Friction and wear studies in N-implanted Al/sub 2/O/sub 3/, SiC, TiB/sub 2/, and B/sub 4/C ceramics
Journal Article
·
· J. Mat. Res.; (United States)
OSTI ID:6743919
Bulk polycrystalline samples of sintered Al/sub 2/O/sub 3/, and hot-pressed Al/sub 2/ O/sub 3/ , SiC, TiB/sub 2/ , and B/sub 4/ C ceramics were ion implanted at 77 K with 190 keV N/sup +/ to a dose of 3 x 10/sup 17/ N/cm/sup 2/. Nitrogen implantation resulted in reduced friction coefficients for SiC, TiB/sub 2/ , and B/sub 4/ C samples and a reduction in wear for TiB/sub 2/. Both Al/sub 2/ O/sub 3/ samples showed a significant increase in friction coefficients after nitrogen implantation. Nitrogen-implantation-induced changes in these properties appear to be correlated with the thermodynamic tendency of the sample to form ''nitridelike'' bonds.
- Research Organization:
- Los Alamos National Laboratory, Materials Science and Technology Division, Los Alamos, New Mexico 87545
- OSTI ID:
- 6743919
- Journal Information:
- J. Mat. Res.; (United States), Journal Name: J. Mat. Res.; (United States) Vol. 3:6; ISSN JMREE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360203* -- Ceramics
Cermets
& Refractories-- Mechanical Properties
360206 -- Ceramics
Cermets
& Refractories-- Radiation Effects
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BORIDES
BORON CARBIDES
BORON COMPOUNDS
CARBIDES
CARBON COMPOUNDS
CERAMICS
CHALCOGENIDES
CRYSTAL-PHASE TRANSFORMATIONS
ION IMPLANTATION
MECHANICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RECRYSTALLIZATION
SILICON CARBIDES
SILICON COMPOUNDS
TITANIUM BORIDES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
WEAR RESISTANCE
360203* -- Ceramics
Cermets
& Refractories-- Mechanical Properties
360206 -- Ceramics
Cermets
& Refractories-- Radiation Effects
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BORIDES
BORON CARBIDES
BORON COMPOUNDS
CARBIDES
CARBON COMPOUNDS
CERAMICS
CHALCOGENIDES
CRYSTAL-PHASE TRANSFORMATIONS
ION IMPLANTATION
MECHANICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RECRYSTALLIZATION
SILICON CARBIDES
SILICON COMPOUNDS
TITANIUM BORIDES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
WEAR RESISTANCE