All Metals Database

Artifact ID BC 0647/890
Class amorphous
Material copper-base
Site Ban Chiang BC
Period Early Period-Middle Period

Alloy: bronze or copper
Where Cut: cut in half lengthwise
How Mounted: cross-section mounted cut side up
Structure: Post-casting treatment
Metallographic description: Slightly cored dendrites with grain boundaries forming. Some shrinkage porosity and interdendritic corrosion. Cast with some recrystallization: slow cooling or some annealing.

Photomicrographs Available

Photomicrographs Database