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Figure 13
Transmission spectra of weld samples measured in the epithermal rage of energies. The spectra are measured in a `face-on' orientation for the areas shown by the dashed rectangles in Fig. 6[link](a). Sharp variation of transmission is observed, due to the resonance absorption of neutrons by several elements present in the weld materials. (a) Spectra of the stainless steel part of the Ti–stainless steel weld [area 1 in Fig. 6[link](a)] and the Al–steel weld [area 4 in Fig. 6[link](a)]. The Mn resonances from both steel and Al parts of the weld are present, as well as Cr resonance from the Al part of the weld. A weak Ni resonance is barely resolved for the stainless steel side of the Ti–steel weld. (b) The spectra of Ti [area 3 of Fig. 6[link](a)] and the weld area of the same sample [area 2 of Fig. 6[link](a)]. A substantial amount of Mn is present in the weld. The spatial distributions of these elements in the samples are shown in Fig. 14[link].

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 49| Part 4| August 2016| Pages 1130-1140
doi:10.1107/S1600576716006725
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