STEM analysis of grain boundaries in cemented carbides
Conference
·
· J. Am. Ceram. Soc.; (United States)
OSTI ID:5315214
There is controversy over whether the cobalt binder of liquid phase sintered WC forms a continuous skin over the WC particles or whether the carbide grains form a continuous skeleton. It is shown that the atomic Co/W ratio in the 20-A grain boundaries is >3 times larger than that in the grains, supporting the former model.
- Research Organization:
- Univ. of Illinois, Urbana
- OSTI ID:
- 5315214
- Conference Information:
- Journal Name: J. Am. Ceram. Soc.; (United States) Journal Volume: 63:3-4
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
BINDERS
CARBIDES
CARBON COMPOUNDS
COBALT
CRYSTAL STRUCTURE
ELEMENTS
FABRICATION
GRAIN BOUNDARIES
MECHANICAL PROPERTIES
METALS
MICROSTRUCTURE
SINTERING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TUNGSTEN CARBIDES
TUNGSTEN COMPOUNDS
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
BINDERS
CARBIDES
CARBON COMPOUNDS
COBALT
CRYSTAL STRUCTURE
ELEMENTS
FABRICATION
GRAIN BOUNDARIES
MECHANICAL PROPERTIES
METALS
MICROSTRUCTURE
SINTERING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TUNGSTEN CARBIDES
TUNGSTEN COMPOUNDS