Volume 3, Issue 1 (Spring 2020)                   knowl Cons Rest 2020, 3(1): 51-62 | Back to browse issues page

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Bakhshandehfard H R, Rabeie H. Technological Recognition and Damage Study in One of the Three Bronze Rods Excavated from Tehran-Qarchak Pardis Tepe Cemetery. knowl Cons Rest. 2020; 3 (1) :51-62
URL: http://kcr.richt.ir/article-6-133-en.html
1- Department of Restoration of Historical and Cultural Objects, Faculty of Conservation and Restoration, Isfahan University of Arts, Isfahan, Iran , hr.bakhshan@aui.ac.ir
2- M.Sc., Department of Restoration of Historical and Cultural Objects, Faculty of Conservation and Restoration, Isfahan University of Arts, Isfahan, Iran
Abstract:   (972 Views)

The cemetery of the Pardis Tepe, located in Qarchak of Tehran province, is a valuable historic landmark of the Iron Age which has been discovered in the excavations of these bronze wire objects. Despite the historical importance of the metal objects discovered in Tehran, no independent research has been carried out on the metal objects obtained from this site, in terms of technological and pathological aspects, using laboratory and methodological methods. The aim of this paper was to study a bronze rod found in Tepe Pardis, in terms of species and application, regarding technical questions about elemental combinations and the method of making and technological position of the study area. For this purpose, instrumental analysis methods such as AAS, SEM-EDS were used to identify the alloying technique, the chemical composition of the alloy, and metallography to identify the manufacturing method. Historical studies of the object attributed it to the Iron Age. Based on elemental data analysis, the composition used to make copper-tin alloy objects (bronze) and microstructure analysis by metallography, these objects were made by continuous thermal / mechanical operations. Depending on the results of the XRD test, cuprite, malachite and nantokite compounds were identified in corrosion products. Due to the significant presence of Nantokite, it can be said that the object has active corrosion.

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Type of Study: Research | Subject: Iran Heritage
Received: 2020/04/28 | Accepted: 2020/06/30 | Published: 2020/06/30

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