Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Krzysztof Łęczycki"'
Autor:
Krzysztof Łęczycki, Sebastian Gronek
Publikováno v:
Journal of KONBiN, Vol 50, Iss 4, Pp 89-110 (2020)
The paper presented research results of the impact of short-term overheating of samples collected from the outer bearing ring suitable for the operation at elevated temperature installed in the turbine engine on the microstructure and hardness of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cff5432a0967fa5f34613005161d9f8c
https://doaj.org/article/6aa879c8dfff400ca6e1cb45062d350b
https://doaj.org/article/6aa879c8dfff400ca6e1cb45062d350b
Autor:
Barbara Romelczyk-Baishya, Mariusz Kulczyk, Zbigniew Pakiela, Magdalena Płocińska, Rafal M. Molak, Krzysztof Łęczycki
Publikováno v:
Archives of Civil and Mechanical Engineering. 18:1166-1182
This papers deals with the character on low (−180 °C) temperature fracture of iron. Microcrystalline and ultrafine-grained (UFG) iron rods were investigated. To obtain UFG material 20 mm in diameter iron rod was hydrostatically extruded (HE) in tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f95a191c886134f7c6ee817abc5e7673
https://doi.org/10.1016/j.acme.2018.02.014
https://doi.org/10.1016/j.acme.2018.02.014
Autor:
Krzysztof Łęczycki
Publikováno v:
Transportation Overview - Przeglad Komunikacyjny. 2018:28-39
Rolling bearings are crucial component of aviation turbine engines. Bearing failure may, in worst case, lead to an engine failure and aircraft disaster. Therefore, investigation of their causes and subsequent risk factors elimination are of utmost im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05c4ad68538589fcfee312997ec8f0b0
https://doi.org/10.35117/a_eng_18_09_04
https://doi.org/10.35117/a_eng_18_09_04
Autor:
Sebastian Gronek, Krzysztof Łęczycki
Publikováno v:
Aviation Advances & Maintenance. 40:129-172
Rare earth elements (REEs) are a group of elements of fundamental importance for the industry, including especially high-tech solutions. Lack of alternatives for this group of materials in some applications used in the armaments industry results in r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0c6056ce2de4c13b533bdf1e511ad4d
https://doi.org/10.1515/afit-2017-0011
https://doi.org/10.1515/afit-2017-0011
Autor:
Krzysztof Łęczycki
Publikováno v:
Research Works of Air Force Institute of Technology, Vol 40, Iss 1, Pp 67-107 (2017)
Firing from gun armament generates a wide range of physico-chemical phenomena contributing to the degradation of barrel material, e.g. pressure, high temperature, chemically aggressive character of post-detonation gases and friction of a driving band
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3592395b099eefb38d315fc66918083f
https://doi.org/10.1515/afit-2017-0003
https://doi.org/10.1515/afit-2017-0003