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通过对甘肃玉门火烧沟四坝文化铜器进行的定量成分分析和金相检验、表面定性成分分析以及表面局部除锈分析等显示,火烧沟铜器材质多样,以红铜比例最大、杂质元素多样化且含量较高,反映了冶炼所用矿科是多金属共生矿或混合矿,冶金技术尚处于较原始阶段。火烧沟铜器以铸造为主要的制作工艺,不同类型的器物在材质和制作方法上别,红铜仍然是普遍应用并在生产中发挥主要作用的金属材料。通过比较玉门火烧沟、酒泉干骨崖、民乐东灰山三个四坝文化遗址铜器的材质和制作工艺,发现既有共性又有在较大差别。比较20世纪70年代末和此次对火烧沟铜器的分析结果,发现二者存在一定差异,主要是在砷青铜和铅青铜的存在和判定上。由于分析样品的数目占出土样品的二分之一,分析的唯物类型全面,故分析结果具有代表性和重要参考价值。
Through the quantitative analysis and metallographic examination, the qualitative analysis of the surface and the analysis of the surface local rust removal, the bronze ware of the Siba fire dam in Humen, Yumen, Gansu Province shows that the copper materials of HuoGaoGou are diversified, with the largest proportion of copper, the impurity elements Diversification and high content, reflecting the use of smelting ore is polymetallic symbiotic mine or mixed ore, metallurgical technology is still in its more primitive stage. Fire burning bronze to casting as the main production process, different types of utensils in the material and production methods do not, copper is still widely used in production and play a major role in the metal material. Through the comparison of Yumen fire ditch, Jiuquan dry bone cliff, folk limestone east of the three Siba cultural relics bronze material and production process, we found both common and there is a big difference. Comparing the analysis results of the fire-burning bronze vessels in the late 1970s and the present, we find that there are some differences between them, mainly in the presence and determination of arsenic bronze and lead bronze. As the number of samples analyzed accounted for one-half of the unearthed samples, the analysis of the type of material is comprehensive, so the analysis results are representative and important reference value.