发明公开
EP1888813A2 PROCEDE DE DENSIFICATION RAPIDE D'UN SUBSTRAT POREUX PAR FORMATION D'UN DEPOT SOLIDE AU SEIN DE LA POROSITE DU SUBSTRAT
有权
METHOD FOR具有永久提交内的基板的孔隙率的形成快速压缩的多孔纤维基材
- 专利标题： PROCEDE DE DENSIFICATION RAPIDE D'UN SUBSTRAT POREUX PAR FORMATION D'UN DEPOT SOLIDE AU SEIN DE LA POROSITE DU SUBSTRAT
- 专利标题（英）： Method for the rapid densification of a porous substrate, comprising the formation of a solid deposit within the porosity of the substrate
- 专利标题（中）： METHOD FOR具有永久提交内的基板的孔隙率的形成快速压缩的多孔纤维基材
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申请号： EP06794422.3申请日： 2006-05-12
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公开(公告)号： EP1888813A2公开(公告)日： 2008-02-20
- 发明人: GUETTE, Alain , PAILLER, René , EBERLIN-FLUX, Nicolas , CHRISTIN, François
- 申请人： Snecma Propulsion Solide, Société Anonyme
- 申请人地址： Le Haillan, Les Cinq Chemins 33187 Le Haillan Cedex FR
- 专利权人： Snecma Propulsion Solide, Société Anonyme
- 当前专利权人： Snecma Propulsion Solide, Société Anonyme
- 当前专利权人地址： Le Haillan, Les Cinq Chemins 33187 Le Haillan Cedex FR
- 代理机构： Joly, Jean-Jacques
- 优先权： FR0504813 20050513
- 国际公布： WO2007003813 20070111
- 主分类号： C23C18/16
- IPC分类号： C23C18/16
摘要：
The invention relates to a method for the densification of a porous fibrous refractory substrate, comprising the formation of a solid matrix deposit. The inventive method is performed using a fluid composition containing a reactive fluid that is a precursor of the material of the solid deposit to be formed and an optional dilution fluid. The method is carried out at a temperature and pressure that enable the reactive fluid and/or the optional dilution fluid to be maintained in the supercritical state, while simultaneously and directly forming the solid matrix deposit. In this way, the length of the process can be reduced considerably in relation to standard CVI methods.
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