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 15, 2018
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app pub date -
Dec 17, 2015
filing date -
Dec 17, 2015
priority date (Note) -
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Abstract
A mold assembly for use in forming a component having an internal passage defined therein is provided. The component is formed from a component material. The mold assembly includes a mold that defines a mold cavity therein. The mold assembly also includes a lattice structure selectively positioned at least partially within the mold cavity. The lattice structure is formed from a first material that has a selectively altered composition in at least one region of the lattice structure. A channel is defined through the lattice structure, and a core is positioned in the channel such that at least a portion of the core extends within the mold cavity and defines the internal passage when the component is formed in the mold assembly.
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