Method and assembly for forming components having internal passages using a lattice structure
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United States of America Patent
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May 22, 2018
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app pub date -
Jan 19, 2017
filing date -
Dec 17, 2015
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Abstract
A method of forming a component having an internal passage defined therein includes selectively positioning a lattice structure at least partially within a cavity of a mold. The lattice structure is formed from a first material, and a core is positioned in a channel defined through the lattice structure, such that at least a portion of the core extends within the cavity. The method also includes introducing a component material in a molten state into the cavity, such that the component material in the molten state at least partially absorbs the first material from the lattice structure. The method further includes cooling the component material in the cavity to form the component, wherein at least the portion of the core defines the internal passage within the component.
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