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	Record
	Type	Karnesky, Richard A.; Sudbrack, Chantal K.; Seidman, David N.
	Publication	Best-Fit Ellipsoids of Atom-Probe Tomographic Data to Study Coalescence of [gamma]' (L1[sub:2]) Precipitates in Ni-Al-Cr	Volume	Journal Article
Pages	2007
	Abstract	Scripta Materialia
	Corporate Author
Publisher	57
Editor	4
	Summary Language	353-356	Series Editor	Best-fit ellipsoid; Atom-probe tomography; Coarsening; Nickel alloys
Abbreviated Series Title	An algorithm is presented to fit precipitates in atom probe tomographic data sets as equivalent ellipsoids. Unlike previous techniques, which measure only the radius of gyration, these ellipsoids retain the moments of inertia and principle axes of the original precipitate, preserving crystallographic orientational information. The algorithm is applied to study interconnected γ'-precipitates (L1₂) in the γ-matrix (FCC) of a Ni-Al-Cr alloy. The precipitates are found to coagulate along <110>-type directions.
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					no	NU @ karnesky @	9601
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