C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 37/02 (2006.01)
Patent
CA 2632712
The invention relates to a brazed joint between a titanium-based metal part and a ceramic part based on silicon carbide (SiC) and/or carbon. The inventive joint comprises a stacked structure consisting of the following elements which are assembled in pairs by means of brazing, namely: the titanium-based metal part (10), a first spacer (11) which can deform in order to accommodate an expansion differential between the metal part (10) and a ceramic part (20) based on silicon carbide and/or carbon, a second rigid spacer (12) which has a similar expansion coefficient to that of the ceramic part (20) and which is made from aluminium nitride (AIN) or tungsten (W), and the ceramic part (20).
Assemblage par brasage entre une pièce métallique à base de titane et une pièce en matériau céramique à base de carbure de silicium (SiC) et/ou de carbone. Cet assemblage comporte une structure empilée comportant les éléments suivants assemblés deux à deux par brasage: la pièce métallique (10) à base de titane, un premier intercalaire (11) apte à se déformer pour accommoder un différentiel de dilatation entre la pièce métallique (10) et une pièce en matériau céramique (20) à base de carbure de silicium et/ou de carbone, un deuxième intercalaire (12) rigide, de coefficient de dilatation proche de celui de ladite pièce en matériau céramique (20) en nitrure d'aluminium (AIN) ou en tungstène (W) , et la pièce en matériau céramique (20).
Benoit Joel Michel
Domergue Lucas
Fromentin Jean-Francois
Gillia Olivier
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