Autor: Binczyk, F. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Effect of Temperature on the Result of Complex Modification of IN-713C Superalloy Castings
Autorzy:: Binczyk, F.
Gradoń, P.
Mańka, M.
Findziński, R.
Powiązania:: https://bibliotekanauki.pl/articles/383137.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Innovative casting material
innovative casting technology
nickel alloy IN-713C
modification
cobalt aluminate
macrostructure
innowacyjny materiał odlewniczy
innowacyjna technologia odlewnicza
stop niklu IN-713C
glinek kobaltu
makrostruktura
Opis:: The paper presents the results of research on the determination of the effect of pouring temperature on the macrostructure of the castings subjected to complex (surface and volume) modification and double filtration. Tested castings were made of post-production scrap (gating system parts) of IN-713C superalloy. Tests included the evaluation of the number of grains per 1 mm², mean grain surface area, shape factor and tensile strength. Casting temperature below 1470 °C positively influenced the modification effect. The grains were finer and the mechanical properties increased, especially for castings with thicker walls. On the other hand, manufacture of thin walled castings of high quality require pouring temperature above 1480 °C.
Źródło:: Archives of Foundry Engineering; 2015, 15, 4; 13-16
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The Influence of Macrostructure of Nickelbased Superalloys IN713C and MAR 247 on the Characteristics of High-temperature Creep
Autorzy:: Cieśla, M.
Binczyk, F.
Mańka, M.
Findziński, R.
Powiązania:: https://bibliotekanauki.pl/articles/380019.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: nickel alloy IN-713C
superalloy Mar-247
macrostructure
modification
creep
stop niklu IN-713C
nadstop Mar-247
modyfikacja
Opis:: The study consisted in assessing the influence of surface and volume modification on the characteristics of high-temperature creep of castings made of waste products of nickel-based superalloys IN 713C and the MAR-247. The results of high-temperature creep tests performed under conditions of two variants of research were analysed. The characteristics of creep according to variant I were obtained on the basis of earlier studies of these alloys with the parameters T=982^oC, σ=150MPa [1]. Variant II included carrying out creep tests of alloy IN713C with the parameters T=760^oC, σ =400MPa and alloy MAR247 with the parameters: T=982^oC, σ=200MPa.Developed creep characteristics were compared with the results of these alloys with the parameters according to variant I of the study. It was observed that the conditions of experiments carried out depending upon the value of the creep test temperature and stress with the creep stability depends on the size of the macrograin (I variant of the studies) or such influence was not observed (II variant of the studies). Stability of samples with coarse structure in variant I of creep tests was significantly higher than the samples with fragmented grain. It was found that the observed stability conditions are dependent on the dominant deformation mechanisms under creep tests carried out - diffusion mechanism in variant I and a dislocation mechanism in variant II of the study. The conditions for the formation and growth of the cracks in the tested materials, including the morphological characteristics of their macro-and microstructure were tested.
Źródło:: Archives of Foundry Engineering; 2014, 14, 4; 11-16
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Surface Modification of Cored, Thin Walled Castings of Nickel Superalloy IN-713C
Autorzy:: Binczyk, F.
Cwajna, J.
Gradoń, P.
Mańka, M.
Findziński, R.
Powiązania:: https://bibliotekanauki.pl/articles/381063.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Innovative casting material
innovative casting technology
nickel alloy IN-713C
surface modification
cobalt aluminate
macrostructure
innowacyjny materiał odlewniczy
innowacyjna technologia odlewnicza
stop niklu IN-713C
modyfikacja powierzchni
glinek kobaltu
makrostruktura
Opis:: In current casting technology of cored, thin walled castings, the modifying coating is applied on the surface of wax pattern and, after the removal of the wax, is transferred to inner mould surface. This way the modification leading to grain refinement occur on the surface of the casting. In thin walled castings the modification effect can also be seen on the other (external) side of the casting. Proper reproduction of details in thin walled castings require high pouring temperature which intensify the chemical reactions on the mould – molten metal interface. This may lead to degradation of the surface of the castings. The core modification process is thought to circumvent this problem. The modifying coating is applied to the surface of the core. The degradation of internal surface of the casting is less relevant. The most important factor in this technology is “trough” modification – obtaining fine grained structure on the surface opposite to the surface reproduced by the core.
Źródło:: Archives of Foundry Engineering; 2015, 15, 3; 17-20
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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