Fig. 12From: Corrosion of aircraft heritage: a comparison between modern and historic Duralumin alloysHistoric P-2(p) sample—SEM images of intermetallic particles (IMPs) with globular Cu aggregations, taken after localised ageing (t = 19h, 0.01 M NaCl solution). Localised EDS data comparing the elemental composition of the Al-rich matrix (1), IMP (2) and Cu globular aggregates (3) in the right-hand imageBack to article page