Ing. Karel Trojan Ph.D.

Study of Surface Integrity Evolution During Laser Hardening of 42CrMo4 Steel Using a 4 kW Diode Laser

Year of publication
2026
Publication
Materials. 2026, 19(4), ISSN 1996-1944.
Authors
Lazov, L. Teirumnieks, E. Yankov, E. Muiznieks, G. Čapek, J. Trojan, K.
Link
10.3390/ma19040717

Phase Composition of Al-Si Alloys for Internal Combustion Engine Pistons: Finite Element Structural Analysis

Year of publication
2026
Publication
Metals — Open Access Metallurgy Journal. 2026, 16(3), ISSN 2075-4701.
Authors
Tashev, A. Dimova, D. Dochev, B. Solakov, T. Trojan, K.
Link
10.3390/met16030325

The effect of machining parameters on surface integrity and fatigue performance of 42CrMo4 + QT high-strength steel

Year of publication
2026
Publication
Materials Science and Technology. 2026, 42(10), 1013-1032. ISSN 1743-2847.
Authors
Matušů, M. Papuga, J. Trojan, K. David, P. Mára, V. Trefil, A. Zabala, A.
Link
10.1177/02670836251362509

The Effect of Initial Microstructure and Hardenability on Diode Laser Surface Hardening of Medium-Carbon Steels

Year of publication
2026
Publication
Materials. 2026, 19(5), ISSN 1996-1944.
Authors
Lazov, L. Teirumnieks, E. Muiznieks, G. Leitans, A. Čapek, J. Trojan, K.
Link
10.3390/ma19050981

Influence of slip ratio on the phase stability of austenitic steel AISI 304 during rolling contact wear

Year of publication
2026
Publication
Friction. 2026, 14(5), ISSN 2223-7690.
Authors
Neslusan, M. Bastovansky, R. Minarik, P. Trojan, K.
Link
10.26599/FRICT.2025.9441203

Investigation of the Structural, Mechanical and Operational Properties of an Alloy AlSi18Cu3CrMn

Year of publication
2025
Publication
Materials. 2025, 18(23), ISSN 1996-1944.
Authors
Dimova, D. Dochev, B. Trojan, K. Kamarska, K.
Link
10.3390/ma18235434

Investigation of the Influence of Alloying Elements Ni, Cr, Co and Mo on the Crystallization Process, Phase Composition and Corrosion Resistance of AlSi25Cu4Cr and AlSi25Cu5Cr Alloys

Year of publication
2025
Publication
Materials. 2025, 18(4), ISSN 1996-1944.
Authors
Dochev, B. Dimova, D. Trojan, K. Čapek, J. Kamarska, K. Chuchulska, B.
Link
10.3390/ma18040907

Influence of Demagnetization and Microstructure Non-Homogeneity on Barkhausen Noise in the High-Strength Low-Alloyed Steel 1100 MC

Year of publication
2024
Publication
Applied Sciences. 2024, 14(4), ISSN 2076-3417.
Authors
Pitoňák, M. Ganev, N. Zgútová, K. Čapek, J. Trojan, K.
Link
10.3390/app14041511

Magnetic non-destructive monitoring of a ship's propeller blade after long-term operation

Year of publication
2024
Publication
Ocean Engineering. 2024, 291 ISSN 0029-8018.
Authors
Jurkovič, M. Neslušan, M. Čep, R. Minárik, P. Trojan, K. Čapek, J. Kalina, T.
Link
10.1016/j.oceaneng.2023.116470

Residual Stresses and the Microstructure of Modeled Laser-Hardened Railway Axle Seats under Fatigue

Year of publication
2024
Publication
Metals — Open Access Metallurgy Journal. 2024, 14(3), ISSN 2075-4701.
Authors
Čapek, J. Trojan, K. Kec, J. Ganev, N.
Link
10.3390/met14030290

Fretting fatigue of 42CrMo4+QT steel: Experimental and numerical assessment

Year of publication
2024
Publication
International Journal of Fatigue. 2024, 189 ISSN 1879-3452.
Authors
Nesládek, M. Enzveiler Marques, J. Papuga, J. Fojtík, F. Mára, V. Trojan, K. Doubrava, K.
Link
10.1016/j.ijfatigue.2024.108575

Phase transition in AISI 304 during rolling contact wear and its monitoring via Barkhausen noise emission

Year of publication
2024
Publication
Wear. 2024, 558-559 ISSN 0043-1648.
Authors
Neslusan, M. Bast'ovansky, R. Cep, R. Minarik, P. Trojan, K.
Link
10.1016/j.wear.2024.205563

Evaluating size effects on fatigue life of 42CrMo4+QT steel using a statistical SN model with highly-stressed volume and surface

Year of publication
2022
Publication
Procedia Structural Integrity. 2022, 2022 (42) 1414-1421. ISSN 2452-3216.
Authors
Enzveiler Marques, J. Mžourek, M. Papuga, J. Růžička, M. Mára, V. Trojan, K. Benasciutti, D.
Link
10.1016/j.prostr.2022.12.180

Fatigue Properties and Residual Stresses of Laser-Welded Heat-Resistant Pressure Vessel Steel, Verification on Vessel Model

Year of publication
2022
Publication
Metals — Open Access Metallurgy Journal. 2022, 12(9), ISSN 2075-4701.
Authors
Čapek, J. Kec, J. Trojan, K. Černý, I. Ganev, N. Kolařík, K. Němeček, S.
Link
10.3390/met12091517

Barkhausen noise emission of AISI 304 stainless steel originating from strain induced martensite by shot peening

Year of publication
2022
Publication
Journal of Materials Research and Technology. 2022, 20 748-762. ISSN 2238-7854.
Authors
Neslušan, M. Minárik, P. Čep, R. Uríček, J. Trojan, K. Ganev, N. Trško, L.
Link
10.1016/j.jmrt.2022.07.107

Monitoring of Plastic Straining Degree of Components Made of Interstitial Free Steel after Uniaxial Tensile Test by the Use of Barkhausen Noise Technique

Year of publication
2022
Publication
Steel Research International. 2022, 93(5), ISSN 1611-3683.
Authors
Schmidova, E. Neslusan, M. Ondrus, J. Trojan, K. Pitoňák, M. Klejch, F. Ramesha, S.K.
Link
10.1002/srin.202100597

Microstructural study of duplex stainless steel after turning using EBSD and X-ray diffraction analysis

Year of publication
2021
Publication
IOP Conference Series: Materials Science and Engineering. 2021, 1121 ISSN 1757-899X.
Authors
Čapek, J. Minarik, P. Neslušan, M. Trojan, K. Ganev, N.
Link
10.1088/1757-899X/1121/1/012033

On the Weldability of Thick P355NL1 Pressure Vessel Steel Plates Using Laser Welding

Year of publication
2021
Publication
Materials. 2021, 14(1), ISSN 1996-1944.
Authors
Čapek, J. Trojan, K. Kec, J. Černý, I. Ganev, N. Němeček, S.
Link
10.3390/ma14010131

Comparison of laser and electron beam weldability of high-strength steels

Year of publication
2021
Publication
IOP Conference Series: Materials Science and Engineering. 2021, 1178 ISSN 1757-899X.
Authors
Čapek, J. Kec, J. Němeček, S. Trojan, K. Ganev, N. Černý, I.
Link
10.1088/1757-899X/1178/1/012010