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http://dx.doi.org/10.12654/JCS.2012.28.4.417

The Restoration Technology and Scientific Analysis of Bronze Mirror with Fine Linear Designs  

Yun, Yong Hyun (Research and Planning Division, National Science Museum)
Cho, Nam Chul (Department of Cultural Heritage Conservation Science, Kongju National University)
Publication Information
Journal of Conservation Science / v.28, no.4, 2012 , pp. 417-425 More about this Journal
Abstract
Bronze Mirror with fine linear designs in the bronze age shows the greatest alloy and casting skills of the day and presents the highest level of handcrafting and molding techniques. Lately, Lost-wax casting and sand-mould casting were used for the restoration of the national treasures of No. 141 and No. 143 Bronze Mirror with fine linear designs. Also the Principle Component Analysis, Microstructure Analysis, X-ray and SEM-EDS analysis were carried out on the restored Bronze Mirror with fine linear designs. Bronze Mirror that is made of sand-mould casting, hardly has a eutectoid and it is observed as a ${\alpha}$ dendrite. In contrast, Bronze Mirror that is made of lost-wax casting, the eutectoid has found through the ${\alpha}$ dendrite. As we compare lost-wax casting to the sand-mould casting through an analysis of restored Bronze Mirror, mostly, sand-mould casting has better castability and it seems that it brings a clear and equal Bronze Mirror as it has a low cooling rate. In this way, we are able to confirm that there is a big difference between the method by lost-wax casting and by sand-mould casting through an analysis of microstructure and restored Bronze Mirror. If such research will be continued, it will be an opportunity that investigates diverse methods of production techniques.
Keywords
Bronze Mirror with fine linear designs; Lost-wax casting; Sand-mould casting; Microstructure;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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