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http://dx.doi.org/10.12654/JCS.2012.28.4.367

A Study on Iron-manufacture Method through Analysis of Ironware excavated from Byeokje, Goyang  

Lim, Ju-Yeon (Conservation Science Center, National Research Institute of Cultural Heritage)
Kim, Soo-Ki (Department of Cultural Properties, Yongin University)
Publication Information
Journal of Conservation Science / v.28, no.4, 2012 , pp. 367-376 More about this Journal
Abstract
The ironware production technology is a measure to fathom the society's level of development in time. To understand iron-manufacure methods in the past, various investigations on the fine structures and additions of ironware remains and Iron ingot have been conducted in a way of natural science. This study metallurgically reclassifies remains excavated in iron-manufacture remains located in Beokje, Goyang, which are thought to be in time of Goryeo Dynasty, and draws an inference from the element analysis on the iron-manufacture and smelting technology. Iron ingot samples with a cast iron structure are divided into those with a white cast iron structure and those with a grey cast iron rich in P. The P content of grey cast iron appeared to be the result of adding a flux agent like lime, iron ingot and carbon steel iron ingot with a cast iron structure excavated in the area is regarded as pig iron which was made without a refining process. In this study it seems that two methods of making ironware were used in the area; one is the method of making ironware by pouring cast iron to the casting, and the other is the method of making carbon steel through the refinement of pig iron. It appears that highly even steel structure of carbon steel and a small amount of MnS inclusion are very similar with that of the modern steel to which Mn is artificially added. Nevertheless, these data alone cannot be used to determine the source of Mn in the carbon steel of the excavated from the iron-manufacture remains, which raises the need for further studies on the source and the possibility of carbon steel via the iron-manufacture process of cast iron.
Keywords
Pig iron; Carbon steel; White cast iron; Gray cast iron; Iron-manufacture.smelting technology; Nonmetallic inclusion; MnS inclusion;
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