Scientific Publications 1982–1999

  • Michailov, V. G. u. Wohlfahrt, H.: "FE Simulation of Hydrogen Distribution during Welding", Welding on the Threshold of XXI Century, 26-30 May 1999, Sozopol, Bulgaria, 227-238
  • Jordanov, J., Michailov, V. G., Christov, St. u. Anestiev, L.: "Hydrogen Diffusivity, Permeability and Solubility in Plastic Deformed and Heat Treated STE 890 Steel", Welding on the Threshold of XXI Century, 26-30 May 1999, Sozopol, Bulgaria, 249-257
  • Michailov, V. G. u. Wohlfahrt, H.: "Thermal diffusion processes in welding", International Conference "SVARKA' 98", St. Petersburg, 22-23 September, 1998, 43-54
  • Michailov, V. G., Thomas, K. u. Wohlfahrt, H.: "Influence of Welding on the Nitrogen Distribution in TIG Welding of Nitrogen Alloyed Steels", Congress - Materials Week 1998, Munich 12-15 October 1998, WILEY-VCH, Weinheim 1999, Vol. IV, 307-313
  • Michailov, V. G. u. Wohlfahrt, H.: "Processes of thermodiffusion during welding", International Conference "SVARKA' 98", St. Petersburg, 22-23 September, 1998, 43-54
  • Michailov, V. G.: Author's paper of the post-doctoral thesis "Elaboration, development and application of theoretical and experimental methods of investigation of the processes of temperature propagation, structural transformations, thermal diffusion and thermomechanics occurring during welding" (in Russian), TU St. Petersburg, 1997, 32 p.
  • Christov, St., Ouchev, V., Doynov, N. u. Michailov, V. G.: "Stress Strain Modelling for Cold Crack Investigation on Technological Weld Cold Cracking Test Specimens", II-award for the best theoretical report, IMS of the Bulgarian Academy of Science, 1997, 1-5 (in Bulgaria).
  • Karkhin, V. A., Michailov, V. G. u. Akatsevich, V. D.: "Modelling the Thermal Behaviour of Weld and Heat-Affected Zone During Pulsed Power Welding", "Mathematical Modelling of Weld Phenomena 4" 1997, 411-426
  • Wohlfahrt, H., Thomas, K., Michailov, V. G. u. Ehrmanntraut, M.: "Investigations on the suitability of unalloyed structural steel Rst37-2 for pressure butt welding", Journal "Schweißen und Schneiden", 49 (1997), H.1, 9-14
  • Michailov, V. G. u. Karkhin, V. A.: "Calculation of Temperature Fields and Cycles in Welding", International Congress "Mechanical Engineering Technolpgies' 97", Welding 3, Sofia 1997, 13-18
  • Michailov, V. G. u. Wohlfahrt, H.: "Modelling and Computation the Nitrogen Distribution during Welding of Nitrogen Steels", International Congress "Mechanical Engineering Technolpgies' 97", Welding 3, Sofia 1997, 1-6
  • Karkhin, V. A. u. Michailov, V. G.: "Modelling the Thermal Behaviour of Metals During Pulsed Power Welding", Journal of Materials Science and Technology 4 (1996), 3, 28-42
  • Georgiev, J., Petcjenyakov, I., Michailov, V. G., Thomas, K. u. Wohlfahrt, H.: "Nitrogen Solubility in 1.4306 and 1.4435 Austenitic Steels", Journal of Materials Science and Technology 4 (1996), H. 4, 28-32
  • Michailov, V. G., Thomas, K. u. Wohlfahrt, H.: " Hydrogen as a significant influence on the cold cracking tendency of steels during welding", DVS Berichte, Vol. 176, DVS-Verlag Düsseldorf, 1996, 30-34
  • Dobrev, R., Michailov, V. G. et al: "Thermoelectric investigations of welded joints of nitrogen-alloyed austenitic steel", XI International Conference "Defektoslopia' 96", Sosopol, 1996, 150-152 (in Bulgarian).
