Scanning Electron Microscopy and X-Ray Microanalysis

477 27

BSE

Note cracks

. Fig. 27.12 SEM/BSE image
of a polished cross section; note
the cracks

Ni Mn O Ni 20 μm

Mn O

Note cracks

. Fig. 27.13 SEM/EDS X-ray spectrum imaging elemental maps for Mn, O, and Ni and color overlay (Mn = red; O = green; Ni = blue). Note cracks are
observed in the O map but are much less visible in Mn and Ni

27.3 · Case Study: Characterizing the Microstructure of a Manganese Nodule