• 712 Citations
  • 14 h-Index
19962014

Research output per year

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Research Output

2014

Localization of plastic deformation along shear bands in Vitreloy bulk metallic glass during high pressure torsion

Kovács, Z., Schafler, E., Szommer, P. & Révész, Á., Apr 25 2014, In : Journal of Alloys and Compounds. 593, p. 207-212 6 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Statistical analysis of acoustic emission events in torsional deformation of a Vitreloy bulk metallic glass

Kovács, Z., Ezzeldien, M., Máthis, K., Ispánovity, P., Chmelík, F. & Lendvai, J., May 15 2014, In : Acta Materialia. 70, p. 113-122 10 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2013

Stability of medium range order in Al-based metallic glass compacted by severe plastic deformation

Kovács, Z., Henits, P., Varga, L. K., Schafler, E. & Révész, Á., Jun 5 2013, In : Journal of Alloys and Compounds. 561, p. 5-9 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Stages in room temperature torsional deformation of a Vitreloy bulk metallic glass

Ezzeldien, M., Kovács, Z., Lendvai, J., Chmelík, F. & Máthis, K., Jan 1 2013, In : Journal of Alloys and Compounds. 577, p. 25-29 5 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2012

Free volume simulation for severe plastic deformation of metallic glasses

Henits, P., Révész, Á. & Kovács, Z., Jul 1 2012, In : Mechanics of Materials. 50, p. 81-87 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Ideal elasto-plastic behavior in torsional deformation of Zr 44Ti 11Cu 10Ni 10Be 25 bulk metallic glass

Kovács, Z., Tóth, L. S. & Lendvai, J., Nov 25 2012, In : Journal of Alloys and Compounds. 542, p. 85-89 5 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2011

Effect of accumulated shear on the microstructure and morphology of severely deformed Cu60Zr30Ti10 metallic glass

Hóbor, S., Kovács, Z. & Révész, Á., Sep 1 2011, In : Journal of Alloys and Compounds. 509, 35, p. 8641-8648 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
12 Citations (Scopus)
12 Citations (Scopus)
2010
5 Citations (Scopus)

Estimation of heat production during high pressure torsion of Cu-based metallic glass

Hóbor, S., Kovács, Z. & Révész, Á., Apr 16 2010, In : Journal of Alloys and Compounds. 495, 2, p. 352-355 4 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

High pressure torsion of binary Cu64.5Zr35.5 alloy

Révész, Á., Kovács, Z., Szabó, P. J., Schafler, E., Varga, L. K. & Hóbor, S., May 1 2010, In : Physica Status Solidi (A) Applications and Materials Science. 207, 5, p. 1185-1189 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Laser micro-processing of amorphous and partially crystalline Cu 45Zr48Al7 alloy

Aqida, S. N., Brabazon, D., Naher, S., Kovacs, Z. & Browne, D. J., Nov 2010, In : Applied Physics A: Materials Science and Processing. 101, 2, p. 357-360 4 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
4 Citations (Scopus)

Structural changes in Zr-based bulk metallic glasses deformed by high pressure torsion

Révész, Á., Henits, P. & Kovács, Z., Apr 16 2010, In : Journal of Alloys and Compounds. 495, 2, p. 338-340 3 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2009
2 Citations (Scopus)

Macroscopic thermoplastic model applied to the high pressure torsion of metallic glasses

Hóbor, S., Kovács, Z. & Ŕv́sz, D., Aug 12 2009, In : Journal of Applied Physics. 106, 2, 023531.

Research output: Contribution to journalArticle

11 Citations (Scopus)
1 Citation (Scopus)
2008

Crystallization of amorphous Al85Ce8 Ni5Co2 HPT-alloy

Henits, P., Kovács, Z. & Révész, Á., Dec 1 2008, In : Reviews on Advanced Materials Science. 18, 7, p. 597-599 3 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Different nanocrystallization sequence during high pressure torsion and thermal treatments of amorphous Cu60Zr20 Ti20 alloy

Hóbor, S., Révész, Á., Zhilyaev, A. P. & Kovás, Z., Dec 1 2008, In : Reviews on Advanced Materials Science. 18, 7, p. 590-592 3 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

High pressure torsion of amorphous Cu60 Zr30 Ti10 alloy

Hóbor, S., Ŕv́sz, Á., Szabó, Ṕ. J., Zhilyaev, A. P., Kis, V. K., Lábár, J. L. & Kovács, Z., Aug 25 2008, In : Journal of Applied Physics. 104, 3, 033525.

