Photomicrograph Database

Artifact ID BC 2168/1115
Negative Number NS142
Magnification 200x
Etchant AH/HP, FeCl3
Photo Date 11/17/2000


bronze or copper


post-casting treatment

Metallographic Description

Specimen is extensively corroded; only a small corner of metal remains. The structure discernible is granular, with clear cross-hatched lines (strain lines?) and annealing twins in the grain islands.

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