Functions and Morphology of Metal Lead Addition to Ancient Chinese Bronzes

Abstract:

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The typical morphology of metal lead (Pb) in ancient bronzes made in the Spring-Autumn Warring States Period (770 B.C. –221 B.C.), China, was examined by using electron microscopic techniques. We propose that the main purposes for adding metallic Pb in a large quantity into ancient bronzes such as arrows and ritual vessel-Ding were for increasing weight and economical reasons. SEM observations from the fracture surface of the bronzes revealed that the Pb particle possessed a “hollow–cored bubble” structure, which was formed due to absorbing casting gases during solidification and therefore indirectly eliminated the casting porosity and loosen.

Info:

Periodical:

Advanced Materials Research (Volumes 26-28)

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

523-526

Citation:

C. X. Pan et al., "Functions and Morphology of Metal Lead Addition to Ancient Chinese Bronzes", Advanced Materials Research, Vols. 26-28, pp. 523-526, 2007

Online since:

October 2007

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$38.00

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