Artifact ID DK 0149/0329
Negative Number NS229
Etchant AH/HP, FeCl3
Photo Date 7/7/2000
StructureHot-worked and quenched.
Metallographic DescriptionA beta-tin martensite. A very fine structure: the alpha are small and the needles hard to resolve. There is a mosaic pattern of uneven grains across the sample. A dark, somewhat feathery (Sn-rich?) phase outlines both the alpha and the grain boundaries.
For more information: View Artifact Data