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Soluble Casting Core For Metal Matrix Composite Components and Method of Producing Thereof
Soluble Casting Core For Metal Matrix Composite Components and Method of Producing Thereof
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机译:用于金属基复合材料构件的可溶铸芯及其制造方法
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摘要
A process for manufacturing a soluble casting core for use in casting complex shaped metal matrix composite components. The soluble casting core is generated by a sequence of steps which provide a molten slurry mixture composed of an alkali metal salt such as sodium carbonate and a plurality of ceramic particulates such as magnesium oxide dispersed therein. After heating and mixing the slurry mixture is solidified in a mold pattern to form a casting core configured to generate a complex shaped component during a casting process. The soluble casting core is used for casting molten metal alloys therein, without failure of the casting surfaces and forming of a complex shaped metal matrix composite component. The soluble casting core is readily dissolved and separated from the soluble casting core by immersing the core mold in heated water and/or exposing to steam, without damage to the metal matrix composite component.
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