C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/84 (2006.01) C04B 35/571 (2006.01) C04B 35/80 (2006.01) C04B 41/63 (2006.01)
Patent
CA 2088383
A fiber preform is initially consolidated by being impregnated with a thermosetting impregnation composition that contains a ceramic precursor, and by heat treatment at the end of which the precursor has been transformed into ceramic, without passing through a meltable phase. The consolidated preform is then densified. The impregnation composition is constituted by a mixture of a thermosetting monomer and a ceramic precursor polymer, and the monomer is cross-linked during the heat treatment so as to achieve "in situ" cross- linking of the polymer mixture prior to transforming the precursor into ceramic.
Balhadere Aline
Bernard Bruno
Moreau Jacques A.
Mouricou Isabelle
Robin-Brosse Christian
Sim & Mcburney
Societe Europeenne de Propulsion
Societe Nationale D'etude Et de Construction de Moteurs D'aviati
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