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    Wyświetlanie 1-4 z 4
    Tytuł:
    Casting Technology Experiment and Computer Modeling of Ornaments from Bronze Age
    Autorzy:
    Garbacz-Klempka, A.
    Suchy, J. S.
    Kwak, Z.
    Długosz, P.
    Stolarczyk, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/353122.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    archeometallurgy
    copper alloys
    investment casting technology
    lost-wax casting
    modeling
    Opis:
    The casting workshop was discovered with numerous artifacts, confirming the existence of the manufacturing process of metal ornaments using ceramic molds and investment casting technology in Lower Silesia (Poland) in 7-6 BC. The research has yielded significant technological information about the bronze casting field, especially the alloys that were used and the artifacts that were made from them. Based on the analyses, the model alloys were experimentally reconstructed. Taking advantage of the computer-modeling method, a geometric visualization of the bronze bracelets was performed; subsequently, we simulated pouring liquid metal in the ceramic molds and observed the alloy solidification. These steps made it possible to better understand the casting processes from the perspective of the mold technology as well as the melting and casting of alloys.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 3; 1329-1337
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of Investment Casting Technology from Bronze Age. Casting Workshop in Grzybiany (Southwest Poland)
    Autorzy:
    Garbacz-Klempka, A.
    Suchy, J. S.
    Kwak, Z.
    Tokarski, T.
    Klempka, R.
    Stolarczyk, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/352158.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    archeometallurgy
    copper alloys
    investment casting technology
    lost wax casting
    x-ray spectroscopy
    Opis:
    Investment casting technology that utilizes lost-wax casting is one of the most-important achievements of ancient society. In Lower Silesia, Poland (Grzybiany, Legnica county), a 7-6 BC casting workshop was discovered with numerous artifacts, confirming the existence of the manufacturing process of metal ornaments using ceramic molds. The paper presents the research of molds and casts from the Bronze and Early Iron Ages. Microscopic analyses of the casting molds were performed, along with radiographic and chemical composition tests of the artifacts (the latter employing the use of the X-ray fluorescence spectroscopy method). The clustering method was used for alloy classification. The microstructure was analyzed by means of Scanning Electron Microscopy with Energy Dispersive Spectroscopy. Conclusions from the research were utilized in further experiments.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 2; 615-624
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reconstruction of the Late Bronze Age Foundry Process in Greater Poland: Analyzes and Simulations. Case Study of Hoard from Przybysław
    Autorzy:
    Garbacz-Klempka, Aldona
    Piękoś, Marcin
    Perek-Nowak, Małgorzata
    Kozana, Janusz
    Żak, Paweł
    Fijołek, Andrzej
    Silska, Patrycja
    Stróżyk, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2134106.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    archaeometallurgy
    copper alloys
    casting
    CALPHAD
    computer modeling
    Late Bronze Age
    Opis:
    One of the most interesting categories of artifacts for archaeometallurgical research includes deposits of bronze items, so-called “metallurgists hoards”. They contain, aside of final products, many fragments of raw material and, moreover, metallurgical tools. An important source for the studies on the history of metallurgical technology is hoard from Przybysław, Greater Poland district. Thus, the aim of the work is the identification and interpretation of bronze-working practices and strategies adopted by prehistoric communities of the Late Bronze Age and the Early Iron Age (ca. 600 BC). The examined objects are characterized in terms of their design, structure, and chemical composition. The methods chosen for the studies of artifacts include: metallographic macro- and microscopic observations using optical microscopy (OM) and scanning electron microscopy (SEM), the analysis of chemical composition with the methods of energy dispersive X-ray spectroscopy (EDS), and X-ray fluorescence (ED-XRF). The thermodynamic analysis of the alloys was performed on the basis of the CALPHAD method. The experimental melts allowed to verify the theoretical considerations and to determine the characteristic temperatures of changes. The old casting technology can be analyzed basing on computer modeling and computer simulation methods. Simulations in the MAGMASOFT® software are a good example to illustrate how to fill a mould cavity with a molten bronze for a hoop ornament. It is also an appropriate tool to determine temperature distribution in a mould. The simulations also show the possible disadvantages with this old technology.
    Źródło:
    Archives of Metallurgy and Materials; 2022, 67, 3; 1125--1136
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Analysis of Foundry Engineering of Copper Alloys Based on the Research of a Metallurgist Settlement in Szczepidło
    Autorzy:
    Garbacz-Klempka, A.
    Makarowicz, P.
    Tokarski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/382112.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    non-destructive testing
    archaeometallurgy
    bronze age workshop
    investment casting
    copper alloys
    X-ray fluorescence spectroscopy
    badania nieniszczące
    archeometria
    epoka brązu
    odlewy
    stopy miedzi
    spektroskopia rentgenowska
    Opis:
    The article presents chosen aspects of foundry engineering of the settlement dwellers, including the archaeometric characteristics and metal science analysis of the artefacts, as well as an attempted reconstruction of the production organization. Discovered in Szczepidło (Greater Poland), the foundry workshop is unique in Central European Bronze Age. This workshop foundry operated roughly XIV-XII Century BC. Its production is evidenced by the presence of markers of the whole production cycle: semi-finished and finished products, production waste, fragments of crucibles and casting ladles with traces of usage, and tools. On this basis the alloys and foundry technologies used have been described. The analysis of foundry technology of copper alloys in the settlement area was carried out by observing the surface and structure of the products, semi-finished artefacts and fragments of crucibles by applying optical microscopy (OM), confocal microscopy (CLSM) and X-ray radiography (RT). The investigations of compositions were made by means of the energy dispersive X-ray fluorescence spectroscopy (ED-XRF) and scanning electron microscopy (SEM) coupled with an energy dispersive X-ray analysis system (EDS).
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 1; 45-50
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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