  • Georgiev, J., Petschenjakov, I., Michailov, V. G., Wohlfahrt, H. u. Thomas, K.: "Diffusion of nitrogen in CrNi steels (1.4306 and 1.4435)", XI International Conference "Defektoskopia' 96", Sosopol, 1996, 89-93 (in Bulgarian)
  • Michailov, V. G., Thomas, K. u. Wohlfahrt, H.: "Numerical simulation of hydrogen distribution in multilayer welded joints", Journal "Schweißen und Schneiden", 48 (1996), H1, 47-54
  • Michailov, V. G., Thomas, K. u. Wohlfahrt, H.: "Berechnung der Wasserstoffverteilung in mehrlagigen Schweißverbindungen", Proceedings of the XXIV, Assistant Seminar 2-4 November 1995, Monschau/Eifel, Verlag ISF RWTH Aachen, 59-62
  • Michailov, V. G.: "Evaluation of cold cracking tendency", Braunschweig - Colloquium 3.-4. November, 1994, DVS-Bezirksverband Braunschweig, Salzgitter-Wolfsburg , 69-84
  • Michailov, V. G., Thomas, K. u. Wohlfahrt, H.: "Calculation of the hydrogen distribution during electron beam welding of the titanium alloy TiAl6V4", Journal "Schweißen und Schneiden", 46 (1994), H. 3, 105-108
  • Michailov, V. G., Thomas, K. u. Wohlfahrt, H.: "Determination of the hydrogen distribution in welded joints using the finite element method", DVS Berichte 156, DVS-Verlag Düsseldorf, 1993, 167-171
  • Michailov, V. G. u. Wohlfahrt, H.: "Über der Wasserstoffumverteilung beim Schweißen", International wiss. Conference "Metallurgy of Welding and Filler Metals", 1 - 2 June St. Petersburg 1993, 161-164, (in Russian)
  • Michailov, V. G., Ruge, J. u. Thomas, K.: "Calculation of temperature fields in friction welding of tubes", 2nd GTE/DVS Joint Conference 15-18th, June, 1992, Budapest, 449-561
  • Michailov, V. G., Ruge, J. u. Thomas, K.: "Calculation of hydrogen distribution during welding", Journal "Schweißen und Schneiden", 43 (1991), H.11, 655-658
  • Perschin, V. A. u. Michailov, V. G.: "Calculation of temperature fields at contact between liquid metal and plasma-coated workpiece", Journal "Ogneupori", No. 4, 1990, 42-44, (in Russian)
  • Mikhailov, V. G., Todorov, K., Arsov, B. u. Konaktschiev, S.: "Calculation estimation of the kinetics of the temperature field and stress-strain state during the casting of steel balls", FOCOMP' 90, Sofia, 1990, I-16, (in Russian)
  • Sledov, S., Kardshov, K., Christov, St. u. Michailov, V. G.: "Automatic system for the preparation of welding", International conference of young scientists in the field of welding and allied processes, May 16-20, Kiev, 1989, (in Russian)
  • Michailov, V. G. u. Karkhin, V. A.: " Calculation of temperature fields during welding with heat source distributed arbitrarily over the thickness", Scientific Conference - BC Elenite, Bulgaria, 3-6 October 1989, I-4, (in Bulgarian).
  • Mikhailov, V. G. , Zaneva, V. u. Krastev, G.: "Investigation of the temperature field during welding with magnetically moving arc", Scientific Conference - BC Elenite, Bulgaria, 3-6 October 1989, I-3, (in Bulgarian).
  • Mikhailov, V. G.: "Modeling of the redistribution of hydrogen and nitrogen in the welded joints with consideration of thermal diffusion", Journal "Tchnicheska misal", XXVI, 1, 1989, 109-114, (in Bulgarian)
  • Konaktschiev, St., Michailov, V. G. u. Zaneva, V.: " Mathematical modelling of the temperature field in casting of structural steels", V. National Conference "Metallurgy and materials produced under counterpressure", Varna, Bulgaria, 1988, 19-20, (in Bulgarian)
  • Michailov, V. G. u. Karkhin, V. A.: "Using the Finite Elements Method in Predicting the Constructional Steels Susceptibility to Cold Cracking", Second Intern. Conf. Computer Technology in Welding, Cambridge, 8-9 June 1988.
