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Mold core for investment casting, process for preparing the same and process for preparing mold for investment casting having therewithin said mold core
Mold core for investment casting, process for preparing the same and process for preparing mold for investment casting having therewithin said mold core
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机译:用于熔模铸造的型芯,其制备方法以及在其中具有所述熔模型的用于精铸的模具的制备方法
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摘要
A core mold to be assembled with a shell mold for use in an investment casting process is provided. The core mold comprises a core matrix essentially consisting of an aggregate and an inorganic binder, a binder layer impregnated from the surface of said core matrix, a coating layer formed by coating a slurry over said binder layer, and a paraffin wax layer covering the exterior periphery of said coating layer. Also provided are a process for preparing the core mold and a process for preparing an investment casting mold in which the core mold is assembled.
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