Webbwe demonstrate how the proximity histogram generated fora specific interface can be corrected by using the natural abundances of isotopes. This leads to overlap-solved … WebbFrom the steady-state regions on either side of the interface in proximity histogram, the concentration of Ni-rich region was estimated to be 21.92±0.83 at% Li, 12.89 ± 0.67 at% Mn, 22.65 ± 0.84...
Rapid assessment of structural and compositional changes
Webb1 juni 2024 · The proximity histogram [4], or ‘proxigram’ for short and the 2D concentration map are two of the most widely used tools in the analysis of APT data. The proxigram … Webb10 apr. 2024 · Proximity histograms for the carbides labeled 1 to 5 are shown in Figure 10. The volume of 54 nm × 56 nm × 53 nm corresponds to acquisition of 3.57 million ions. … lake arcadia in oklahoma
Atom probe tomography data analysis procedure for precipitate …
Webb27 mars 2024 · In order to study the chemical composition of the precipitate particles, a proximity histogram [11] has firstly been determined for all the particles, employing a 2 at% C isoconcentration surface, Fig. 6 a. The Fe content is about 40 at% at a distance from the interface (into the particle) greater than 1.5 nm (radius). Webb15 mars 2024 · (a) C, Nb, V and P atom maps; (b) corresponding 2.0 at.% C iso-concentration surface and selected atom map of (Nb,V) C particle; (c) proximity histogram concentration profiles of Fe, Nb, V and C for (Nb, V)C precipitates obtained from 2.0 at.%C isoconcentration surface; (d) compositional variation of precipitates vs. Guinier radius in … Webb15 juni 2024 · d, e Concentration profiles of different elements of the precipitate calculated in the form of a proximity histogram (0 nm is the interface defined by the iso-surface of C at 20 at.%) Full size image Table 2 Bulk compositions of martensite and ferrite tips by APT, and theoretical average element concentration of the H-P steel by chemistry analysis … jen025-ss