| Metallographic cross-sectioning
is the technique, during material characterization or
failure mode analysis, for exposing an internal plane
of interest in an object or package for examination. Physically
destructive in nature, cross-sectioning requires encapsulation
of the specimen in plastic to provide support, stability,
and protection. |
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Also known as micro-sectioning, cross-sectioning
begins with the preparation of the sample. This sample
preparation step is usually followed by the mounting,
sawing, grinding, polishing, and staining of the specimen.
At the completion of these processes, the plane of interest
has been made ready for optical and/or scanning electron
microscopy. |
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