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FOERFARANDE Foer FRAMSTAELLNING AV EN SJAELVBAERANDE Keramisk SAMMANSATT STRUKTUR OCH MED FOERFARANDET FRAMSTAELLD SJAELVBAERANDE Keramisk STRUKTUR
FOERFARANDE Foer FRAMSTAELLNING AV EN SJAELVBAERANDE Keramisk SAMMANSATT STRUKTUR OCH MED FOERFARANDET FRAMSTAELLD SJAELVBAERANDE Keramisk STRUKTUR
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机译:可持续的陶瓷复合结构的制造方法以及具有该方法的陶瓷结构
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摘要
A method for producing a self-supporting ceramic composite structure comprising a ceramic matrix embedding a filler (38) includes oxidizing a parent metal to form a polycrystalline material comprising the oxidation reaction product of the parent metal with an oxidant and, optionally, one or more metallic constituents, and the filler (38) embedded by the matrix. The method includes heating the parent metal to provide a first source (36) of molten parent metal and a reservoir (34) of molten parent metal and contacting the first source (36) of molten parent metal with a permeable bedding of filler (38). The first source (36) of molten parent metal is reacted with the oxidant to form the oxidation reaction product and is replenished from the reservoir (34) as the reacting continues for a time sufficient to grow the oxidation reaction product to a desired boundary and thereby embed at least a portion of the bedding of filler (38) within the oxidation reaction product to form the ceramic composite structure. The bedding of filler (38) may have any suitable shape, including that of a hollow body, the interior of which is contacted by the first source (36) of molten parent metal to grow the oxidation reaction product through the shaped, hollow body of filler.
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