基于数字孪生技术的金属材料力学标准试样高通量制备与原位铸造性能测试系统

Integrating High-throughput Manufacturing of Standard Mechanical Specimens and In-situ Castability Measurement via Digital Twin Technologies

高通量计算、高通量实验和数据库技术为材料基因工程的3大关键技术,旨在高效地加速新材料的设计与开发。在我国新一代智能制造的驱动下,数字孪生技术已成为数据驱动的集成计算材料工程关键技术。面向精密铸造技术领域,建立了集成金属材料铸造性能测试与标准试样高通量制备的方法和系统,包括浇铸系统优化设计、铸造性能测试系统和标准试样高通量制备阵列组合系统。通过集成3D打印技术,实现了系统设计和制备的数字孪生。结果表明,采用试样高通量制备阵列组合系统制备的蜡模精度高,功能模块单元组合灵活、方便,可节省传统压模工具,降低成本、减少力学性能试样的加工量和原材料消耗、缩短制备时间。该集成系统还可用于砂型、金属型和精密铸造等试样的制备过程。

High-throughput computing,high-throughput experiment and database technology are the three key technologies of Material Genetic Engineering,which aim to accelerate the design and development of new materials efficiently.Motivated by a new generation of intelligent manufacturing in China,digital twin technology has become a key technology for data-driven Integrated Computational Materials Engineering(ICME).For precision casting technology,a method and system integrating casting performance testing of metal materials and high-throughput preparation of standard samples were established,including casting system optimization design,casting performance testing system and high-throughput preparation array system of standard samples.By integrating 3D printing technology,the digital twin of system design and preparation was realized.The results show that the wax mold prepared by the high-throughput sample preparation array combination system has high precision,flexible and convenient combination of functional modules and units,which can save the traditional mold tools,reduce the cost,reduce the processing amount and raw material consumption of mechanical properties samples,and shorten the preparation time.The integrated system can also be used for the samples preparation process of sand casting,metal mold casting and precision casting.