File(s) under permanent embargo
An archaeological analogue for a composite material of carbon steel, copper and magnetite
journal contribution
posted on 2023-05-17, 18:06 authored by Chamon, J, Christian DietzChristian Dietz, Garcia, L, Arevalo, R, Bravo, E, Criado, AJ, Martinez, JAThe study of archaeological analogues is a helpful tool to asses long-term corrosion behaviour for a wide range of materials. In this work, a celtiberic belt-buckle is studied as analogue for a composite material of carbon steel, bronze and a final coating of magnetite, also providing a hypothesis about the ancient fabrication of these coatings. The paper goes through a metallographic examination of the sample and compares the corrosion phenomena suffered with those of two other metallic objects, recovered from the same archaeological site. It includes geochemical analysis of the soil from which the reference objects were recovered. The belt-buckle, after being cremated and buried over two millennia into a rather aggressive environment, showed remarkably high resistance against corrosion.
History
Publication title
Praktische Metallographie-Practical MetallographyVolume
46Issue
8Pagination
377-393ISSN
0032-678XPublisher
Carl Hanser VerlagPlace of publication
Kolbergerstrasse 22, Postfach 86 04 20, Munich, Germany, D-81679Rights statement
Copyright 2009 Carl Hanser Verlag, MunchenRepository Status
- Restricted