F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 69/02 (2006.01) C04B 35/83 (2006.01) C23C 16/44 (2006.01) C23C 16/458 (2006.01)
Patent
CA 2518023
A one-piece or otherwise unitary annular shim member made from a carbon material is used to maintain a space between stacked annular preforms during a manufacturing process, such as densification. The one-piece structure advantageously simplifies the arrangement of the preforms in a process chamber and causes less deformation in the preforms. The carbon composition also provides beneficial thermal effects that improve the densification process. A debonding coating is provided on the annular shim member in order to facilitate separation of the annular preforms from the shim members.
L'invention concerne un élément de compensation annulaire monobloc ou formant une unité, constitué d'un matériau de type carbone et utilisé pour maintenir un espace entre des préformes annulaires empilées, lors d'un processus de production tel que la densification. La structure monobloc permet de simplifier de manière avantageuse l'agencement des préformes dans une chambre de traitement et entraîne moins de déformations au niveau des préformes. En outre, la composition du carbone utilisé confère à l'élément de compensation des propriétés thermiques bénéfiques qui améliorent le processus de densification. Un revêtement de décohésion est appliqué sur l'élément de compensation annulaire pour faciliter sa séparation des préformes annulaires.
Messier-Bugatti
Sim & Mcburney
LandOfFree
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