Photomicrograph Database

Artifact ID BCES 0649/2173
Negative Number 1684
Magnification 200x
Etchant AH/HP, K2Cr2O7
Photo Date 6/28/1994


bronze or copper


Post-casting treatment

Metallographic Description

The specimen has a rectangular cross-section. The structure is a mosaic of small grains, many with annealing twins. Blue-gray inclusions are frequent. The twins, grains, and inclusions do not appear to be bent or deformed.

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