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Redox-thermal behavior of archaeological ceramics from the North Caucasus (Russia, Bronze/Iron Age)
Journal of the European Ceramic Society ( IF 5.7 ) Pub Date : 2020-01-15 , DOI: 10.1016/j.jeurceramsoc.2020.01.030
Ki Suk Park , Ulrich Schade , Johannes C. Vrijmoed , Sabine Reinhold , Ralf Milke

The firing behavior of illite-based archaeological ceramics and corresponding firing conditions were investigated, in order to identify the pyrotechnology of ceramic production at archaeological sites in the North Caucasus (Russia, Bronze and Iron Age). Direct observations of the pyrometamorphic degree in the objects by scanning electron microscope (SEM), X-ray powder diffraction (XRD), Raman and Fourier-transform infrared spectroscopy (FT-IR) revealed the thermally induced localization of the redox state within a single object and its influence on the structural distortion, dehydroxylation and total collapse of illite in the ceramics. Fundamental approaches to illite dehydroxylation kinetics and numerical simulations of oxygen diffusion and heat transfer revealed that the firing temperature and time and thickness of the sample, reactivity between oxygen and ceramic pastes and porosity evolution played a decisive role in the firing behavior of the ceramics during the firing at the sites.



中文翻译:

北高加索地区考古陶瓷的氧化还原热行为(俄罗斯,青铜/铁器时代)

为了确定北高加索地区考古遗址(俄罗斯,青铜时代和铁器时代)陶瓷生产的热解技术,研究了基于伊利石的考古陶瓷的烧成行为和相应的烧成条件。通过扫描电子显微镜(SEM),X射线粉末衍射(XRD),拉曼光谱和傅立叶变换红外光谱(FT-IR)对物体的焦晶形程度进行直接观察,揭示了在单个样品中热诱导的氧化还原状态的局域性目的及其对陶瓷中伊利石的结构变形,脱羟基和伊利石总塌陷的影响。伊利石脱羟基动力学的基本方法以及氧扩散和传热的数值模拟表明,焙烧温度,时间和样品厚度,

更新日期:2020-01-15
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