Cover Picture: Materials and Corrosion. 7/2014

Abstract

Cover:Pitting corrosion is associated with the distribution and composition of intermetallic (IM) particles. This work presents a computational approach for IM particle microstructure characterisation and statistical reconstruction. The cover picture shows a colour IM particle map (top left figure) on the surface area of a 1 × 1 mm AA2024‐T3 sample with an inset to show a magnified view of four types of IM particles in a selected region. A statistically reconstructed IM map (top right figure) conforms to the original particle size distribution and spatial correlations. Further studies in local properties of IM particles are conducted on a set of reconstructed maps by subdividing the sample domain and analysing particle distribution patterns (bottom figures). The presented technique enables us to generate a range of statistically‐identical virtual microstructures and analyse IM particle spatial distribution patterns for studying the relationship between alloy corrosion and the morphological variations of IM particles.More detailed information can be found in: F. F. Chen, I. Cole, A. E. Hughes, A.M. Glenn, E. Sapper, J. Osborne, Microstructure Characterisation and Reconstruction of Intermetallic Particles, Materials and Corrosion 2014, 65, 664.