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Wyświetlanie 1-3 z 3
Tytuł:
Microsegregation of Elements in Steel Composite Reinforced with Ceramic
Autorzy:
Medyński, D.
Janus, A. J.
Powiązania:
https://bibliotekanauki.pl/articles/1837773.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
composite materials
cast reinforced
cast steel
ceramic materials
abrasive wear
materiały kompozytowe
staliwo zbrojone
staliwo
materiały ceramiczne
zużycie ścierne
Opis:
The paper presents results of research on steel castings GX120Mn13 (L120G13 by PN-89/H-83160), zone-reinforced by elektrocorundum particles (Al2O3), with a grain size from 2 to 3.5 mm. Studies revealed continuity at interface between composite components and formation of a diffusion zone in the surface layer of electrocorundum grains. In the area of this zone, simple manganese segregation and reverse iron and chromium segregation were found. The transfer of these elements from cast steel to electrocorundum grains resulted superficial depletion in aluminum and oxygen in this area. No porosity was observed at the interface between two components of the composite. We found it very beneficial from an exploitation point of view, as confirmed by the study of resistance to abrasive wear.
Źródło:
Archives of Foundry Engineering; 2021, 21, 1; 63-66
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microsegregation of Elements in Steel Composite Reinforced with Ceramic
Autorzy:
Medyński, D.
Janus, A. J.
Powiązania:
https://bibliotekanauki.pl/articles/1837854.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
composite materials
cast reinforced
cast steel
ceramic materials
abrasive wear
materiały kompozytowe
staliwo zbrojone
staliwo
materiały ceramiczne
zużycie ścierne
Opis:
The paper presents results of research on steel castings GX120Mn13 (L120G13 by PN-89/H-83160), zone-reinforced by elektrocorundum particles (Al2O3), with a grain size from 2 to 3.5 mm. Studies revealed continuity at interface between composite components and formation of a diffusion zone in the surface layer of electrocorundum grains. In the area of this zone, simple manganese segregation and reverse iron and chromium segregation were found. The transfer of these elements from cast steel to electrocorundum grains resulted superficial depletion in aluminum and oxygen in this area. No porosity was observed at the interface between two components of the composite. We found it very beneficial from an exploitation point of view, as confirmed by the study of resistance to abrasive wear.
Źródło:
Archives of Foundry Engineering; 2021, 21, 1; 63-66
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wear Resistance of TiC Reinforced Cast Steel Matrix Composite
Autorzy:
Sobula, S.
Olejnik, E.
Tokarski, T.
Powiązania:
https://bibliotekanauki.pl/articles/381832.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
kompozyty z osłoną metalową
MMC
kompozyt
staliwo zbrojone TiC
odporność na zużycie
metal matrix composites
MMCs
composite casting
reinforced cast steel
wear resistance
Opis:
Wear resistance of TiC-cast steel metal matrix composite has been investigated. Composites were obtained with SHSB method known as SHS synthesis during casting. It has been shown the differences in wear between composite and base cast steel. The Miller slurry machine test were used to determine wear loss of the specimens. The slurry was composed of SiC and water. The worn surface of specimens after test, were studied by SEM. Experimental observation has shown that surface of composite zone is not homogenous and consist the matrix lakes. Microscopic observations revealed the long grooves with SiC particles indented in the base alloy area, and spalling pits in the composite area. Due to the presence of TiC carbides on composite layer, specimens with TiC reinforced cast steel exhibited higher abrasion resistance. The wear of TiC reinforced cast steel mechanism was initially by wearing of soft matrix and in second stage by polishing and spalling of TiC. Summary weight loss after 16hr test was 0,14÷0,23 g for composite specimens and 0,90 g for base steel.
Źródło:
Archives of Foundry Engineering; 2017, 17, 1; 143-146
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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