Wear of some advanced ceramics under a sharp indenter in unidirectional sliding

Journal Article · Wed Sep 01 00:00:00 EDT 1993 · Journal of the American Ceramic Society; (United States)

DOI:https://doi.org/10.1111/j.1151-2916.1993.tb07781.x· OSTI ID:5907738

Mukerji, J; Das, P K ^[1]

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1. Central Glass and Ceramic Research Inst., Jadapur (India)

The wear of reaction-bonded SiC (RSSiC), dense silicon nitride (DSN), tetragonal zirconia ZrO[sub 2](t), and alumina-titanium nitride (Al[sub 2]O[sub 3]-TiN) composites have been studied under a sliding diamond indentor having an included angle of 90[degree] and a tip radius of 6[mu]m at a sliding speed of 8mm/s. The relative wear resistance as measured from the track diameter was in the order DSN > Al[sub 2]O[sub 3]-TiN > RSSiC > ZrO[sub 2](t). The track width showed a straight-line relationship with the square root of load, implying that lateral cracking was responsible for the wear. The wear rates decreased with load and varied from 1 [times] 10[sup [minus]5] to 2 [times] 10[sup [minus]5] mm/(m[center dot]g) for the above ceramics. The wear rate increased sharply as the velocity increased over 1 m/min at a load of 300 g and above due to frictional heat generated because of the work of sliding.

• OSTI ID: 5907738
• Journal Information: Journal of the American Ceramic Society; (United States), Vol. 76:9; ISSN 0002-7820
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM OXIDES
WEAR
SILICON CARBIDES
SILICON NITRIDES
TITANIUM NITRIDES
ZIRCONIUM OXIDES
FRICTION
WEAR RESISTANCE
ALUMINIUM COMPOUNDS
CARBIDES
CARBON COMPOUNDS
CHALCOGENIDES
MECHANICAL PROPERTIES
NITRIDES
NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PNICTIDES
SILICON COMPOUNDS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
360203* - Ceramics
Cermets
& Refractories- Mechanical Properties