Temat: die material - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The decreasing of die cracking for HDPC technology by changing parameters of heat treatment
Autorzy:: Herman, A.
Zikmund, P.
Powiązania:: https://bibliotekanauki.pl/articles/380274.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: metalografia
obróbka cieplna
właściwości mechaniczne
odlewanie ciśnieniowe
metallography
heat treatment
mechanical properties
die material
HPDC technology
Opis:: In earlier works were described trends in the production of tools for die casting (hot work). Almost the entire set of issues dealt with may seem insignificant when incompletely assembled acceptance of the material and the associated risks of processing a material with an inappropriate structure, leading to a very early defect of the die. Therefore, further work will focus particularly on identifying the causes of thermal cracks and preventing a suitable choice of acceptance criteria conditions and heat treatment.
Źródło:: Archives of Foundry Engineering; 2012, 12, 3; 49-52
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Development of a New Tool Material for High Pressure Die Casting
Autorzy:: Herman, A.
Zikmund, P.
Tatíček, F.
Powiązania:: https://bibliotekanauki.pl/articles/382710.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: innovative foundry technology
innovative foundry material
metallography
die material
HPDC technology
wear resistant alloy
innowacyjna technologia odlewnicza
innowacyjny materiał odlewniczy
metalografia
odlewanie ciśnieniowe
stop odporny na ścieranie
Opis:: The paper describes existing requirements for tool materials. In the light of experience with these supplied materials, we have demonstrated their considerable influence on the life of molds for die casting technology. From this research came the evaluation methodology of these tool materials which has been used for directing the development of a new material. Based on the new regulation of the chemical composition a sample was casted and forged after that. Then was determined the process of heat treatment and from a block of this material a mold insert was produced. This insert is now being tested in production.
Źródło:: Archives of Foundry Engineering; 2015, 15, 2; 23-28
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Homogenity of die casting and returning material
Autorzy:: Malik, J.
Vasková, I.
Fecko, D.
Futáš, P.
Powiązania:: https://bibliotekanauki.pl/articles/382774.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: krystalizacja
innowacyjne technologie odlewnicze
innowacyjne materiały odlewnicze
odlewanie ciśnieniowe
maszyna ciśnieniowa
theory of crystallization
innovative foundry technologies
innovative foundry material
die casting
die casting machine
returning material
Opis:: Homogeneity of die castings is influenced by wide range of technological parameters as piston velocity in filling chamber of die casting machine, filling time of mould cavity, temperature of cast alloy, temperature of the mould, temperature of filling chamber, surface pressure on alloy during mould filling, final pressure and others. Based on stated parameters it is clear, that main parameters of die casting are filling time of die mould cavity and velocity of the melt in the ingates. Filling time must ensure the complete filling of the mould cavity before solidification process can negatively influence it. Among technological parameters also belong the returning material, which ratio in charge must be constrained according to requirement on final homogeneity of die castings. With the ratio of returning material influenced are the mechanical properties of castings, innerhomogeneity and chemical composition.
Źródło:: Archives of Foundry Engineering; 2012, 12, 2; 61-64
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Structure of AlSi20 Alloy in Heat Treated Die Casting
Autorzy:: Władysiak, R.
Kozuń, A.
Powiązania:: https://bibliotekanauki.pl/articles/382310.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: innovative foundry technology
innovative foundry material
die casting
water mist cooling
hypereutectic silumin
microstructure
innowacyjna technologia odlewnicza
innowacyjny materiał odlewniczy
odlewanie ciśnieniowe
chłodzenie mgłą wodną
silumin nadeutektyczny
mikrostruktura
Opis:: The work is a continuation of research on the use of water mist cooling in order to increase efficiency of die-casting aluminum alloys using multipoint water mist cooling system. The paper presents results of investigation on crystallization process and microstructure of synthetic hypereutectic AlSi20 alloy. Casts were made in permanent mold cooled a with water mist stream. The study was conducted for unmodified AlSi20 alloy and a modified one with phosphorus, titanium and boron on the research station allowing sequential multipoint cooling using a dedicated program of computer control. The study demonstrated that the use of mold cooled with water mist stream and solution heat treatment allows in wide range for the formation of the microstructure of hypereutectic silumins. It leads to the growth of microstructure refinement and spheroidizing of phases in the casting.
Źródło:: Archives of Foundry Engineering; 2015, 15, 1; 113-118
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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