Structure and properties of single crystal Al/sub 2/O/sub 3/ implanted with chromium and zirconium
Conference
·
OSTI ID:5677705
Single crystals of Al/sub 2/O/sub 3/ were implanted with chromium and zirconium to fluences of 1 x 10/sup 16/ to 1 x 10/sup 17/ ions cm/sup -2/. Rutherford backscattering-channeling studies showed the surface layers to be damaged but crystalline with the implanted ions randomly distributed. The microhardness and indentation fracture toughness were higher for the random solutions than for conventionally formed solid solutions. Changes in structure and properties caused by annealing in air at temperatures up to 1800/sup 0/C were studied.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 5677705
- Report Number(s):
- CONF-811122-36; ON: DE82004117
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360203* -- Ceramics
Cermets
& Refractories-- Mechanical Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
CHARGED PARTICLES
CHROMIUM IONS
CRYSTAL STRUCTURE
DOPED MATERIALS
FRACTURE PROPERTIES
ION IMPLANTATION
IONS
MATERIALS
MECHANICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
ZIRCONIUM IONS
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360203* -- Ceramics
Cermets
& Refractories-- Mechanical Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
CHARGED PARTICLES
CHROMIUM IONS
CRYSTAL STRUCTURE
DOPED MATERIALS
FRACTURE PROPERTIES
ION IMPLANTATION
IONS
MATERIALS
MECHANICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
ZIRCONIUM IONS