Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Paweł Just"'
Autor:
Vojtěch Růžek, Petr Louda, Katarzyna Buczkowska, Paweł Just, Karol Prałat, Justyna Ciemnicka, Plaskota Przemysław
Publikováno v:
Frontiers in Built Environment, Vol 8 (2022)
This paper deals with investigation of changes in geopolymer wettability with increasing mass fraction of high-carbon fly ash and surface treatment by cold atmospheric plasma (CAP) to determine the influence of fly ash on wettability and whether it i
Externí odkaz:
https://doaj.org/article/c4ada4b5e453447881494bf4f789e076
Autor:
Grzegorz Gumienny, Bogusław Pisarek, Tomasz Szymczak, Jakub Gawroński, Paweł Just, Ryszard Władysiak, Cezary Rapiejko, Tadeusz Pacyniak
Publikováno v:
Materials, Vol 15, Iss 23, p 8323 (2022)
The article is devoted to the optimization of the degassing parameters of the AlSi9Cu3(Fe) alloy. The alloy was degassed with a solid degasser (Ecosal) and nitrogen or argon. The variable parameters were time and type of degasser. The test castings w
Externí odkaz:
https://doaj.org/article/858e9a5a2d264a11867e6c927a4e57b4
Autor:
Katarzyna Ewa Buczkowska, Justyna Ciemnicka, Vojtěch Růžek, Przemysław Plaskota, Petr Louda, Paweł Just, Karol Prałat
This paper deals with investigation of changes in geopolymer wettability with increasing mass fraction of high-carbon fly ash and surface treatment by cold atmospheric plasma (CAP). In this study, multiple samples of geopolymers were prepared, includ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a1328ff904430295864c32dd62051e5
https://doi.org/10.20944/preprints202110.0439.v2
https://doi.org/10.20944/preprints202110.0439.v2
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 4, Pp 190-194 (2017)
The study discusses the issues connected with the production of thin-walled ceramic slurry in the replicast cs technology. In the ceramic mould production process, a special role is played by the liquid ceramic slurry used to produce the first layer
Autor:
B. Pisarek, Paweł Just
Publikováno v:
Archives of Foundry Engineering, Vol 14, Iss 4, Pp 39-44 (2014)
Small additions of Cr, Mo and W to aluminium-iron-nickel bronze are mostly located in phases κi (i=II; III; IV),and next in phase α (in the matrix) and phase γ2. They raise the temperature of the phase transformations in aluminium bronzes as well
Publikováno v:
Archives of Metallurgy and Materials. 58:823-826
This paper presents a technology of ductile cast iron obtain by lost foam process with use of inmold method. Spheroidization was carried out using master alloy in an amount of 1.5% by mass on casting iron. Research the influence of the gating system
Publikováno v:
Archives of Foundry Engineering, Vol 13, Iss 3, Pp 43-46 (2013)
The paper presents the optimization of master alloy amount for the high nodular graphite yield (80-90%) in cast iron obtain in lost foam process. The influence of the gating system configuration and the shape of the reaction chamber, the degree of sp
Publikováno v:
Archives of Foundry Engineering, Vol 13, Iss 1, Pp 57-62 (2013)
The current work presents and describes the test bench for analyzing the lost foam process, especially measuring of the pressure of gases in the gas gap and continuous measuring of the rate of rise of the bath level when pouring the liquid metal into
Autor:
Tadeusz Pacyniak, Paweł Just
Publikováno v:
Archives of Foundry Engineering, Vol 12, Iss 2, Pp 175-178 (2012)
The Influence of the Shape of the Reaction Chamber on Spheroidisation of Cast Iron Produced in the Lost Foam Casting Process with Use of the Inmold Method The article presents the results of the research on the influence of the shape of reaction cham
Autor:
Marek Wozniak, Krzysztof Siczek, Sergiusz Zakrzewski, Pawel Just, Gustavo Ozuna, Constantin Onescu
Publikováno v:
Combustion Engines, Vol 192, Iss 1, Pp 26-35 (2022)
The exhaust gas recirculation (EGR) valve regulates the exhaust gas flow between the engine exhaust manifold and the inlet one. This allows the inlet air to warm up, improving fuel evaporation and reducing the combustion temperature of the charge. Su
Externí odkaz:
https://doaj.org/article/98b690948d72447683fcf875c0da8156