Photomicrograph Database

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Artifact ID BC 2188/0530
Negative Number 1662
Magnification 200x
Etchant unknown, may be unetched.
Photo Date ~1993


Alloy

bronze.

Structure

As-cast.

Metallographic Description

Cored dendritic, with extensive interdendritic corrosion. Some gas and shrinkage porosity and corroded strain lines are visible. It is impossible to say if there was once a second phase because of the corrosion; from the composition (~15% tin), there should have been.


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