NODULA GRAPHITE CAST IRON AND MANUFACTURING METHOD OF VANE USING THE SAME

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PURPOSE : Spheroidal graphite cast iron and a manufacturing method of a vane of a rotary compressor using the same are provided to improve wear resistance and shock resistance by applying high hardness carbide which is distributed in a bainite matrix structure where the volume ratio of the carbide to spheroidal graphite is 15-35%.CONSTITUTION : Spheroidal graphite cast iron is composed of, in wt% : C : 3.4-3.9; Si : 2.0-3.0; Mn : 0.3-1.0; Cr : 0.1-1.0; Ti : 0.04-0.15; PCOPYRIGHT KIPO 2013