NUCAPT Literature Database

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	Type	Kolli, R. Prakash; Seidman, David N.
	Publication	The temporal evolution of the decomposition of a concentrated multicomponent Fe-Cu based steel	Volume	Manuscript
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										no	NU @ m-krug @	9834
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	Kolli, R. Prakash; Mao, Zugang; Keane, D. T.; Seidman, David N.		Identification of a Ni0.5(Al0.5-xMnx) B2 Phase at the Heterophase Interfaces of Cu-rich Precipitates in an a-Fe Matrix		Journal Article	2007	Applied Physics Letters	Accepted	A phase with the stoichiometry Ni0.5(Al0.5-xMnx) is observed at heterophase interfaces of Cu-rich precipitates in an α-Fe matrix, utilizing atom-probe tomography. First-principles calculations are utilized to determine the substitutional energies, yielding E Mn →Ni = 0.916 eV atom-1 and E Mn →Al = −0.016 eV atom-1, indicating that the manganese atoms prefer substituting at Al sub- lattice sites instead of Ni-sites. A synchrotron radiation experiment demonstrates that the identified phase possesses the B2 structure.				no	NU @ karnesky @	9945
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