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Wyświetlanie 1-2 z 2
Tytuł:
Influence of Modification in Centrifugal Casting on Microstructure and Mechanical Properties of Silicon Bronzes
Autorzy:
Garbacz-Klempka, A.
Kozana, J.
Piękoś, M.
Papaj, P.
Perek-Nowak, M.
Powiązania:
https://bibliotekanauki.pl/articles/379593.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
innovative foundry technologies
innovative foundry materials
CuSi alloys
centrifugal casting
microstructure
mechanical properties
innowacyjne technologie odlewnicze
innowacyjne materiały odlewnicze
stop Cu-Si
odlewanie odśrodkowe
mikrostruktura
właściwości mechaniczne
Opis:
Silicon bronzes are characterised by good mechanical properties and by high corrosion and mechanical wear resistance. The process of sleeve casting by means of the centrifugal casting with the horizontal axis of the mould rotation was analysed. The assessment of the influence of modification and centrifugal casting parameters on the microstructure and mechanical properties of alloys was carried out in the hereby work. Zirconium was applied as a modifier. Speed of rotation of the mould was the variable parameter of the centrifugal casting. The investigation results were summarised on the basis of the microstructure analysis and mechanical properties determination: UTS, proof stress, A10 and BHN. The experiment aimed at finding the information in which way the modification together with changing the pouring parameters influence the mechanical properties of the CuSi3Zn3FeMn alloy.
Źródło:
Archives of Foundry Engineering; 2018, 18, 3; 11-18
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of a Castings Quality and Metalworking Technology. Treasure of the Bronze Age Axes
Autorzy:
Garbacz-Klempka, A.
Kaczmarek, Ł.
Kwak, Z.
Kozana, J.
Piękoś, M.
Perek-Nowak, M.
Długosz, P.
Powiązania:
https://bibliotekanauki.pl/articles/382751.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
non-destructive testing
archeometallurgy
tin bronze
X-ray spectroscopy
castings defects
badania nieniszczące
archeometalurgia
brąz
spektroskopia rentgenowska
wady odlewów
Opis:
Cast axes are one of the most numerous categories of bronze products from earlier phases of the Bronze Age found in Poland. They had multiple applications since they were not only used objects such as tools or weapons but also played the prestigious and cult roles. Investigations of the selected axes from the bronze products treasure of the Bronze Age, found in the territory of Poland, are presented in the hereby paper. The holder of these findings is the State Archaeological Museum in Warsaw. Metallurgical investigations of axes with bushing were performed in respect of the casting technology and quality of obtained castings. Macroscopic observations allowed to document the remains of the gating system and to assess the range and kind of casting defects. Light microscopy revealed the microstructure character of these relicts. The chemical composition was determined by means of the X-ray fluorescence method with energy dispersion (ED-XRF) and by the scanning electron microscopy with X-ray energy dispersion analysis in micro-areas (SEM-EDS). The shape and dimensions of cores, reproducing inner parts of axes were identified on the basis of the X-ray tomography images. Studies reconstructed production technology of the mould with gating system, determined chemical composition of the applied alloys and casting structures as well as revealed the casting defects being the result of construction and usage of moulds and cores.
Źródło:
Archives of Foundry Engineering; 2018, 18, 3; 179-285
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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