Anyagfizikai Tanszék

János Lendvai

full professor

Doctor of HAS (1992)

Anyagfizikai Tanszék


Office: 4.117


Direct phone: +36-1-372-2809

Phone: +36-1-372-2500 / 6409

Mobile phone: +36-30-853-4332


E-mail: send message


Surname: LENDVAI
Other name: János
Date and place of birth: 23 August 1946, Budapest, Hungary
Permanent address: Fillér u. 67, H-1022, Budapest, Hungary
Phone: 36-1-326-71-98

Employer: Department of Materials Physics, Eötvös University,
Budapest Pf. 32, H-1518
Pázmány Péter sétány 1A., H-1117 Budapest, Hungary
Phone: (36-1)-372-28-09 or 372-28-45
Fax: (36-1)-372-28-11

Present post: Professor (1993- ),
Degrees: M. Sc. (Physics) Eötvös University, Budapest, 1969
Ph. D. Eötvös University, Budapest, 1971
Cand. Phys. Sci. Hungarian Academy of Sci. 1978
Thesis Title: Mechanism of G.P. Zone Formation
in Al-Mg-Si Alloys
Doctor of Phys. Sci. Hungarian Academy of Sci. 1992
Thesis Title: The Mechanism of Formation of Precipitation Microstructure
and its Effect on the Mechanical Properties of Aluminium Alloys
Research Interests: - Alloy development
- Structure - property relations
- Precipitation phenomena, nucleation and growth, reversion, dissolution
- Mechanical properties, calorimetry, transport properties
- Nonequilibrium materials
- Nanostructured materials

Number of publications: 190
Number of citations: 860

Lecturing activities: - Electrodynamics (undergraduate)
- Thermodynamics (undergraduate)
- Phase transformations (post graduate)
- Materials Physics (post graduate)

Social activities:
- Chairman of the Materials Science Division of the Hungarian Physical society, (1992-96)
- Secretary of the Solid State Physics Committee of the Hungarian Academy of Sciences (1993-96)
- Member of Council of the Faculty of Science of the Eötvös University (1989- )
- Member of Editorial Boards of 4 international journals in physics and materials science
Visiting assignment:
1987 - 1989 Guest scientist at the Max-Planck-Institut für Metallforschung, Stuttgart, Germany

Research cooperations:
- Universitaet der Bundeswehr, München, Germany
- LPTCM, ENPG de Grenoble, France
- Charles University, Prague


Selected publications of the last five years:

[1] B. Baretzky, M.D. Baró, G.P. Grabovetskaya, J. Gubicza, M.B. Ivanov, Y.R. Kolobov, T.G. Langdon, J. Lendvai, A.G. Lipnitski, A.A. Mazilkin, A.A. Nazarov, J. Nogués, I.A. Ovidko, S.G. Protasova, G.I. Raab, Á. Révész, N.V. Skiba, J. Sort, M.J. Starink, B.B. Straumal, S. Surinach, T. Ungar, A.P. Zhilyaev: Fundamentals of interface phenomena in advanced bulk nanoscale materials, Rev. Adv. Mater. Sci. 9. 45-108 (2005)

[2] Á. Révész, L. Nagy, G. Ribárik, Zs. Kovács, T. Ungár, J. Lendvai: Microstructural evolution in mechanically alloyed nanocrystalline Al-20at.% Mg alloy, J. of Metastable and Nanocrystalline Materials 24-25. 149-152 (2005)

[3] P. Kenesei, Gy. Horváth, S. Bernstorff, T. Ungár, J. Lendvai: Early stages of nucleation and growth of Guinier–Preston zones in Al–Zn–Mg and Al–Zn–Mg–Cu alloys Z. Metallkd. 97. 315-320 (2006)

[4] Gy. Horváth, N.Q. Chinh, J. Gubicza, J. Lendvai: Plastic instabilities and dislocation densities during plastic deformation in Al-Mg alloys, Mat. Sci. Eng. A445-446. 186-192 (2007)

[5] D. Fátay, J. Gubicza, J. Lendvai: Indentation creep behavior of a Zr-based bulk metallic glass, J. Alloys Compd. 434: 75-78 (2007)

[6] N. Q. Chinh, J. Gubicza, T. Czeppe, J. Lendvai, Z. Hegedűs, C. Xu, T. G. Langdon: Effect of Pre-Aging on the Microstructure and Strength of Supersaturated AlZnMg Alloys Processed by ECAP, Mater. Sci. Forum 584-586. 501-506 (2008)

[7] J. Gubicza, J.L. Lábár, E. Agócs, D. Fátay, J. Lendvai: Effect of nano-quasicrystals on viscosity of a Zr-based bulk metallic glass, Scripta Mater. 58. 291-294 (2008)

[8] C. Kádár, F. Chmelĺk, M. Cieslar, J. Lendvai: Acoustic emission of salt-replicated foams during compression
Scripta Mater. 59. 987-990 (2008)

[9] J. Lendvai, D. Fátay, J. Gubicza: Indentation creep study on a Zr-based bulk metallic glass containing nano-quasicrystals, Mater. Sci. Eng. A483–484. 607–610 (2008)

[10] Li L, Ungar T, Wang YD, et al.: Microstructure evolution during cold rolling in a nanocrystalline Ni-Fe alloy determined by synchrotron X-ray diffraction
ACTA MATERIALIA Volume: 57 Issue: 17 Pages: 4988-5000 (2009)