Zobrazeno 1 - 10
of 1 828
pro vyhledávání: '"A. Kmita"'
Publikováno v:
Arabian Journal of Chemistry, Vol 11, Iss 3, Pp 380-387 (2018)
The article presents the results of research on thermal decomposition of Ester-Cured Alkaline Phenolic No-Bake (ALPHASET) binders used in molding technology. In the ALPHASET system phenol-formaldehyde resin of resole type is cured with a liquid mixtu
Externí odkaz:
https://doaj.org/article/1e34ff6566904458a365031c58a799e9
Publikováno v:
Metalurgija, Vol 56, Iss 1-2, Pp 21-24 (2017)
Pyrolysis-gas chromatography-mass spectrometry (PyGC/MS) was used to identify the major organic products created by pyrolysis of the ALPHASET binder components: hardener/catalyst, resin and cured resin. During the casting process, the cores and mould
Externí odkaz:
https://doaj.org/article/c8230ba41b6a417083e5f4ad9dc45a18
Publikováno v:
Metalurgija, Vol 56, Iss 1-2, Pp 29-32 (2017)
In this article it discuss on possible application of magnetic oxide nanoparticles, namely non-stoichiometric zinc ferrite nanoparticles as a functionalizing agent in foundry processes. Thermal analysis showed a weight loss of the sample at 1 273 K i
Externí odkaz:
https://doaj.org/article/1f312a687b30467ca9dfaf91416630e6
Publikováno v:
Metalurgija, Vol 55, Iss 4, Pp 589-592 (2016)
The aim of the investigations was the development of the protective coating and the method of its preparation intended for foundry moulds and cores. The selection of the proper surface-active agent, allowing graphite wetting by water in order to form
Externí odkaz:
https://doaj.org/article/636a9fb146af453982fc498f39ac1ee5
Publikováno v:
Metalurgija, Vol 53, Iss 4, Pp 451-454 (2014)
In this paper, the results of decomposition of a moulding sand with furfuryl resin also on a quartz matrix and with additions of a reclaimed material, under industrial conditions, are presented. Investigations of the gases emission in the test foundr
Externí odkaz:
https://doaj.org/article/471019157d5144be9c769117ef97b8b7
Publikováno v:
Metalurgija, Vol 53, Iss 4, Pp 459-462 (2014)
The article discusses the issue of the influence of colloidal solutions of nanoparticles of ZnO obtained using original method on physical and chemical properties (cohesions, adhesion, wettability) of water glass. Adhesion and cohesion strength has b
Externí odkaz:
https://doaj.org/article/b9e7acccac7a470188b2cf9f811514e7
Publikováno v:
Metalurgija, Vol 51, Iss 4, Pp 477-480 (2012)
The subject of the paper is the determination of the infl uence of the colloidal nanoparticles of zinc oxide on the structure of sodium water glass. Nanoparticles of zinc oxide in ethanol solvent were introduced into the water glass. The modification
Externí odkaz:
https://doaj.org/article/49bebf3f4a8b45c4a5af19b0d228cdf7
Neomycin Intercalation in Montmorillonite: The Role of Ion Exchange Capacity and Process Conditions.
Autor:
Rapacz-Kmita, Alicja1 (AUTHOR) kmita@agh.edu.pl, Gajek, Marcin1 (AUTHOR) kurpanik@agh.edu.pl, Dudek, Magdalena2 (AUTHOR) potoczek@agh.edu.pl, Kurpanik, Roksana1 (AUTHOR) kluska@agh.edu.pl, Kluska, Stanisława1 (AUTHOR), Stodolak-Zych, Ewa1 (AUTHOR) kmita@agh.edu.pl
Publikováno v:
Materials (1996-1944). Sep2024, Vol. 17 Issue 17, p4207. 20p.
Autor:
Witold Malec, Joanna Kulasa, Anna Brudny, Anna Hury, Bartlomiej Adamczyk, Ryszard Rzepecki, Robert Sekula, Grzegorz Kmita, Andrzej Rybak
Publikováno v:
Metals, Vol 14, Iss 9, p 975 (2024)
This article presents a comparative analysis of the crucial physical properties of electrically conductive components made of pure copper, produced by various additive manufacturing technologies such as binder jetting (BJ) and direct metal laser sint
Externí odkaz:
https://doaj.org/article/82268efb0a0945718dee3128ea87d177
Autor:
Alicja Rapacz-Kmita, Marcin Gajek, Magdalena Dudek, Roksana Kurpanik, Stanisława Kluska, Ewa Stodolak-Zych
Publikováno v:
Materials, Vol 17, Iss 17, p 4207 (2024)
The study examined the possibility of intercalation of montmorillonite with neomycin in an aqueous drug solution and the factors influencing the effectiveness of this process, such as the ion exchange capacity and process conditions, including the ti
Externí odkaz:
https://doaj.org/article/ae1a99a424204a03b99aa4b736c8d671