Research output: Contribution to journalArticle

34 Citations (Scopus)

Nanocrystallization process in amorphous alloys during severe plastic deformation and thermal treatments

Kovács, Z., Henits, P., Hóbor, S. & Révész, Á., Dec 1 2008, In : Reviews on Advanced Materials Science. 18, 7, p. 593-596 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Severe plastic deformation induced nanocrystallization of melt-spun Al85Y8Ni5Co2 amorphous alloy

Henits, P., Révész, Á., Zhilyaev, A. P. & Kovács, Z., Aug 11 2008, In : Journal of Alloys and Compounds. 461, 1-2, p. 195-199 5 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)
41 Citations (Scopus)

Volume changes in Vitreloy bulk metallic glass during room temperature high-pressure torsion

Kovács, Z., Schafler, E. & Révész, Á., Dec 1 2008, In : Journal of Materials Research. 23, 12, p. 3409-3414 6 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2007

Deformation induced crystallization in an amorphous Cu60Zr20Ti20 alloy by high pressure torsion

Révész, Á., Hóbor, S., Szabó, P. J., Zhilyaev, A. P. & Kovács, Z., Jul 15 2007, In : Materials Science and Engineering A. 460-461, p. 459-463 5 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

High temperature behavior of ball-milled Al-Ni-Ce-Co alloys

Révész, A., Henits, P. & Kovács, Z., May 31 2007, In : Journal of Alloys and Compounds. 434-435, SPEC. ISS., p. 424-427 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Radial dependence of the microstructure in a HPT Cu-Zr-Ti disc

Kovács, Z., Hóbor, S., Szabó, P. J., Lendvai, J., Zhilyaev, A. P. & Révész, Á., Mar 25 2007, In : Materials Science and Engineering A. 449-451, p. 1139-1142 4 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Shear-band propagation in fully amorphous and partially crystallized Mg-based alloys studied by nanoindentation and transmission electron microscopy

Castellero, A., Lloyd, S. J., Madge, S. V., Kovacs, Z., Löffler, J. F., Baricco, M. & Greer, A. L., May 31 2007, In : Journal of Alloys and Compounds. 434-435, SPEC. ISS., p. 48-51 4 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Thermal stability and hardness of Mg-Cu-Au-Y amorphous alloys

Baricco, M., Castellero, A., Di Chio, M., Kovacs, Z., Rizzi, P., Satta, M. & Ziggiotti, A., May 31 2007, In : Journal of Alloys and Compounds. 434-435, SPEC. ISS., p. 183-186 4 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2006

Deformation induced primary crystallization in a thermally non-primary crystallizing amorphous Al85Ce8Ni5Co 2 alloy

Kovács, Z., Henits, P., Zhilyaev, A. P. & Révész, Á., May 1 2006, In : Scripta Materialia. 54, 10, p. 1733-1737 5 p.

Research output: Contribution to journalArticle

72 Citations (Scopus)

Microstructural characterization of the crystallization sequence of a severe plastically deformed Al-Ce-Ni-Co amorphous alloy

Kovács, Z., Henits, P., Zhilyaev, A. P., Chinh, N. Q. & Révész, Á., Dec 1 2006, Aluminium Alloys 2006: Research Through Innovation and Technology - Proceedings of the 10th International Conference on Aluminium Alloys. PART 2 ed. p. 1329-1334 6 p. (Materials Science Forum; vol. 519-521, no. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Partial amorphization of a Cu-Zr-Ti alloy by high pressure torsion

Ŕv́sz, Á., Hóbor, S., Lábár, J. L., Zhilyaev, A. P. & Kovács, Z., Dec 8 2006, In : Journal of Applied Physics. 100, 10, 103522.

