ABSTRACT
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3.1 INTRODUCTION
Corrosion processes begin on solid surfaces — often at microscopic locations on
such surfaces. From there, it may propagate across the entire surface, down a grain
boundary, or remain confined within pits or crevices. Thus, identification and
analysis of the type and origin of the corrosion problem requires both surface and
microscopic tools that can characterize the properties of internal structures as well as
those of the outermost surfaces.
