Microstructure and Characterization of Compacted Graphite Iron
According to the ISO 16112 standard for compacted graphite cast irons (CGIs), the graphite particles in CGIs shall be predominantly in the vermicular form when viewed on a two dimensional plane of polish. This article begins with a schematic illustration of compacted graphite microstructures with nodularity. It describes the tensile properties, hardness and compressive properties, and impact properties of CGI. The article concludes with a discussion on the fatigue strength and thermal conductivity of CGI.
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