中国古代青铜器凝固过程的数值模拟及其相关工艺问题研究

本研究引入金属材料科学中成熟的凝固理论,对中国古代青铜器的铸造工艺进行系统研究,发现我国古代青铜器的凝固均属于非平衡凝固。基于这一认知,用ProCAST软件进行青铜合金凝固过程的仿真模拟,在动态可视的层面观察其凝固过程与铸造缺陷位置,进而探索其缺陷形成原因及工匠的处理机制。本研究总结出了我国古代青铜器凝固的4个关键要素——原料制备、温度控制、凝固时间与缺陷机理。基于现代凝固理论的模拟方法的引入,能够用一种全新的可视化、可计算的仿真技术研究我国古代青铜器的铸造工艺,为科学解读我国古代青铜器铸造工艺内涵、反映我国古代金属技术成就提供了重要的数据支撑。

Research on the mechanism of solidification and related technical problems of ancient Chinese bronzes

In our work, the mature solidification theory in metal materials science is introduced, and the process for casting of ancient Chinese bronzes is systematically studied. ProCAST software is used to simulate the solidification process of bronze alloys and the process of solidification and formation of defects and their locations are observed in the dynamic visual level, so as to explore the mechanism of defect formation. In this study, four elements of the process of solidification of ancient Chinese bronzes are summarized:material preparation, temperature control, solidification time and defect mechanism. The introduction of simulation methods based on modern solidification theory enables us to examine the casting techniques employed for ancient Chinese bronzes using a new calculable simulation technology. This technology provides important support for the scientific interpretation of ancient Chinese bronze casting techniques and the reflection of ancient Chinese metal technical achievements.