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Wyszukujesz frazę "odlewanie cienkościenne" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Thin wall ductile iron castings: technological aspects
Autorzy:
Fraś, E.
Górny, M.
Kapturkiewicz, W.
Powiązania:
https://bibliotekanauki.pl/articles/382730.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ductile iron
thin wall
wheel rim
żeliwo sferoidalne
odlewanie cienkościenne
obręcz koła
Opis:
The paper discusses the reasons for the current trend of substituting ductile iron castings by aluminum alloys castings. However, it has been shown that ductile iron is superior to aluminum alloys in many applications. In particular it has been demonstrated that is possible to produce thin wall wheel rim made of ductile iron without the development of chills, cold laps or misruns. In addition it has been shown that thin wall wheel rim made of ductile iron can have the same weight, and better mechanical properties, than their substitutes made of aluminum alloys.
Źródło:
Archives of Foundry Engineering; 2013, 13, 1; 23-28
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of titanium in Thin Wall Vermicular Graphite Iron Castings production
Autorzy:
Górny, M.
Kawalec, M.
Powiązania:
https://bibliotekanauki.pl/articles/381718.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
vermicular graphite
microstructure
titanium
thin walled casting
grafit wermikularny
mikrostruktura
tytan
odlewanie cienkościenne
Opis:
In this paper the effects of titanium addition in an amount up to 0.13 wt.% have been investigated to determine their effect on the microstructure and mechanical properties of Thin Wall Vermicular Graphite Iron Castings (TWVGI). The study was performed for thin-walled iron castings with 3-5 mm wall thickness and for the reference casting with 13 mm. Microstructural changes were evaluated by analyzing quantitative data sets obtained by image analyzer and also using scanning electron microscope (SEM). Metallographic examinations show that in thin-walled castings there is a significant impact of titanium addition to vermicular graphite formation. Thin-walled castings with vermicular graphite have a homogeneous structure, free of chills, and good mechanical properties. It may predispose them as a potential use as substitutes for aluminum alloy castings in diverse applications.
Źródło:
Archives of Foundry Engineering; 2013, 13, 2; 25-28
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The control of solidification kinetics of the vacuum-cast thin-wall nickel-based superalloys by changing the geometrical characteristics of the ceramic mold
Autorzy:
Cygan, R.
Szeliga, D.
Rokicki, P.
Sieniawski, J.
Suchy, J. S.
Powiązania:
https://bibliotekanauki.pl/articles/381982.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nickel based superalloy
ceramic mold
thin walled casting
investment casting
nadstop niklu
forma ceramiczna
odlewanie cienkościenne
odlewanie precyzyjne
Opis:
This paper provides an analysis of experimental research and results of investment casting process. Temperature field in a ceramic mold is one of the problems during numerical simulation. Reducing the costs of production in precision casting involves the reduction of scraps, which is one of the fundamental problems of the foundry industry. Reducing these costs is associated with optimization of precision casting technology of aircraft engines critical parts, including control of the solidification front in thin-walled castings of nickel super alloys cast in a vacuum. It is achieved by changing the geometrical characteristics of the ceramic mold. The results of the tests were used to optimize the industrial production of aircraft components in Precision Foundry of WSK Rzeszów. Temperature distribution gained in the conducted tests allowed verification and optimization of computer simulations.
Źródło:
Archives of Foundry Engineering; 2013, 13, 4; 21-28
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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