  • Staevski, P. M., Georgiev, M. N., Pantschovska, B. I. u. Michailov, V. G.: "Influence of the temperature field on the formation of hot cracks during casting", Journal "Foundry Technology", 5, 1988, 10-11, (in Russian)
  • Kalev, L. Z., Michailov, V. G. u. Krustev, A.: "Influence of the Welding Technology and the Stress-Relieving Heat Treatment on the Corrosion Cracking Resistance of Welded Nitrogen-Alloyed Stainless Steel", IIW Conference 6-7 July 1987, Sofia, Bulgaria, 239-245
  • Michailov, V. G.: "Heat processes in welding with area-distributed, stationary heat source and with power changing in time", Journal "Technicheska misal", XXIV, 2, 1987, 111-114, (in Bulgarian)
  • Michailov, V. G. u. Staevski, P. M.: "Numerical solution of the 3D transient problem by the finite element method", Journal "Metallurgy and Technology", (15), 1987, 88-96, (in Bulgarian)
  • Kalev, L. Z., Mikhailov, V. G. and Valchev G. P.: "Calculation of temperature fields during welding with an arc moving in a magnetic field, with power changing over time", Journal "Svarotschnoe proisvodstvo", (10), 1986, 30-31, (in Russian)
  • Kalev, L. Z., Michailov, V. G. u. Uschev, V. I.: "Application of FEM for the calculation of temperature fields in multilayer welds", Journal "Technitscheska misal", XXIII, 1986, 107-112, (in Bulgarian)
  • Kalev, L. Z., Mikhailov, V. G. et al: "Analytical model for the calculation of temperature fields in welding with MBL" in Mathematics and mechanics and their application in science and practice, Sofia, 1985, 58-68, (in Bulgarian).
  • Petrov, P., Mladenov, G. M. and Michailov, V. G.: "Calculation of temperature fields in electron beam welding by the finite element method" in the book "Electron Beam Technologies", Varna, Bulgaria, 1985, 183-189 (in Russian).
  • Karkhin, V. A. u. Michailov, V. G.: "Distribution of hydrogen in single-layer welds" , Journal " Avtom. Svarka", 6(387), 1985, 39-42, (in Russian).
  • Karkhin, V. A., Raichuk, D. J., and Mikhailov, V. G.: "Kinetics of the Distribution of Residual Stresses and Hydrogen in the Welding of Pipes," in the book "Experiences of Scientific Groups in Leningrad in the Field of Welding Technology for 1984," Leningrad 1985, 78-80, (in Russian)
  • Mikhailov, V. G. and Karkhin, V. A.: "Theoretical-experimental model of cold cracking during welding of alloy steels", International Conference "Cracks in welded joints", Bratislava, 1985, 78-84, (in Russian)
  • Mikhailov, V. G. and Karkhin, V. A.: "Estimation of the tendency to cold cracking in the welding of alloy steels", in the book "Achievements of the Leningrad Scientific Groups in the Field of Welding Technology for 1983", Leningrad 1984, 63-66, (in Russian).
  • Mikhailov, V. G.: Author's paper of the thesis "Calculation and experimental estimation of the cold cracking tendency of alloy steels during welding", Leningrad, USSR, 1983, (in Russian)
  • Laskov, B., Tschalev, D. u. Michailov, V. G.: "Mechanical properties of the steels 10G2CAF, 17G2CAF, 23G2CAF after cold forming", Scientific Colloquium - TU Sofia, 1983, 37, (in Bulgarian)
  • Michailov, V. G.: "Theoretical bases of the relationship between the structural and mechanical properties of steels", Scientific Colloquium - TU Sofia, 1983, 31, (in Bulgarian)
  • Karkhin, V. A. u. Michailov, V. G.: "Calculation of hydrogen diffusion in thick-walled welded joints", Journal "Trudi LPI" , (395), 1983, 7-13, (in Russian)
  • Mikhailov, V. G. and Karkhin V. A.: "Calculation of welding stresses in the cold crack test VMEI - MVTU", in the book "Mathematics and Informatics - Moscow 1983", published by the Bulgarian Ministry of Education, 1983, 1032-1034, (in Russian).
  • Mikhailov, V. G.: "Kinetics of the redistribution of hydrogen in the VMEI - MVTU cold-run test", in the book " Mathematics and Computer Science - Moscow 1983", Publishing House of the Ministry of Education of Bulgaria, 1983, 1027-1031, (in Russian)
  • Karkhin, V. A. u. Michailov, V. G.: "Calculation of the kinetics of hydrogen in welding of alloy steels", III USSR Seminar " Hydrogen in metals", Donetsk, 15-17 September 1982, 231-232, (in Russian).