Studying the Pathology and Corrosion of Two Iron Bayonet Belonging to the Persian Gulf Anthropology Museum, Iran
Vahid Pourzarghan, Hossein Sarhadi-Dadian, Mohsen Baghery

Hormozgan Province is one of the important historical areas in South of Iran. In this ancient area many significant objects have been obtained such as graffito pottery, Celadon, Sasanian coins, and iron weapons. Among other objects of this ancient area, two iron bayonets belonging to the first millennium to seven hundred BC that are protected in Persian Gulf Museum. The damages and corrosions observed on the surface of these artifacts have led to the destruction of the blades of these bayonets. The main objective of present study is identifying the type of corrosions and damages that have destructed these artifacts. In the same vein, in order to investigate the metal core, X-ray Radiography device has been deployed. In order to identify the type of corrosion products, XRD analysis and in order to analyze the types of corrosions on the surface and matrix of the artifacts, SEM-EDX and metallography device have been utilized. The obtained results indicated the existence of ferric chloride corrosion including Akaganéite (β-FeOOH) and Lorensite FeCl2 which indicate the intensity of corrosion and delamination metal matrix. Corrosion layer of Goethite (γ-FeOOH) were also recognized at the level of the objects.

Full Text: PDF     DOI: 10.15640/jaa.v5n1a4