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Wyszukujesz frazę "aluminium alloy treatment" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Effect of Shortened Heat Treatment on Change of the Rm Tensile Strength of the 320.0 Aluminum Alloy
Autorzy:
Pezda, J.
Powiązania:
https://bibliotekanauki.pl/articles/381551.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
aluminum alloy
ATD
heat treatment
tensile strength
stop aluminium
metoda ATD
obróbka cieplna
wytrzymałość na rozciąganie
Opis:
Mechanical and technological properties of castings made from 3xx.x alloys depend mainly on properly performed process of melting and casting, structure of a casting and mould, as well as possible heat treatment. Precipitation processes occurring during the heat treatment of the silumins containing additives of Cu and/or Mg have effect on improvement of mechanical properties of the material, while choice of parameters of solutioning and ageing treatments belongs to objectives of research work performed by a number of authors. Shortened heat treatment, which is presented in the paper assures suitable mechanical properties (Rm), and simultaneously doesn’t cause any increase of production costs of a given component due to long lasting operations of the solutioning and ageing. Results of the research concern effects of the solutioning and ageing parameters on the Rm tensile strength presented in form of the second degree polynomial and illustrated in spatial diagrams. Performed shortened heat treatment results in considerable increase of the Rm tensile strength of the 320.0 alloy as early as after 1 hour of the solutioning and 2 hours of the ageing performed in suitable.
Źródło:
Archives of Foundry Engineering; 2015, 15, 1; 75-78
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of Various Types of Heat Treatment on Mechanical Properties of the EN AC-AlSi6Cu4 Alloy
Autorzy:
Jarco, A.
Pezda, J.
Powiązania:
https://bibliotekanauki.pl/articles/382485.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat treatment
aluminum alloy
ATD method
elongation
tensile strength
obróbka cieplna
stop aluminium
metoda ATD
wydłużenie
wytrzymałość na rozciąganie
Opis:
The Al-Si-Cu alloys with content of the copper from 2 to 4 percent, after solutioning and artificial ageing treatments (T6 heat treatment), feature high strength and very high hardness, however their elongation is considerably reduced. Maintaining value of elongation on the level of initial alloy is possible due to homogenizing treatment performed prior the T6 treatment. Performed strength tests of the initial alloy and the alloy after individual types of the heat treatment enable comparison of obtained results and assessment of usability of the investigated alloy to production of a castings. Test pieces to the strength tests were poured in standardized metal moulds. Parameters of the heat treatment, temperature and duration of heating were established on base of the literature and the ATD diagram performed for the investigated alloy. Investigated EN AC-AlSi6Cu4 alloy after homogenizing treatment becomes plastic, its elongation A5 and its impact strength KC increase nearly three times, with slight decrease of the tensile strength Rm. Dispersion hardening in connection with the homogenizing treatment results in increase of the tensile strength Rm with 68%, hardness and impact strength with 40% with elongation at level of the alloy without heat treatment. Making suitable selection of various types of the heat treatment it is possible, depending on needs, to control mechanical properties of the alloy.
Źródło:
Archives of Foundry Engineering; 2015, 15, 2 spec.; 35-38
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heat treatment of AlZn10Si7MgCu alloy and its effect on change of mechanical properties
Autorzy:
Pezda, J.
Powiązania:
https://bibliotekanauki.pl/articles/382847.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
obróbka cieplna
stop aluminium
metoda ATD
starzenie naturalne
właściwości mechaniczne
heat treatment
aluminum alloy
ATD method
natural ageing
mechanical properties
Opis:
The most important parameters which predetermine mechanical properties of a material in aspects of suitability for castings to machinery components are: tensile strength (Rm), elongation (A5, hardness (HB) and impact strength (KCV). Heat treatment of aluminum alloys is performed to increase mechanical properties of the alloys mainly. The paper comprises a testing work concerning effect of heat treatment process consisting of solution heat treatment and natural ageing on mechanical properties and structure of AlZn10Si7MgCu alloy moulded in metal moulds. Investigated alloy was melted in an electric resistance furnace. Run of crystallization was presented with use of thermal-derivative method (ATD). This method was also implemented to determination of heat treatment temperature ranges of the alloy. Performed investigations have enabled determination of heat treatment parameters' range, which conditions suitable mechanical properties of the investigated alloy. Further investigations will be connected with determination of optimal parameters of T6 heat treatment of the investigated alloy and their effect on change of structure and mechanical/technological properties of the investigated alloy.
Źródło:
Archives of Foundry Engineering; 2012, 12, 2; 135-138
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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