Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for manufacturing part made of SiC/SiC composite material
The invention relates to a method for manufacturing a part made of SiC/SiC composite material, comprising:-producing a fibrous preform from silicon carbide fibres; depositing an intermediate phase on the fibres of the fibre preform; performing a first densification step comprising forming a first matrix phase by chemical vapor infiltration with a first SiC precursor comprising methyl trichlorosilane (MTS); -performing a second densification step comprising forming a second matrix phase by chemical vapor infiltration with a second SiC precursor different from the first precursor, the second precursor forming a SiC deposit comprising residual hydrogen and free silicon; -carrying out a third densification step comprising impregnating the fibrous preform with an impregnating composition containing at least silicon to obtain a part made of the SiC/SiC composite material.
本发明涉及用于制造由SiC/SiC复合材料制成的部件的方法，该方法包括：‑由碳化硅纤维生产纤维预成型件；‑在纤维预成型件的纤维上沉积中间相；‑进行第一致密化步骤，包括通过化学气相渗透用包含甲基三氯硅烷(MTS)的第一SiC前体形成第一基体相；‑进行第二致密化步骤，包括通过化学气相渗透用不同于所述第一前体的第二SiC前体形成第二基体相，第二前体形成包含残余氢和游离硅的SiC沉积物；‑进行第三致密化步骤，包括用至少含有硅的浸渍组合物浸渍纤维预成型件以获得由SiC/SiC复合材料制成的部件。
Method for manufacturing part made of SiC/SiC composite material
The invention relates to a method for manufacturing a part made of SiC/SiC composite material, comprising:-producing a fibrous preform from silicon carbide fibres; depositing an intermediate phase on the fibres of the fibre preform; performing a first densification step comprising forming a first matrix phase by chemical vapor infiltration with a first SiC precursor comprising methyl trichlorosilane (MTS); -performing a second densification step comprising forming a second matrix phase by chemical vapor infiltration with a second SiC precursor different from the first precursor, the second precursor forming a SiC deposit comprising residual hydrogen and free silicon; -carrying out a third densification step comprising impregnating the fibrous preform with an impregnating composition containing at least silicon to obtain a part made of the SiC/SiC composite material.
本发明涉及用于制造由SiC/SiC复合材料制成的部件的方法，该方法包括：‑由碳化硅纤维生产纤维预成型件；‑在纤维预成型件的纤维上沉积中间相；‑进行第一致密化步骤，包括通过化学气相渗透用包含甲基三氯硅烷(MTS)的第一SiC前体形成第一基体相；‑进行第二致密化步骤，包括通过化学气相渗透用不同于所述第一前体的第二SiC前体形成第二基体相，第二前体形成包含残余氢和游离硅的SiC沉积物；‑进行第三致密化步骤，包括用至少含有硅的浸渍组合物浸渍纤维预成型件以获得由SiC/SiC复合材料制成的部件。
Method for manufacturing part made of SiC/SiC composite material
制造由SiC/SiC复合材料制成的部件的方法
GOUJARD STEPHANE ROGER ANDRE (Autor:in) / LADOUILLE GUILLAUME JEAN-NICOLAS (Autor:in) / BENJAMIN COSO (Autor:in)
02.08.2024
Patent
Elektronische Ressource
Chinesisch
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