Corrosion influence on surface appearance and microstructure of compo cast ZA27/SiCp composites in sodium chloride solution

作者: Biljana BOBIĆ , Jelena BAJAT , Ilija BOBIĆ , Bore JEGDIĆ

DOI: 10.1016/S1003-6326(16)64257-7

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摘要: Abstract The influence of corrosion on the surface appearance and microstructure particulate ZA27/SiCp composites was examined after 30 d immersion in a sodium chloride solution with access atmospheric oxygen. different contents SiC micro-particles were synthesized via compo casting. Microstructural studies by means optical microscopy (OM) scanning electron (SEM) showed that occurred composite matrices, preferentially regions η phase, rich zinc. processes did not affect silicon carbide particles incorporated matrix alloy. According to results electrochemical polarization measurements, an increase content matrice has led lower resistance composites.

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