Characterization of an SCS6/Ti--6Al--4V MMC interphase
Journal Article
·
· J. Mat. Res.; (United States)
Using TEM, Auger spectroscopy, EDX, and convergent beam electron diffraction, a thorough characterization of the interphase region between SCS6 fibers and Ti--6Al--4V matrix in a metal matrix composite has been performed. The interphase region is shown to be very complex, consisting of numerous layers of varying compositions and thicknesses. The chemical interaction of the fiber and matrix results in a 0.5--1.5 ..mu..m thick TiC layer. Evidence for the existence of a Ti/sub x/Si/sub y/(C) layer is also presented. The SCS6 overlayer on the fibers has inhibited any chemical interaction between the matrix and the SiC filament itself, 60% of the interphase region originating from the SCS6 protective coating. In situ fracture experiments (in an Auger spectrometer) reveal that fracture takes place between the TiC and an amorphous carbon layer.
- Research Organization:
- National Center for Composite Materials Research, College of Engineering, University of Illinois, Urbana, Illinois 61801
- OSTI ID:
- 6292178
- Journal Information:
- J. Mat. Res.; (United States), Journal Name: J. Mat. Res.; (United States) Vol. 4:2; ISSN JMREE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
ALLOYS
ALUMINIUM ALLOYS
AUGER ELECTRON SPECTROSCOPY
CARBIDES
CARBON COMPOUNDS
CHEMICAL BONDS
CHEMICAL COMPOSITION
COHERENT SCATTERING
COMPOSITE MATERIALS
DIFFRACTION
DIMENSIONS
ELECTRON DIFFRACTION
ELECTRON MICROSCOPY
ELECTRON SPECTROSCOPY
FIBERS
LAYERS
MATERIALS
MATRIX ISOLATION
MICROSCOPY
PHASE STUDIES
REINFORCED MATERIALS
SCATTERING
SILICIDES
SILICON CARBIDES
SILICON COMPOUNDS
SPECTROSCOPY
THICKNESS
TITANIUM ALLOYS
TITANIUM CARBIDES
TITANIUM COMPOUNDS
TITANIUM SILICIDES
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
VANADIUM ALLOYS
X-RAY DIFFRACTION
360602* -- Other Materials-- Structure & Phase Studies
ALLOYS
ALUMINIUM ALLOYS
AUGER ELECTRON SPECTROSCOPY
CARBIDES
CARBON COMPOUNDS
CHEMICAL BONDS
CHEMICAL COMPOSITION
COHERENT SCATTERING
COMPOSITE MATERIALS
DIFFRACTION
DIMENSIONS
ELECTRON DIFFRACTION
ELECTRON MICROSCOPY
ELECTRON SPECTROSCOPY
FIBERS
LAYERS
MATERIALS
MATRIX ISOLATION
MICROSCOPY
PHASE STUDIES
REINFORCED MATERIALS
SCATTERING
SILICIDES
SILICON CARBIDES
SILICON COMPOUNDS
SPECTROSCOPY
THICKNESS
TITANIUM ALLOYS
TITANIUM CARBIDES
TITANIUM COMPOUNDS
TITANIUM SILICIDES
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
VANADIUM ALLOYS
X-RAY DIFFRACTION