Method to reduce oxidation in ceramic composites, method for fabricating a ceramic composite article and an article comprising a ceramic composite protective layer

Method to reduce oxidation in ceramic composites, method for fabricating a ceramic composite article and an article comprising a ceramic composite protective layer

A method for reducing oxidation in ceramic composites is provided. The method includes depositing (130) a first portion of a silicon carbide (SiC) matrix over at least a portion of an article using a first chemical vapor infiltration (CVI) process, depositing (140) a silicon (Si)-doped boron nitride...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIRAJ, NIKHIL SHRIRNIVAS, FAREED, ALI SYED
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A method for reducing oxidation in ceramic composites is provided. The method includes depositing (130) a first portion of a silicon carbide (SiC) matrix over at least a portion of an article using a first chemical vapor infiltration (CVI) process, depositing (140) a silicon (Si)-doped boron nitride (BN) layer within at least a portion of the SiC matrix using a second CVI process, and depositing (150) a second portion of the SiC matrix within at least a portion or continuation of the first portion of the SiC matrix using a third CVI process.