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Metal composition and methods for preparing liquid-solid alloy metal compositions and for casting the metal compositions
Metal composition and methods for preparing liquid-solid alloy metal compositions and for casting the metal compositions
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机译:金属组合物以及制备液固合金金属组合物和铸造金属组合物的方法
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摘要
This invention provides a composite composition comprising a metallic matrix having a concentration of third phase solid particles homogeneously dispersed throughout the metallic matrix. The metallic matrix can be liquid, solid or partially solid and can have (a) a dendritic structure or (b) up to 65 weight percent of a structure comprising degenerate dendritic or nodular primary discrete solid particles suspended in a secondary phase having a lower melting point than the primary particles which secondary phase can be solid or liquid. The third phase particles can be metallic, non-metallic or a combination metallic-nonmetallic compositions and have a surface composition which is not wet by the metallic matrix when the matrix is a liquid.
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