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关东车遗址发现的9件铜器(6件为考古发掘出土物,3件为采集物)是研究夏家店上层文化特征、铜器制作技术及与周边考古学文化相互关系等学术问题的重要资料。为进一步揭示该批铜器包含的科学信息,本文对其进行了合金成分检测、金相组织鉴定。结果显示,9件铜器的合金材质差别较大,其中砷铜2件,锡青铜1件,铅锡青铜4件,铜锡砷铁四元合金1件,铜锡砷铁铅五元合金1件,皆属复杂的含铜锡砷铅(银)共生矿直接冶炼的产物;制作工艺主要分为铸造和热锻成形,显示有初步的合金材质性能与加工工艺的关系认识。推断这批铜器的矿源地应为大井古铜矿遗址。
Nine pieces of bronze found in the site of the Kanto car (six pieces are archaeological excavations and three pieces are collected articles) are important for studying academic issues such as the upper cultural features of the Xiajiadian store, the bronze making techniques, and the interrelationships with neighboring archeological cultures data. In order to further reveal the scientific information contained in this group of bronze vessels, this paper carried out alloy composition testing and metallographic examination. The results show that the 9 pieces of bronze alloy materials vary greatly, of which 2 parts of arsenic copper, 1 bronze, 4 parts of lead-tin bronze, 1 parts of copper-tin-arsenic-iron alloy, 1 parts of copper- Pieces, are complex copper tin arsenic lead (silver) symbiotic ore direct smelting products; production process is mainly divided into casting and hot forging, showing a preliminary understanding of the relationship between the alloy material properties and processing technology. It is inferred that the source of these bronzes should be the site of the Dajing copper mine.