Photomicrograph Database

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Artifact ID BCES 0601/2021
Negative Number NS179
Magnification 200x
Etchant AH/HP, FeCl3
Photo Date 4/25/2000

Photomicrograph Description

Close-up of twinned redeposited copper filling a shrinkage void.

Alloy

bronze.

Structure

As-cast.

Metallographic Description

Cored dendrites, heavy corrosion. Grain boundaries are lightly outlined by corrosion. Gray nonmetallic inclusions are common and twinned redeposited copper is present in some voids.




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