Research output: Contribution to journalArticle

33 Citations (Scopus)

Precipitation and mechanical properties of supersaturated Al-Zn-Mg alloys processed by severe plastic deformation

Schiller, I., Gubicza, J., Kovács, Z., Chinh, N. Q. & Illy, J., Dec 1 2006, Aluminium Alloys 2006: Research Through Innovation and Technology - Proceedings of the 10th International Conference on Aluminium Alloys. PART 1 ed. p. 835-840 6 p. (Materials Science Forum; vol. 519-521, no. PART 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)
2005

Effect of local ordering on the decomposition of an amorphous Cu-Zr-Ti alloy

Kovács, Z. & Ŕv́sz, Á., Dec 28 2005, In : Applied Physics Letters. 87, 25, p. 1-3 3 p., 251909.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Kinematic and dynamic characterization of plastic instabilities occurring in nano- and microindentation tests

Chinh, N. Q., Horváth, G., Kovács, Z., Juhász, A., Bérces, G. & Lendvai, J., Nov 15 2005, In : Materials Science and Engineering A. 409, 1-2, p. 100-107 8 p.

Research output: Contribution to journalReview article

7 Citations (Scopus)
2004

Depth-sensing indentation tests in studying plastic instabilities

Chinh, N. Q., Gubicza, J., Kovács, Z. & Lendvai, J., Jan 2004, In : Journal of Materials Research. 19, 1, p. 31-45 15 p.

Research output: Contribution to journalArticle

45 Citations (Scopus)

Thermal stability and instrumented indentation in a Mg60Cu30Y10 bulk metallic glass

Kovács, Z., Castellero, A., Greer, A. L., Lendvai, J. & Baricco, M., Dec 15 2004, In : Materials Science and Engineering A. 387-389, 1-2 SPEC. ISS., p. 1012-1017 6 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)
2002

Acoustic emission due to portevin-le châtelier instabilities in load rate controlled experiments

Kovács, Z., Chmelík, F., Lendvai, J. & Lukáč, P., Jan 1 2002, In : Kovove Materialy. 40, 5, p. 298-306 9 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Characterization of plastic instability steps occurring in depth-sensing indentation tests

Chinh, N. Q., Horváth, G., Kovács, Z. & Lendvai, J., Feb 15 2002, In : Materials Science and Engineering A. 324, 1-2, p. 219-224 6 p.

Research output: Contribution to journalArticle

37 Citations (Scopus)

Defect characterization of equal channel angular pressed Cu by selective annealing treatment

Schafler, E., Dubravina, A. & Kovacs, Z., Jan 1 2002, p. 605-613. 9 p.

Research output: Contribution to conferencePaper

6 Citations (Scopus)

Effect of grain boundaries on PLC plastic instabilities

Kovács, Z., Fátay, D., Nyilas, K. & Lendvai, J., Jan 1 2002, In : Journal of Engineering Materials and Technology, Transactions of the ASME. 124, 1, p. 23-26 4 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Effect of indentation size on plastic deformation processes in an ultrafine-grained Al-3% Mg alloy

Kovács, Z., Chinh, N. Q., Lendvai, J., Horita, Z. & Langdon, T. G., Jan 1 2002, In : Materials Science Forum. 396-402, 2, p. 1073-1078 6 p.

Research output: Contribution to journalConference article

5 Citations (Scopus)

Effect of Mg additions on the work hardening behavior of aluminum over a wide range of strain

Chinh, N. Q., Illy, J., Kovács, Z., Horita, Z. & Langdon, T. G., Jan 1 2002, In : Materials Science Forum. 396-402, 2, p. 1007-1012 6 p.

Research output: Contribution to journalConference article

8 Citations (Scopus)
11 Citations (Scopus)
2001
11 Citations (Scopus)
2000

Critical concentration of Mg addition for plastic instabilities in Al-Mg alloys

Chinh, N. Q., Csikor, F., Kovács, Z. & Lendvai, J., May 2000, In : Journal of Materials Research. 15, 5, p. 1037-1040 4 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)
31 Citations (Scopus)