Autor: Sokolnicki, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The structure and mechanical properties of pearlitic-ferritic vermicular cast iron
Autorzy:: Guzik, E.
Kopyciński, D.
Kleingartner, T.
Sokolnicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/382402.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: żeliwo wermikularne
osnowa pearlityczno ferrytyczna
drut proszkowy
właściwości mechaniczne
vermicular cast iron
pearlitic feritic matrix
Tundish + Cored Wire method
Opis:: The results of studies on the use of magnesium alloy in modern Tundish + Cored Wire injection method for production of vermicular graphite cast irons were described. The injection of Mg Cored Wire length is a treatment method which can be used to process iron melted in an electric induction furnace. This paper describes the results of using a high-magnesium ferrosilicon alloy in cored wire for the production of vermicular graphite cast irons at the; Tundish + Cored Wire to be injected methods (PE) for pearlitic-ferritic matrix GJV with about 25 % ferrite content. The results of calculations and experiments have indicated the length of the Cored Wire to be injected basing on the initial sulfur content and weight of the treated melt. The paper presents a microstructure matrix and vermicular graphite in standard sample and different walled castings. The results of numerous trials have shown that the magnesium Tundish + PE Method process can produce high quality vermicular graphite irons under the specific industrial conditions of the above mentioned foundries.
Źródło:: Archives of Foundry Engineering; 2012, 12, 1; 33-36
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Preparation vermicular graphite in thin and thick wall iron castings
Autorzy:: Kopyciński, D.
Guzik, E.
Nowak, A.
Ronduda, M.
Sokolnicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/382764.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: żeliwo wermikularne
żeliwo sferoidalne
tlen
żeliwo
vermicular cast iron
ductile cast iron
Tundish method
oxygen
cast iron
Opis:: The results of studies on the use of magnesium alloy in modern Tundish for production of vermicular graphite cast irons were described. This paper describes the results of using a low-magnesium ferrosilicon alloy for the production of vermicular graphite cast irons. The paper presents a vermicular (and nodular) graphite in different walled castings. The results of trials have shown that the magnesium Tundish process can produce high quality vermicular graphite irons under the specific industrial conditions of Foundries - Odlewnie Polskie S.A. in Starachowice. In this work describes too preliminary studies on the oxygen state in cast iron and their effect on graphite crystallization.
Źródło:: Archives of Foundry Engineering; 2012, 12, 2; 41-44
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The Althoff-Radtke Test Adapted for High Chromium Cast Iron
Autorzy:: Kopyciński, D.
Siekaniec, D.
Szczęsny, A.
Sokolnicki, M.
Nowak, A.
Powiązania:: https://bibliotekanauki.pl/articles/382642.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: mechanical properties
casting defect
hot crack
high chromium cast iron
właściwości mechaniczne
wada odlewu
pęknięcie gorące
żeliwo wysokochromowe
Opis:: The paper presents results of the possibility of adapting the Althoff-Radtke test for High Chromium Cast Iron. The Althoff-Radtke test is a clump attempt used for steel. The Althoff-Radtke test has four different lengths of clamp which qualifies it as a test to quantitatively take into account different kinds of shrinkage ΔL. The length of the slot of the cracked corner and the length of each staple (50 - 350 mm) are the parameters tendency to cast cracks. Castings of white cast iron have a high tendency to hot cracking due to the large range of solidification temperatures, unfavorable kinetics parameters of shrinkage, and especially a lack of expansion before shrinkage. Shrinkage of high chromium white cast iron is similar to the shrinkage of cast steel, and is approximately 2%. Therefore it is important to test susceptibility to hot cracks. Research was carried out under industrial conditions. Four melts were performed, one of the initial chemical composition and the other three modified by different amounts of Fe-Ti, respectively, 0.25%, 0.5% and 0.75% Fe-Ti. The propensity for hot cracking was based on the observation of the dark surface in the corner of the sample. The study shows that the Althoff-Radtke test can be adapted to determine the tendency for hot cracking of high chromium cast iron. It should however be noted that the test results can not be compared with those for other alloys.
Źródło:: Archives of Foundry Engineering; 2016, 16, 4; 61-64
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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