Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Libor Mrna"'
1
Akademický článek
Surface Structuring of the CP Titanium by Ultrafast Laser Pulses
Autor: Kipkurui Ronoh, Jan Novotný, Libor Mrňa, Alexandr Knápek, Dinara Sobola
Publikováno v: Applied Sciences, Vol 14, Iss 8, p 3164 (2024)
Surface structuring by ultrafast lasers is a promising technique to modify surface-related properties of materials to tailor them for specific applications. In the present study, we experimentally investigated the laser structuring of commercially pu
Externí odkaz: https://doaj.org/article/be1cbd37612c4d8e853758dc1505c898
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3
Akademický článek
Analysis of processing efficiency, surface, and bulk chemistry, and nanomechanical properties of the Monel® alloy 400 after ultrashort pulsed laser ablation
Autor: Kipkurui Ronoh, Jan Novotný, Libor Mrňa, Alexandr Knápek, Dinara Sobola
Publikováno v: Materials Research Express, Vol 11, Iss 1, p 016514 (2024)
Monel ^® alloy 400 has excellent corrosion resistance and finds applications in marine industries. The processing of marine components requires high processing efficiency and a quality finish. Hence, this research aims to investigate the effects of
Externí odkaz: https://doaj.org/article/ad19be853e824c4cbfb171ffb5a11c77
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4
Akademický článek
Microstructural Characterization of Laser Weld of Hot-Stamped Al-Si Coated 22MnB5 and Modification of Weld Properties by Hybrid Welding
Autor: Hana Šebestová, Petr Horník, Šárka Mikmeková, Libor Mrňa, Pavel Doležal, Jan Novotný
Publikováno v: Materials, Vol 14, Iss 14, p 3943 (2021)
The presence of Al-Si coating on 22MnB5 leads to the formation of large ferritic bands in the dominantly martensitic microstructure of butt laser welds. Rapid cooling of laser weld metal is responsible for insufficient diffusion of coating elements i
Externí odkaz: https://doaj.org/article/6f50f27254c94b8099dffb5ca69d8087
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5
MANUFACTURING OF SANDWICH PANELS AND ITS VERIFICATION BY NUMERICAL SIMULATION
Autor: Libor Mrna, Jan Rihacek, Martin Harant
Publikováno v: MM Science Journal. 2021:4797-4802
This paper deals with the manufacturing of a parallel hydroformed sandwich panel, which is used as a reinforcement for solar panels. The forming process can cause excessive thinning and cracking. Therefore, PAM-STAMP software is used for the analysis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0b9a9d0aa6b0620ff51287a5ed99921
https://doi.org/10.17973/mmsj.2021_10_2021087
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