Search Results - "GUETTE, A"

Boron-bearing species in ceramic matrix composites for long-term aerospace applications by Naslain, R, Guette, A, Rebillat, F, Pailler, R, Langlais, F, Bourrat, X

“…Boron-bearing refractory species are introduced in non-oxide ceramic matrix fibrous composites (such as SiC/SiC composites) to improve their oxidation…”
Get full text

Synthesis of carbon coating and carbon matrix for C/C composites based on a hydrocarbon in its supercritical state by Maillé, L., Le Petitcorps, Y., Guette, A., Vignoles, G., Roger, J.

“…[Display omitted] •An original process to elaborate a matrix based on CH4 in its supercritical state.•The infiltration of a carbon fibrous preform was…”
Get full text

Fiber-reinforced ceramic matrix composites processed by a hybrid technique based on chemical vapor infiltration, slurry impregnation and spark plasma sintering by Magnant, J., Pailler, R., Le Petitcorps, Y., Maillé, L., Guette, A., Marthe, J., Philippe, E.

“…Fabrication of multidirectional continuous carbon and silicon carbide fiber reinforced ceramic matrix composites (CMC) by a new short time hybrid process was…”
Get full text

The concept of a strong interface applied to SiC/SiC composites with a BN interphase by Rebillat, F, Lamon, J, Guette, A

“…Strong interfaces have been shown to allow improvement of the mechanical properties of ceramic matrix composites (CMC). The concept of a strong interface has…”
Get full text

Oxidation mechanisms and kinetics of SiC-matrix composites and their constituents by NASLAIN, R, GUETTE, A, REBILLAT, F, LE GALLET, S, LAMOUROUX, F, FILIPUZZI, L, LOUCHET, C

“…The oxidation kinetics and mechanisms of SiC-matrix composites fabricated by chemical vapor infiltration, and of their constituents (C or SiC-fibers, C or BN…”
Get full text

Manufacturing of ceramic matrix composite using a hybrid process combining TiSi2 active filler infiltration and preceramic impregnation and pyrolysis by Maillé, L., Le Ber, S., Dourges, M.A., Pailler, R., Guette, A., Roger, J.

“…The manufacturing of silicon carbide reinforced ceramic matrix composites by a hybrid process is reported. Fibre preforms were infiltrated with TiSi2 powders…”
Get full text

In-situ processing of carbon coatings on the surface of SiC-based fibers by Delcamp, A., Maillé, L., Rufino, B., Mazerat, S., Pailler, R., Guette, A., Weisbecker, P., Plaisantin, H., Philippe, E., Loison, S.

“…Carbon coatings have been formed on the surface of free carbon containing Tyranno ZMI and Nicalon SiC-based fibers by reaction with chlorine gas (chlorination)…”
Get full text

Al–O–N and Al–O–B–N thin films applied on Si–O–C fibers by Delcamp, A., Maillé, L., Saint Martin, S., Pailler, R., Guette, A.

“…Protective coatings (Al–O–N and Al–O–B–N) on Si–O–C fibers (Tyranno ZMI) were applied in order to enhance oxidation resistance under severe thermo-mechanical…”
Get full text

Microstructural and microtextural investigations of boron nitride deposited from BCl3-NH3-H2 gas mixtures by LE GALLET, S, CHOLLON, G, REBILLAT, F, GUETTE, A, BOURRAT, X, NASLAIN, R, COUZI, M, BRUNEEL, J. L

“…The structural, morphological and textural characteristics of BN coatings processed by CVD from (BCl3, NH3, H2) gas mixtures, at low pressure (P=1.3 kPa) and…”
Get full text

Characterization of nearly stoichiometric SiC ceramic fibres by DONG, S. M, CHOLLON, G, LABRUGERE, C, LAHAYE, M, GUETTE, A, BRUNEEL, J. L, COUZI, M, NASLAIN, R, JIANG, D. L

“…A comparative study of the chemical composition and microstructure of Hi-Nicalon, Hi-Nicalon type S, Tyranno SA, Sylramic and Carborundum fibres has been…”
Get full text

Tribological behaviour of hard coatings deposited by arc-evaporation PVD by Rodrı́guez, R.J, Garcı́a, J.A, Medrano, A, Rico, M, Sánchez, R, Martı́nez, R, Labrugère, C, Lahaye, M, Guette, A

“…Hard coatings deposited by arc-evaporation PVD are adequate solutions for increasing the lifetime of tools and components commonly employed in many different…”
Get full text

A theoretical and experimental approach to the active-to-passive transition in the oxidation of silicon carbide : Experiments at high temperatures and low total pressures by SCHNEIDER, B, GUETTE, A, NASLAIN, R, CATALDI, M, COSTECALDE, A

“…Active-to-passive oxidation transition in chemical vapour deposited β-SiC was investigated in the temperature range 1300≤T≤1700°C under low total pressures…”
Get full text

Elaboration of C/C Composites Based on the Infiltration of a Hydrocarbon Precursor in Supercritical State into the Preform by Maille, L., Guette, A., Pailler, R., Le Petitcorps, Y., Weisbecker, P.

“…This paper reports on the development of a new process for the fabrication of a C/C composite for aeronautic and aerospace industries, in order to reduce the…”
Get full text

LPCVD and characterization of boron-containing pyrocarbon materials by Jacques, S., Guette, A., Bourrat, X., Langlais, F., Guimon, C., Labrugere, C.

“…Pyrocarbon materials containing various amounts of boron have been prepared by LPCVD from BC1 3C 3H 8H 2 precursor mixtures. By increasing the BCl 3 (C 3H 8…”
Get full text

Ex-cellulose carbon fibres with improved mechanical properties by PLAISANTIN, H, PAILLER, R, GUETTE, A, BIROT, M, PILLOT, J.-P, DAUDE, G, OLRY, P

“…Ex-rayon carbon yarns have been prepared according to an original route characterized by a fast pyrolysis step in the presence of an organosilicon compound…”
Get full text

Influence of a multilayered matrix on the lifetime of SiC/BN/SiC minicomposites by Le Gallet, S, Rebillat, F, Guette, A, Bourrat, X, Doux, F

“…The mechanical behaviour at room temperature and the lifetime in air at 700°C under static loading of SiC/BN/SiC minicomposites have been investigated. The…”
Get full text

Oxidation resistance of SiC/SiC micro and minicomposites with a highly crystallised BN interphase by Rebillat, F., Guette, A., Espitalier, L., Debieuvre, C., Naslain, R.

“…A three dimensionally ordered hex-BN is deposited by LPCVD from the BF3–NH3 system at relatively low temperature. This coating was studied in term of…”
Get full text

Chemical and mechanical alterations of SiC Nicalon fiber properties during the CVD/CVI process for boron nitride by Rebillat, F, Guette, A, Brosse, C.R

“…To improve the interfacial properties in SiC/SiC composites, BN is an appropriate interphase material to control the fiber/matrix bond. Unfortunately, the…”
Get full text

Study of the tribological modifications induced by nitrogen implantation on Cr, Mo and W by Martı́nez, R., Garcı́a, J.A., Rodrı́guez, R.J., Lerga, B., Labrugère, C., Lahaye, M., Guette, A.

“…This article reports the study of the changes in the surface properties of metals of group VIa after their implantation with atomic nitrogen. Doses of 1E17 N…”
Get full text

Internal protection of C/C composites by boron-based compounds by Labruquère, S, Pailler, R, Guette, A, Naslain, R

“…Boron-based protections were used on carbon fibre preforms in order to protect interfacial zones in C/C composites from oxidation. Wet treatments (H 3BO 3 in…”
Get full text