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Figure 4
Experiment 2: in situ diffraction acquired at 2 Hz during foaming of AlMg15Cu10 at 500°C plus in situ tomography also acquired at 2 Hz in the time interval 195–220 s. (a) Map of diffracted intensities versus time. Diffraction lines of detected phases Al, Cu, β, S and T are indexed (hkl). The presence of liquid in the sample gives rise to diffuse scattering (green zone, broad in energies) and is indicated by an arrow from 152 s to 252 s. (b) Sample temperature Ts(t) and lattice parameter of the Al matrix aAl. (c) Reconstructed slices of the tomographic volume showing the microstructure of the foam at the given times and temperatures. As indicated, the bright small regions are Cu particles that vanish after 205 s, the dark zones are gas bubbles and the dark grey zones represent the semi-molten matrix.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 6| November 2018| Pages 1790-1796
https://doi.org/10.1107/S1600577518011657
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