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- E-ISSN 2288-8985
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Provenance and Microstructures of an Ancient Korean Bronze Dagger
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1992, v.5 no.2, pp.191-197
Choi,
J., Do,
J. M., Kim,
S. C., Kim,
S. T., Eom,
T. Y., &
Kim,
J.
(1992). Provenance and Microstructures of an Ancient Korean Bronze Dagger. Analytical Science and Technology, 5(2), 191-197.
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Abstract
An ancient Korean bronze dagger excavated from Yongjai-ri, Iksan-kun, presumed to be manufactured in the pre-historical age, was examined by means of chemical analysis, energy dispersive spectrometry, optical and scanning electron microscopy. Also the measurement of lead isotope ratios was carried out in order to predict the site where raw materials were produced. The composition was identified as 75.3% Cu, 17.1% Sn and 6.8% Pb which was a typical composition of Korean bronze dagger. The microstructure was consisted of <TEX>${\alpha}$</TEX> and (<TEX>${\alpha}+{\delta}$</TEX>) eutectoid. The (<TEX>${\alpha}+{\delta}$</TEX>) eutectoid can be easily corroded in comparison with <TEX>${\alpha}$</TEX>. The segregation was frequently observed in the interior of the sample. According to the lead isotopes ratios, raw materials have possibility to be from North China.
- keywords
- Korean ancient dagger, Lead isotope ratio, Archeological bronze artefacts
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