Photomicrograph Database

Artifact ID BC 2123/0811
Negative Number NS135
Magnification 200x
Etchant AH/HP
Photo Date 3/21/2000

Alloy

bronze.

Structure

As-cast.

Metallographic Description

Cored dendritic, with heavy exterior and interdendritic corrosion. Any interdendritic phase has been removed by corrosion. Lumps of redeposited copper can be found in some corrosion cavities. The crack through the middle, along interdendritic lines, is likely due to stress corrosion.


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