Temat: castability - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Influence of Pressure Die Casting Parameters on the Castability of AlSi11-SiC_p Composites
Autorzy:: Konopka, Z.
Zyska, A.
Łągiewka, M.
Nadolski, M.
Powiązania:: https://bibliotekanauki.pl/articles/382419.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: composite casting
pressure die casting
castability of composite
kompozyt odlewany
odlewanie ciśnieniowe
lejność kompozytu
Opis:: The paper presents the method of preparing a composite slurry composed of AlSi11 alloy matrix and 10 vol.% of SiC particles, as well as the method of its high-pressure die casting and the measurement results concerning the castability of the obtained composite. Composite castings were produced at various values of the piston velocity in the second stage of injection, diverse intensification pressure values, and various injection gate width values. There were found the regression equations describing the change of castability of the examined composite as a function of pressure die casting process parameters. The conclusion gives the analysis and the interpretation of the obtained results.
Źródło:: Archives of Foundry Engineering; 2015, 15, 1; 29-34
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Castability and Structure of Dental Alloys on a Nickel Base
Autorzy:: Zyska, A.
Konopka, Z.
Łągiewka, M.
Kordas, P.
Powiązania:: https://bibliotekanauki.pl/articles/382918.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: dental alloys
centrifugal casting
castability
nickel alloys
stopy dentystyczne
odlewanie odśrodkowe
lojalność
stopy niklu
Opis:: The results of castability and structures researches of two nickel base alloys - Ceranium CN and Magnum AN applied on casting of the crowns and dental bridges are presented. Studies were carried out on the alloys cast under the centrifugal force to the moulds made by the lost wax method using production line of ROKO. Having regard to a specific technology of casting and possibility of ROKO production line, to the estimation of alloys castability a spiral test was adjusted with a 0,8 mm and a 2,5 mm diameter of test casting. Measuriements executed on a 20 test castings allowed to establish, that castability of Magnum AN alloy was 65 % greater than castability of Ceranium NC alloy. The results of thermodynamics calculations of the equilibrium and nonequilibrium crystallization (Scheil model) of the investigated alloys are presented too. The characteristic temperatures of phase transformation and forecast phase composition of alloys for both kind of crystallization were calculated. It is established after structural supervisions, that the investigated alloys crystallize in dendryte form and in centrifugal casting conditions have cooling rate sensivity and inclination to texture structure forming in outmost layer of casting. Phase composition of alloys corresponds to the results of thermodynamics calculations of the nonequilibrium crystallization conditions.
Źródło:: Archives of Foundry Engineering; 2018, 18, 1; 139-144
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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