All Metals Database

Artifact ID BT 889/1694
Class wire/rod
Material copper-base
Site Ban Tong
Period Early Period

Alloy: bronze.
Where Cut: cross section of shaft
How Mounted: lengthwise
Structure: Post-casting treatment
Metallographic description: This hook-shaped fragment of wire is heavily corroded. The structure is one of fine grains with numerous twins. Intergranular cracking extending from the surface is common. The numerous blue-gray inclusions are all flattened along the length of the specimen, showing fairly extensive working. A few annealing twins are bent. Working, annealing; cycle may have been repeated several times.

Photomicrographs Available

Photomicrographs Database