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In-situ tensile tests under SEM and X-ray computed micro-tomography aimed at studying a self-healing matrix composite submitted to different thermomechanical cycles
- Source :
- Journal of the European Ceramic Society, Journal of the European Ceramic Society, Elsevier, 2017, 37 (10), pp.3471-3474. ⟨10.1016/j.jeurceramsoc.2017.03.067⟩, Journal of the European Ceramic Society, 2017, 37 (10), pp.3471-3474. ⟨10.1016/j.jeurceramsoc.2017.03.067⟩
- Publication Year :
- 2017
- Publisher :
- Elsevier BV, 2017.
-
Abstract
- Ceramic matrix composite (CMC) based on SiC fibres and matrix is gradually introduced in aeronautical application, mostly in hottest parts of engines. Three dimensional (3D) structured materials are good candidates for complex parts such as turbine blades. Material is submitted to mechanical stresses at high temperatures in oxidizing and corrosive environments for long durations. During thermomechanical cycles, damage, oxidation and healing-phenomenon occur and develop in the material. X-ray computed micro-tomography (μCT) and tensile test under scanning electron microscopy (SEM) are experimental means to study these phenomenons. These techniques are implemented for the understanding of the behaviour of the oxide (solid or liquid) in the crack of the material. The influence of the oxide in the crack was analyzed during tensile test under SEM or μCT. The observation allows to determine the influence of the oxide on the reclosure of the crack during the unloading.
- Subjects :
- Materials science
Turbine blade
Scanning electron microscope
ceramic
Composite number
Oxide
02 engineering and technology
Sciences de l'ingénieur
Ceramic matrix composite
7. Clean energy
01 natural sciences
law.invention
chemistry.chemical_compound
law
[SPI.MECA.MEMA]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of materials [physics.class-ph]
0103 physical sciences
Ultimate tensile strength
Materials Chemistry
Composite material
Tensile testing
010302 applied physics
021001 nanoscience & nanotechnology
matrix
chemistry
Self-healing
Ceramics and Composites
0210 nano-technology
3D
Subjects
Details
- ISSN :
- 09552219
- Volume :
- 37
- Database :
- OpenAIRE
- Journal :
- Journal of the European Ceramic Society
- Accession number :
- edsair.doi.dedup.....7ee29bcc4423b42d41841b032e970eb3