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Oxidation resistant fibre coatings on the basis of lanthanum phosphate for CMCs

Devynck, Julien and Frieß, Martin (2011) Oxidation resistant fibre coatings on the basis of lanthanum phosphate for CMCs. Other, ENSIAME Valenciennes, Frankreich.

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This internship report of second year study in engineering school deals with Ceramic Matrix Composite manufactured by polymer infiltration and pyrolysis process (PIP). In order to improve the behavior of CMCs in oxidizing atmosphere a new coating based lanthanum phosphate is investigated and described in detail. Firstly parameters of the coating process are analyzed like the influence of the sizing, the duration of the firing and the temperature of the firing. In the second part more temperatures are investigated as some parameters are fixed thanks to the first study. In the third part the influence of a second coating is tested. In the fourth part the coated fibers are put in conditions of a plate production. All these investigations were made thanks to scanning electron microscopy (SEM), mass measurements and calculation of the coating thickness. Due to conclusions, a new protocol for lanthanum phosphate coating was made and will be used in order to produce CMCs.

Item URL in elib:https://elib.dlr.de/73543/
Document Type:Thesis (Other)
Title:Oxidation resistant fibre coatings on the basis of lanthanum phosphate for CMCs
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:January 2011
Open Access:No
Keywords:CMC, fibre coating, lanthanum phosphate, Foulard, SEM
Institution:ENSIAME Valenciennes, Frankreich
Department:Ecole Nationale Supérieure d'Ingénieurs en Informatique Automatique Mécanique Energétique Electronique
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Friess, Dr.rer.nat. Martin
Deposited On:10 Jan 2012 21:59
Last Modified:10 Jan 2012 21:59

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