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Wyszukujesz frazę "cast-bonding" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Effect of Surface Treatments on Cast-Bonding Characteristics of Steel-Aluminum Hybrid Composite Materials
Autorzy:
Kim, Hyo-Jung
Kim, Tae Hyeong
Shin, Je Sik
Park, Seung Yeon
Hyun, Soongkeun
Lim, Kyoung Mook
Powiązania:
https://bibliotekanauki.pl/articles/353007.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cast-bonding
aluminum
steel sheet
composite material
bonding surface
Opis:
In this study, we investigated the bonding mechanism of surface-treated steel with an Al-Si alloy in order to produce steel-aluminum (STL-Al) hybrid composite materials by cast-bonding. The results showed that there are differences in the phase and properties of the hybrid composite materials bonded specimens depending on the surface treatment of the steel sheet used, and that the bonding conditions can be controlled further by detailed conditions of the surface treatment. Based on the interfacial bonding strengths measured here, the galvanized surface treatment induced metallurgical bonding to form a reaction layer on the bonding surface and was determined to be the most effective surface treatment.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 3; 889-892
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wettability of the System of Cast Iron and Magnesia Ceramics with Graphite
Autorzy:
Hosadyna-Kondracka, Małgorzata
Nowak, Rafał
Turalska, Patrycja
Bruzda, Grzegorz
Boroń, Łukasz
Wawrylak, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2174618.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
composites
metal-ceramic bonding
wettability
sessile drop method
cast iron
kompozyty
wiązanie metal-ceramika
zwilżalność
metoda osiadłej kropli
żeliwo
Opis:
In this paper examinations of high-temperature wetting tests of 3 systems of liquid alloy – cast iron in contact with ceramic materials: magnesia ceramics in combination with natural graphite were presented. After wettability testing, the microscopic observations of the morphology of the sample surface and the cross-section microstructure with the chemical composition in micro-areas were examined. One of the objective of this work was also to verify whether the graphite content would affect the wettability of the magnesia ceramics. The study of high-temperature wetting kinetics of the liquid alloy in contact with the ceramic material, by the "sessile drop" method with capillary purification (CP) procedure was conducted. Under the test conditions, at a temperature of 1450°C and time 15 minutes, all 3 experimental systems showed a non-wetting behaviour. The average contact angle for the system with cast iron drop on magnesia ceramics was 140°, on magnesia ceramics with 10 parts per weight of graphite was 137° and on magnesia ceramics with 30 parts per weight of graphite - 139°. Microscopic observations revealed that in the case of the sample consisting of the cast iron drop on the substrate with magnesia ceramics, the formation of fine separations was not observed, unlike the systems with the substrate with magnesia ceramics and the addition of natural graphite. Numerous, fine droplets accumulate on the graphite flakes and consist mainly of Si as well as Fe and O. On the other hand, the rough MgO grains have a gray, matt surface, without fine separations. The conducted observations indicate the mechanical nature of the bonding - liquid metal penetrates into the pores of the rough ceramics of the substrate. However, in the case of systems of cast iron drop with magnesia ceramics and addition of graphite, probably the adhesive connection and the physical attraction of elements derived from cast iron drop with the flake graphite appeared as well.
Źródło:
Archives of Foundry Engineering; 2022, 22, 3; 25--33
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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