High-temperature Sliding Wear Properties of GraphiteFe3Al Composites

• Published in: Journal of ceramic processing research pp. 599 - 603
• Main Authors: 김용인, 안계석, Jin Man Jan, 이원식, 박봉근, 박형빈, 김유진, 이정주, 고세현, 최성철
• Format: Journal Article
• Language: English
• Published: 청정에너지연구소 01.08.2017
• Subjects: 재료공학
• ISSN: 1229-9162; 2672-152X
• DOI: 10.36410/jcpr.2017.18.8.599

Sliding wear properties of graphite-Fe3Al composites were investigated for their applications in the manufacture of sinteredbearings capable of withstanding high temperatures and loads. The sliding wear properties of the composites were measuredat a high temperature according to the change of graphite content, which added as a solid lubricant. With increase in thegraphite content, the sliding wear properties improved; however, when the graphite content exceeded 12 wt%, the sliding wearproperties were deteriorated. Analysis by scanning electron microscopy and X-ray diffraction confirmed that graphite andFe3Al formed a Fe3AlC0.5 phase by partial reaction with the matrix. The reaction dominated with increase of the graphitecontent. In addition, the Fe3AlC0.5 phase was also formed during wear test and was act as debris, causing deterioration of thesliding wear properties. KCI Citation Count: 0