Tribological Behaviour of Cu -5W Sintered Powder Composite

S.C. Vettivel; N. Selvakumar; N. Vijay Ponraj

doi:10.4028/www.scientific.net/AMR.622-623.1300

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 622-623Tribological Behaviour of Cu -5W Sintered Powder...

Tribological Behaviour of Cu -5W Sintered Powder Composite

Abstract:

Copper Composites reinforced with tungsten particles were prepared Powder Metallurgy Process. Cylindrical preforms with initial theoretical density of 85% was prepared using a die and punch assembly with a hydraulic press. The preforms were sintered in an electric muffle furnace at 750°C, 800°C, 850°C, and subsequently furnace cooled and then the specimens are hot extruded to get 92% theoretical density. The tribological behaviour of copper and composites was studied on a pin-on-disc tester. The pins were slid against a hardened steel disc under dry ambient conditions. The wear measurements showed that Cu -5W at 750°C extremely high wear loss. However, addition of 5% W particles appeared to improve the adhesive wear resistance of copper significantly under the applied loads of 5–15 N.

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Periodical:

Advanced Materials Research (Volumes 622-623)

Pages:

1300-1304

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.622-623.1300

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Online since:

December 2012

Authors:

S.C. Vettivel, N. Selvakumar, N. Vijay Ponraj

Keywords:

Adhesive Wear, Copper, Hardness, Metal Matrix Composite (MMC), Tungsten

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