Photomicrograph Database

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Artifact ID BC 0601/0277
Negative Number NS100
Magnification 100x
Etchant AH/HP, FeCl3
Photo Date 2/11/2000


Alloy

bronze.

Structure

As-cast.

Metallographic Description

Dendritic with strong coring. No evidence of second phase; perhaps it was eaten away by corrosion. Corrosion, gas porosity, and shrinkage porosity. The strong coring suggests rapid cooling. There are bits of redeposited copper.


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