Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Marzena Lachowicz"'
Autor:
Marek Hawryluk, Marta Janik, Zbigniew Gronostajski, Artur Barełkowki, Maciej Zwierzchowski, Marzena Lachowicz, Jacek Ziemba, Jan Marzec
Publikováno v:
Materials, Vol 17, Iss 2, p 370 (2024)
This study refers to an analysis of the durability of forging tools applied in the second operation of producing a valve forging from the chromium–nickel steel, NC3015. Due to the extreme working conditions of the tools, caused by cyclic thermo-mec
Externí odkaz:
https://doaj.org/article/93caee2e207b49c7a7c56ea8b08a1169
Publikováno v:
Corrosion and Materials Degradation, Vol 3, Iss 1, Pp 142-159 (2022)
The corrosion resistance of the AW7075 alloy after RRA treatment was evaluated. The corrosion rate in the NSS test was assessed and the electrochemical parameters were determined. The results were compared with the results obtained for the alloy subj
Externí odkaz:
https://doaj.org/article/1a88e55332ba49cdbe95b06b74acf8d8
Autor:
Marek Hawryluk, Marzena Lachowicz, Aneta Łukaszek-Sołek, Łukasz Lisiecki, Grzegorz Ficak, Piotr Cygan
Publikováno v:
Materials, Vol 16, Iss 12, p 4223 (2023)
The paper presents the results of tests on a die insert made of non-standardised chrome-molybdenum–vanadium tool steel used during pre-forging, the life of which was 6000 forgings, while the average life for such tools is 8000 forgings. It was with
Externí odkaz:
https://doaj.org/article/349c1ad501fc40a785c6c57e1229e693
Autor:
Marzena Lachowicz
Publikováno v:
OCHRONA PRZED KOROZJĄ. 1:4-9
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0c2076839ab9b08cf2ae59d1cbad474
https://doi.org/10.15199/40.2022.5.1
https://doi.org/10.15199/40.2022.5.1
Publikováno v:
Strojniški vestnik, vol. 68, no. 7/8, pp. 493-505, 2022.
The paper presents an analysis of the influence of the heat treatment state on the abrasive wear of the AW7075 aluminium alloy. To determine the hardening state, the material hardness was measured. It was found that hardness is not the only factor th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::378ec6d16a22384c7ef882be688d43fc
https://repozitorij.uni-lj.si/Dokument.php?id=161656&dn=
https://repozitorij.uni-lj.si/Dokument.php?id=161656&dn=
Autor:
Marek Hawryluk, Marzena Lachowicz, Maciej Zwierzchowski, Marta Janik, Zbigniew Gronostajski, Jarosław Filipiak
Publikováno v:
Wear. :204963
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::299893609c5203dc52d8717b0335bb56
https://doi.org/10.1016/j.wear.2023.204963
https://doi.org/10.1016/j.wear.2023.204963
Publikováno v:
Engineering Failure Analysis. 143:106886
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e912b9bf39c378044dabc65cc89f8d3
https://doi.org/10.1016/j.engfailanal.2022.106886
https://doi.org/10.1016/j.engfailanal.2022.106886
Publikováno v:
Archives of Civil and Mechanical Engineering. 21
The study constitutes an analysis of the durability of dies used in the first operation of producing valve forgings from chromium–nickel steel (NCF 3015) for motor trucks. The average durability of the dies (subjected to standard thermal treatment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6785cef04aeeee2963ccb274f1988f8
https://doi.org/10.1007/s43452-021-00301-8
https://doi.org/10.1007/s43452-021-00301-8
Autor:
Grzegorz Golański, Marzena Lachowicz
Publikováno v:
Engineering Failure Analysis. 105:490-495
This paper presents the results of tests that resulted in determination of the reasons for a failure to the suspension of a steam superheater coil. The analysed element of the suspension was made of heat-resistant ferritic steel H25T. The scope of pe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9f37035e4fde97a888efa9588f4f49d
https://doi.org/10.1016/j.engfailanal.2019.07.024
https://doi.org/10.1016/j.engfailanal.2019.07.024
Autor:
M. B. Lachowicz, Marzena Lachowicz
Publikováno v:
Przegląd Spawalnictwa, Vol 91, Iss 8 (2019)
The paper presents the results of metallographic examination of a sleeve from a refrigeration system used in the food industry. On its outer surface, local surface changes were observed. Metallographic and microscopic SEM examinations were performed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e3aaec673edb564ae38aff48f03210d
https://doi.org/10.26628/wtr.v91i8.1034
https://doi.org/10.26628/wtr.v91i8.1034