Objectif The proposal is concerned with 4 principal lines of research:the synthesis of polymeric, organometallic precursors with a high ceramic yield and the study of their pyrolysis and conversion to ceramic;the direct conversion of the precursors into dense ceramic materials;the use of precursors as an interparticulate bond as well as acting as an injection moulding binder in the fabrication of pressureless sintered silicon nitride;the infiltration of precursors into unidirectional, 2-dimensional and 3-dimensional fibres, preforms to fabricate carbonitride bonded fibre composites.A small pilot plant has been built to produce 5 to 6 kg of ceramic precursor per batch. A fusible solid precursor has been developed for the injection moulding phase. Dense ceramics have been successfully produced from pressed, crosslinked ceramic precursor powders. Work is underway on the fabrication of pressureless sintered silicon nitride using precursors and the injection of fabric preforms by precursors.This proposal is concerned with four principal lines of research: -the synthesis of polymeric, organometallic precursors with a high ceramic yield and the study of their pyrolysis and conversion to ceramic -the direct conversion of the precursors into dense ceramic materials -the use of precursors as an interparticulate bond as well as acting as an injection-moulding binder in the fabrication of pressureless-sintered silicon nitride -the infiltration of precursors into unidirectional, 2D and 3D fibres, preforms to fabricate carbonitride-bonded fibre composites. Champ scientifique engineering and technologymaterials engineeringcompositesnatural scienceschemical sciencesinorganic chemistryorganometallic chemistrynatural scienceschemical sciencesinorganic chemistrymetalloidsengineering and technologymaterials engineeringceramics Programme(s) FP2-BRITE/EURAM 1 - Specific research and technological development programme (EEC) in the fields of industrial manufacturing technologies and advanced materials applications (BRITE/EURAM), 1989-1992 Thème(s) Data not available Appel à propositions Data not available Régime de financement Data not available Coordinateur Fairey Tecramics Ltd Contribution de l’UE Aucune donnée Adresse Filleybrooks Stone ST15 0PU Stafford Royaume-Uni Voir sur la carte Coût total Aucune donnée Participants (3) Trier par ordre alphabétique Trier par contribution de l’UE Tout développer Tout réduire Atochem SA France Contribution de l’UE Aucune donnée Adresse 4 Cours Michelet 92091 Paris la Défense Voir sur la carte Coût total Aucune donnée Brochier SA France Contribution de l’UE Aucune donnée Adresse 33 avenue Franklin Roosevelt 69150 Décines-Charpieu Voir sur la carte Coût total Aucune donnée Max-Planck-Gesellschaft zur Förderung der Wissenschaften eV Allemagne Contribution de l’UE Aucune donnée Adresse Seestraße 92 70174 Stuttgart Voir sur la carte Coût total Aucune donnée
