Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Jiří Hajnyš"'
Autor:
Eva Olšovská, Miroslava Lehotská Mikušová, Jana Tulinská, Eva Rollerová, Zuzana Vilamová, Aurélia Líšková, Mira Horváthová, Michaela Szabová, Ladislav Svoboda, Roman Gabor, Jiří Hajnyš, Richard Dvorský, Jana Kukutschová, Norbert Lukán
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 272, Iss , Pp 116088- (2024)
This study aims to investigate the in vitro effects of nanoparticles (NPs) produced during the selective laser melting (SLM) of 316 L stainless steel metal powder on the immune response in a human blood model. Experimental data did not reveal effect
Externí odkaz:
https://doaj.org/article/d176266bde294e5cb641ef9a9370f72a
Publikováno v:
Materials, Vol 17, Iss 14, p 3568 (2024)
The detection of defects in aluminium alloys using eddy current testing (ECT) can be restricted by higher electrical conductivity. Considering the occurrence of discontinuities during the selective laser melting (SLM) process, checking the ability of
Externí odkaz:
https://doaj.org/article/4ffe6b7ce88e4b81892a6cf5d009a22d
Autor:
Matúš Gel’atko, Michal Hatala, František Botko, Radoslav Vandžura, Jiří Hajnyš, Michal Šajgalík, Jozef Török
Publikováno v:
Materials, Vol 16, Iss 19, p 6461 (2023)
Residual stress occurs in the materials after different methods of processing due to the application of pressure and/or thermal gradient. The occurrence of residual stresses can be observed in both subtractive and additive-manufactured (AM) materials
Externí odkaz:
https://doaj.org/article/44c37493bf2448948bcd003e8d1a35da
Publikováno v:
Materials, Vol 16, Iss 17, p 5766 (2023)
This study focuses on the experimental verification of residual stress (RS) in a 3D-printed braking pedal using the Powder Bed Fusion (PBF) method with SS316L material. The RS was measured at two representative locations using the hole drilling metho
Externí odkaz:
https://doaj.org/article/383dad8978b64d89894366f6d3ee2c6a
Publikováno v:
Advances in Sciences and Technology, Vol 14, Iss 1, Pp 89-95 (2020)
Titanium super alloys are often used in the chemical and aerospace industries. Especially because of financial savings, resulting primarily from cheaper operation of equipment. - Machinability of titanium alloys is more difficult than that of other m
Externí odkaz:
https://doaj.org/article/999497676aa44fa4b337002955c45248
Publikováno v:
Materials, Vol 15, Iss 19, p 6783 (2022)
Additive manufacturing has many positives, but its incorporation into functional parts production is restricted by the presence of defects. Eddy current testing provides solutions for their identification; however, some methodology and measurement st
Externí odkaz:
https://doaj.org/article/05acf33567a7486c926466baf817e984
Autor:
Saifur Rahman, Rehan Khan, Usama Muhammad Niazi, Stanislaw Legutko, Muhammad Ali Khan, Bilal Anjum Ahmed, Jana Petrů, Jiří Hajnyš, Muhammad Irfan
Publikováno v:
Materials, Vol 15, Iss 16, p 5558 (2022)
Erosion of the elbow due to non-Newtonian viscous slurry flows is often observed in hydrocarbon transportation pipelines. This paper intends to study the erosion behavior of double offset U-bends and 180° U-bends for two-phase (liquid-sand) flow. A
Externí odkaz:
https://doaj.org/article/6f496e29d2274d5cabe361cbbaed5bfb
Publikováno v:
Advances in Sciences and Technology, Vol 12, Iss 1, Pp 236-243 (2018)
The paper deals with the design of a suitable cutting geometry of a tool for the machining of the Inconel 625 nickel alloy. This alloy is among the hard-to-machine refractory alloys that cause very rapid wear on cutting tools. Therefore, SNMG and RCM
Externí odkaz:
https://doaj.org/article/17d9e0678c134a16930f20ceeaf4d7de
Publikováno v:
Advances in Sciences and Technology, Vol 11, Iss 4, Pp 286-293 (2017)
The paper deals with the design of a suitable cutting geometry of a tool for the machining of the Inconel 625 nickel alloy. This alloy is among the hard-to-machine refractory alloys that cause very rapid wear on cutting tools. Therefore, SNMG and RCM
Externí odkaz:
https://doaj.org/article/08c698113d7647ecb6ffeee6090318b5
Publikováno v:
Advances in Sciences and Technology, Vol 10, Iss 32, Pp 24-31 (2016)
The article is focussed on comparing and determining the impact of the cutting geometry of the cutting tool due to dynamic load on system and microgeometry machined surface. For longitudinal turning nickel alloy Alloy 625 (W. Nr. 2.4856) rounded inde
Externí odkaz:
https://doaj.org/article/b3a6b13328b34a0cad6b386caf211a99