and vs Cu concentration in Al–Cu solid-solution alloys, see Refs. 2 and 14. The solid line represents a least-squares-fitted linear regression (LSF-LR); correlation coefficient .
(a) , (b) electron density at the boundary of WS cells, in density units ; and (c) average for 58 polycrystalline metals, B, C, Si, and Ge, single crystal KKR-LDF, and fe-calculated vs , see Refs. 8, 11, 12, 18, and 19. Solid, dashed, and dotted lines represent LSF-LRs, , where , . Dotted line in (b) is calculated as and one in (c) is derived from Eq. (4).
In situ TEM, transformation: (a) thick precipitates in an matrix at and (b) the same area at , showing phase as an enclosed precipitate and the matrix. In situ VEEL spectra from (a) the precipitates and (b) matrix acquired at , 300, and , respectively.
(a) TEM and VEELS of thick precipitates (2 and 3, partially oxidized and hydrolyzed ) in matrix (1), . (b) map derived by rescaling the ratio image within the range followed calculation of for each pixel. Rectangular box indicates a profile (insets 1–3) taken with a integration window across the precipitate and adjacent matrix.
Experimentally determined elastic constants and bonding electron densities of phase and matrix in comparison with available literature data (Refs. 21 and 22).
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