Zobrazeno 1 - 10
of 131
pro vyhledávání: '"Mocek J"'
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 4, Pp 79-84 (2017)
A large number of defects of castings made in sand moulds is caused by gases. There are several sources of gases: gases emitted from moulds, cores or protective coatings during pouring and casting solidification; water in moulding sands; moisture ads
Externí odkaz:
https://doaj.org/article/6397eb80ea42410ca3c65a62dd41bf84
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 4, Pp 79-84 (2016)
The new investigation method of the kinetics of the gas emission from moulding sands used for moulds and cores is presented in this paper. The gas evolution rate is presented not only as a function of heating time but also as a function of instantane
Externí odkaz:
https://doaj.org/article/7cc6ac4d50e84f9a8beeddaba9375a06
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 4, Pp 2129-2134 (2016)
The results concerning emission of gases from two commercial graphite protective coatings for moulds and cores (water and alcoholic) are given in the hereby paper. Investigations were performed in two systems. One of the systems was corresponding to
Externí odkaz:
https://doaj.org/article/f5a4fe39355e4a4db3d2ad329cb865fc
Publikováno v:
Archives of Foundry Engineering, Vol 15, Iss 4, Pp 95-100 (2015)
The obtained results of heating of sand moulds with binders by means of a thermal radiation of liquid metal are presented in this study. Standard samples for measuring Rg made of the tested moulding sands were suspended at the lower part of the cover
Externí odkaz:
https://doaj.org/article/505c00380c15484ea20e7ee3720c7c36
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 1, Pp 351-357 (2015)
The investigation results of the thermal conductivity of the selected group of moulding sands with chemical binders, mainly organic, are presented in the hereby paper. Studies encompassed also moulding sands into which additions improving the thermal
Externí odkaz:
https://doaj.org/article/4cdf4b6990de4d2d883537de11860e76
Autor:
Mocek J., Chojecki A.
Publikováno v:
Archives of Metallurgy and Materials, Vol 59, Iss 3, Pp 1045-1049 (2014)
A test mold was designed to investigate the full mold process. Pressure changes in a gap developing between the pattern made of foamed polystyrene and the raising column of liquid alloy were determined. Studies were conducted pouring molds with cast
Externí odkaz:
https://doaj.org/article/a16876fd133747d19ed28e7b0c4f57c4
Akademický článek
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Akademický článek
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Publikováno v:
International Journal of Cast Metals Research. 2004, Vol. 17 Issue 1, p47-50. 4p.