| 摘要 |
The invention includes a method for densifying one or more porous preforms, including the edges and surfaces of one or more preforms, when using a liquid precursor. The method includes covering at lea st a portion of the porous preform (300) with an insulating material (302) to insulate at least a part of the preform. The preform is submerged in a precursor liquid which is heat-decomposable. The preform is heated in the precursor liquid at a temperature sufficient to decompose the precursor liquid within the preform and to deposit a decomposition product of the precursor liquid within the preform. The heatin g of the preform is continued in the precursor liquid until at least part of the insulated portion of the preform, which would not densify in this process without insulation, is densified.
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