Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Richard Pastirčák"'
Publikováno v:
Metals, Vol 13, Iss 8, p 1424 (2023)
The technology of casting with crystallization under pressure-squeeze casting belongs to unconventional pressure-casting methods. The melt or material in a semi-solid state is pressed under pressure until the casting solidifies completely. The input
Externí odkaz:
https://doaj.org/article/8a63b11432bb46d9b28660a38cd6079f
Autor:
Elena Kantoríková, Richard Pastirčák
Publikováno v:
Archives of Foundry Engineering.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d81c81b104abc332ddb6dc4efa2d651
https://doi.org/10.24425/afe.2020.131292
https://doi.org/10.24425/afe.2020.131292
Publikováno v:
Production Engineering Archives. 28:172-177
This paperwork is focused on the quality of AlSi6Cu4 casting with different wall thicknesses cast into the metal mold. Investigated are structural changes (the morphology, size, and distribution of structural components). The quantitative analysis is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebc9e77888217d1a4ffc10e3d302d7ab
https://doi.org/10.30657/pea.2022.28.20
https://doi.org/10.30657/pea.2022.28.20
Publikováno v:
Manufacturing Technology. 19:797-801
This paper will investigate the changes in size and amount of the microstructural features in secondary aluminium casts associated with different wall thickness. The experimental samples were casting into the sand mould. The changes were documented a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5007560c473b09494d0b9267eda7feab
https://doi.org/10.21062/ujep/374.2019/a/1213-2489/mt/19/5/797
https://doi.org/10.21062/ujep/374.2019/a/1213-2489/mt/19/5/797
Publikováno v:
Scopus-Elsevier
The article deals with the effect of variaton of the technological parameters on the change mechanical properties and density of the AlSi7Mg0.3 alloy using squeeze casting technology. The AlSi7Mg0.3 alloy has been chosen because the acting pressure h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd9d2d5cd3f933c84d2a07a068baa204
https://doi.org/10.21062/ujep/x.2017/a/1213-2489/mt/17/6/930
https://doi.org/10.21062/ujep/x.2017/a/1213-2489/mt/17/6/930
Autor:
Richard Pastirčák, Ján Ščury
Publikováno v:
Scopus-Elsevier
The paper deals with the methodology of heat transfer coefficient measuring while using squeeze casting process. The casting with crystallization under pressure was used, specifically direct squeeze casting method. The pressure applied to the melt ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09b94a62e34dd7c264e09e76a2394a17
https://doi.org/10.21062/ujep/x.2016/a/1213-2489/mt/16/3/622
https://doi.org/10.21062/ujep/x.2016/a/1213-2489/mt/16/3/622
Publikováno v:
MATEC Web of Conferences, Vol 157, p 02036 (2018)
Estimation of the heat flow at the metal-mold interface is necessary for accurate simulation of the solidification processes. For the numerical simulation, a precise prediction of boundary conditions is required to determine the temperature distribut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31d294ddea133d9c598f13ae4b1e158f
https://doaj.org/article/27a49c88e1764fc0a0656096f2acb622
https://doaj.org/article/27a49c88e1764fc0a0656096f2acb622
Autor:
Richard Pastirčák, Emil Krivoš
Publikováno v:
Manufacturing Technology. 13:92-97
Submitted article deals with the methods to improve mould breathability when using the Patternless process method and also examines the influence of opening material grain size on the dimensional and shape precision of made castings. Mentioned method
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31913c4116a0278461ebc89ec5c825a9
https://doi.org/10.21062/ujep/x.2013/a/1213-2489/mt/13/1/92
https://doi.org/10.21062/ujep/x.2013/a/1213-2489/mt/13/1/92
Publikováno v:
Metals, Vol 14, Iss 3, p 312 (2024)
In this paper, a naturally pressurized gating system has been designed to reduce the turbulence of the melt during casting. The influence of gate dimensions, foam filters, a trident gate and a vortex element were evaluated. Their effect on melt veloc
Externí odkaz:
https://doaj.org/article/e7b38833077c4e6ca6f190f234b0e806
Autor:
Ján Ščury, Richard Pastirčák
Publikováno v:
AIP Conference Proceedings.
The paper deals with the impact of technological parameters on the heat transfer coefficient and microstructure in AlCu4Ti alloy using squeeze casting technology. The casting with crystallization under pressure was used, specifically direct squeeze c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::238ca4d51c2ddf4723783bdb7e2a1867
https://doi.org/10.1063/1.4953738
https://doi.org/10.1063/1.4953738