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Artifact ID BC 2207/355
Class misc.
Material copper-base
Site Ban Chiang BC
Period Late Period

Provenience Status/Description Metallography Elemental/Hardness
Alloy: leaded high-tin bronze
Where Cut: in half lengthwise
How Mounted: cross-section mounted cut side up
Structure: As-cast.
Metallographic description: The main body of the sample is dendritic, with some residual coring and copious quantities of alpha+delta eutectoid. On the edges are what appear to be the remains of tin segregation. PIXE reveals that this segregated band is composed of 35% tin. Just inside the band the specimen is heavily corroded, but remains of numerous strain marks can be seen.
BC 2207/355<br>Width=1.2 cm.
BC 2207/355<br>Width=1.2 cm.
BC 2207/355<br>Width=1.2 cm.

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