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This work aims to develop techniques that allow us to investigate how
the degree of undercooling during the solidification process influences defect
structures within the crystalline lattice of atoms. Understanding the mechanisms that
drive solidification is vital to predicting and achieving desired properties of metal
parts. Inconel 718 superalloy powder from the additive manufacturing facility ... read moreat NASA
MSFC was used as a model material for this research. To quantify defect structures, the
dislocation density was estimated using the results from powder x-ray
diffractometry.read less
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