GRAPHITE REINFORCEDFe–Al–XCOMPOSITES FOR SLIDE BEARING APPLICATIONS

Se-Hyun Ko (), Wonsik Lee, Jin Man Jang, Il-Ho Kim and Seong-Gun Shin
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Se-Hyun Ko: Production Technology Research Division, Korea Institute of Industrial Technology, 7-47, Songdo-dong, Yeonsu-gu, Incheon, 406-840, Korea
Wonsik Lee: Production Technology Research Division, Korea Institute of Industrial Technology, 7-47, Songdo-dong, Yeonsu-gu, Incheon, 406-840, Korea
Jin Man Jang: Production Technology Research Division, Korea Institute of Industrial Technology, 7-47, Songdo-dong, Yeonsu-gu, Incheon, 406-840, Korea
Il-Ho Kim: Production Technology Research Division, Korea Institute of Industrial Technology, 7-47, Songdo-dong, Yeonsu-gu, Incheon, 406-840, Korea
Seong-Gun Shin: R&D Center, Jeda Industries, Inc., 7-9, Songdo-dong, Yeonsu-gu, Incheon, 406-840, Korea

Surface Review and Letters (SRL), 2010, vol. 17, issue 02, 241-244

Abstract: TheFe–Al–X(Cu, Ni, Ti)composites reinforced with graphite particles were fabricated employing the powder metallurgy process for slide bearing applications. In all samples, graphite particles of 6 wt.% were added. Elemental powders were mixed to specific compositions with a powder lubricant, and then the mixed powders were compacted at 500 MPa. The green compacts were heated to 450°C to remove the lubricant and sintered at 1200°C for 1 h. The sintering was conducted in vacuum. The sintering of binaryFe–Al–graphite system showed low density and growth in dimension. Complex addition ofCu,NiandTiimproved the sinterability of green compacts due to occurrence of partial liquid phases. Hardness of sintered samples strongly depended on dimensional change during sintering. The samples of high hardness showed better wear resistance properties.

Keywords: Slide bearing; graphite; Fe–Al–X; composites (search for similar items in EconPapers)
Date: 2010
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DOI: 10.1142/S0218625X10013990

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