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1 International Journal of Applied Mechanics and Engineering

1 2002

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Wear behavior of metallic and ceramic materials under electric sliding contact

Matsuyama S., Akakabe T., Ohba H.

International Journal of Applied Mechanics and Engineering

2002

Vol. 7, Spec. is

389-395

To obtain lighter materials for current collectors, simple screening tests have been executed using various materials in comparison with actual sliders. As a result, titanium carbide composite with flaky graphite and aluminum alloy matrix composite reinforced with Al2O3 fibers were selected as candidates. Both materials exhibit good wear resistance under conditions without current. However, when current is supplied, the wear loss tends to increases due to transference of copper from trolley for the former and due to forming of fused alloying layer with copper, especially in rainy condition, for the latter.