Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Krzysztof Gocman"'
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 69, Iss 3, Pp 59-75 (2020)
The article presents the results of in situ microscopic observations of quasihomogenic mixtures of hydrocarbon oils containing ionic liquids. Observations were made using NIKON ECLIPSE LV 100 D optical microscope. The mechanism of generating the ER e
Externí odkaz:
https://doaj.org/article/162a5860f8724452859df14c614d8209
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 68, Iss 4, Pp 29-55 (2020)
The aim of this publication is to present the results of studies on the SN-650 oil base with various concentrations of graphene oxide (GO), reduced graphene oxide (rGO) produced by the Institute of Electronic Materials Technology in Warsaw and hexago
Externí odkaz:
https://doaj.org/article/2f32b012932e405b9c53eec96e7779a9
Publikováno v:
Materials, Vol 15, Iss 15, p 5112 (2022)
Due to their properties, porous sliding bearings are considered to be maintenance-free, which means that no lubrication is required during operation. Their design enables operation at low rotational speeds with high load. Another effect of this beari
Externí odkaz:
https://doaj.org/article/9ab6d6af68de4394b45ff556db35b49d
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 68, Iss 3, Pp 65-93 (2019)
The purpose of this paper is to present the results of research of tribological behavior of basic greases (of 2. NLGI class) including different mass concentration concentration (0.05%, 0.1%, 0.2%, 0.5%, 1%, 2%) of additives: graphene oxide (produced
Externí odkaz:
https://doaj.org/article/94e0ae4a6d3048e7af42b2fc778f7218
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 68, Iss 2, Pp 109-143 (2019)
The content of the paper presents the results of investigations of selected lubricants. The study led to obtaining Hersey’s-Stribeck’s curves and to comparison of the lubricating properties of lubricants belonging to different groups such as hydr
Externí odkaz:
https://doaj.org/article/1f51b0e96198406aba47c4aafc62516b
Publikováno v:
Materials, Vol 15, Iss 3, p 955 (2022)
The article presents a discussion on the use of hexagonal boron nitride as an additive to lubricants. Based on the analysis of the research, factors determining its application were identified. These include particle size distribution, their morpholo
Externí odkaz:
https://doaj.org/article/178ba00d510142888ff3dfdb4573dc1c
Autor:
Janusz Kluczyński, Lucjan Śnieżek, Krzysztof Grzelak, Artur Oziębło, Krzysztof Perkowski, Janusz Torzewski, Ireneusz Szachogłuchowicz, Krzysztof Gocman, Marcin Wachowski, Bogusz Kania
Publikováno v:
Materials, Vol 13, Iss 17, p 3805 (2020)
In this study, we analyzed the mechanical properties of selectively laser melted (SLM) steel obtained via different modifications during and after the manufacturing process. The aim was to determine the effects of precipitation heat treatment on the
Externí odkaz:
https://doaj.org/article/621acbeda1dc471cb744e592dbb5b5e7
Autor:
Janusz Kluczyński, Lucjan Śnieżek, Krzysztof Grzelak, Jacek Janiszewski, Paweł Płatek, Janusz Torzewski, Ireneusz Szachogłuchowicz, Krzysztof Gocman
Publikováno v:
Materials, Vol 13, Iss 6, p 1449 (2020)
The main aim of this study was to investigate the influence of different energy density values used for the additively manufactured elements using selective laser melting (SLM).The group of process parameters considered was selected from the first-st
Externí odkaz:
https://doaj.org/article/338fbcb07c3b47d3a1c998515bd20ae9
Publikováno v:
Medžiagotyra, Vol 21, Iss 3, Pp 466-472 (2015)
The paper presents the results of research of durability tests of porous sleeves under differed conditions (600, 1000 and 1400 rpm, duration of the tests: 100, 200 and 1000 hours, temperature 60, 80 and 130˚C) of one oil. During the tests a temperat
Externí odkaz:
https://doaj.org/article/c01c7f06e7b947d78dd16eee8ca88433
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 63, Iss 1, Pp 87-100 (2014)
In this article there are presented some selected results of research works on new generationporous slide bearings, sintered from Höganas NC .100.24 iron powder, with addition of hexagonalboron nitride h-BN instead of copper or graphite powder. The
Externí odkaz:
https://doaj.org/article/1f2dd7f6853e41a88b1646cc3247df9d