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    Wyświetlanie 1-4 z 4
    Tytuł:
    Abrasive wear of AlSi12-Al2O3 Composite materials manufac tired by pressure infiltration
    Autorzy:
    Kremzer, M.
    Dziekońska, M.
    Sroka, M.
    Tomiczek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/354917.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    abrasive wear
    composite materials
    pressure infiltration
    Opis:
    The aim of this study is to investigate tribological properties of EN AC-AlSi12 alloy composite materials matrix manufactured by pressure infiltration of Al2O3 porous preforms. In the paper, a technique of manufacturing composite materials was described in detail as well as wear resistance made on pin on disc was tested. Metallographic observations of wear traces of tested materials using stereoscopic and confocal microscopy were made. Studies allow concluding that obtained composite materials have much better wear resistance than the matrix alloy AlSil2. It was further proved that the developed technology of their preparation consisting of pressure infiltration of porous ceramic preforms can find a practical application.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 3; 1255-1260
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    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/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:
    The Influence of Graphite Addition on the Abrasive Wear of AlMg10 Alloy Matrix Composites Reinforced with SiC Particles
    Autorzy:
    Łągiewka, M.
    Konopka, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/382261.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    composites
    abrasive wear
    hard SiC particles
    hardness of composite materials
    kompozyty
    zużycie ścierne
    twarde cząstki SiC
    twardość materiałów kompozytowych
    Opis:
    The presented work deals with the influence of the addition of soft graphite particles on the abrasive wear of composite reinforced with hard SiC particles. The discussed hybrid composites were produced by stirring the liquid alloy and simultaneous adding the mixture of particles. The adequately prepared suspension was gravity cast into a metal die. Both the composite castings obtained in this way and the comparative castings produced of the pure matrix alloy were examined for the abrasive wear behaviour. Photomacrographs of the sliding surfaces of the examined composites were taken, and also the hardness measurements were carried out. It was found that even a small addition of Cgr particles influences positively the tribological properties of the examined composite materials, protecting the abraded surface from the destructive action of silicon carbide particles. The work presents also the results of hardness measurements which confirm that the composite material hardness increases with an increase in the volume fraction of hard reinforcing particles.
    Źródło:
    Archives of Foundry Engineering; 2014, 14, 3; 51-54
    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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