Photomicrograph Database

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Artifact ID BT 0496/0910
Negative Number 1577
Magnification 200x
Etchant AH/HP
Photo Date 4/5/1993


Alloy

bronze.

Structure

As-cast.

Metallographic Description

Large globular dendrites, with coring and alpha+delta eutectoid. The dendrites have a fringed appearance. Redeposited copper has collected in some of the corrosion voids. Inside many of the dendrites can be seen sub-grain boundaries, as well as curious depressions surrounding bits of inclusion.






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