160 Development of new nanocrystalline scintillation materials. 2005–2008, Technologist;
  • STCU – 4398 Development of Structural Ceramics Based on Boron Carbide for Friction Units Working under Extreme Conditions. 2009–2011, Manager;
  • STCU – 4600 Tungsten-, titanium- and boron carbide-based nanocrystalline hardmetals. 2009–2011, Technologist;
  • STCU – P563. Development of radiation resistant structural ceramic materials based on boron carbide enriched in isotope boron-11, 2015–2017, Co-manager;

Awards and Premiums, Honorary Titles

  • At the Exhibition (“ВДНХ СССР”) awarded Silver Medal (certificate #37471, 13.12. 1989) for Achievements in the Development of USSR National Economy;

Additional information

Participation in the exhibitions:

  • Exhibition organized by the Georgian Agency of Innovations and Technologies – “Fabrication of nanocrystalline hard alloys based on titanium-, tungsten- and boron carbides. Tbilisi, 2014;
  • Exhibition organized by the Center of Georgian National Academy for Innovations and High Technologies: “Samples of Innovative and Science-Containing Product” Fabrication of nanocrystalline hard alloys based on titanium, tungsten and boron carbides. Tbilisi, June 5, 2015;