函館工業高等専門学校紀要
Online ISSN : 2424-1962
Print ISSN : 0286-5491
ISSN-L : 0286-5491
論文
利尻島ペシ岬遺跡採集の小鐸様青銅製品について
山谷 文人小林 淳哉
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研究報告書・技術報告書 フリー

2019 年 53 巻 p. 133-137

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The element composition of a bell (Dotaku) and a metallic piece that were excavated from Peshi- misaki site in Rishiri-island was analyzed with X-ray fluorescence analyzer. The dotaku was a bronze alloy containing a relatively high concentration of Pb. Since fluidity of molten metal increases with increasing Pb content in bronze, Pb rich composition must have been beneficial in casting of a dotaku having complex shape. From the comparison of the shapes with the dotakus excavated from neighboring areas, it is considered that the dotaku from Peshi-misaki site was cast between 8th and 10th century. A concurrently excavated metal piece was a solder alloy contained from Pb and Sn. The solder alloy could have been used for repair of bronzewares casted in the site at that time.

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© 2019 National Institute of Technology, Hakodate College
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