High-Throughput Preparation of High Entropy Alloys and Machine Learning Driven High Entropy Alloys
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摘要: 高熵合金是近十几年发展起来的新型合金,其独特的设计理念和组织结构使之具有一系列优异的性能。而如何快速有效地进行核心成分的高效设计和筛选是研究高性能高熵合金面临的关键问题。目前高通量的设计、制备和表征技术,可促进材料的研究从传统的试错模式向低成本、高效快速响应模式的转变,从而实现新材料的筛选与研发的快速发展。通过机器学习对高通量实验获得的海量数据进行训练学习,可挖掘隐含在合金中的内在规律及优异性能,实现对具有目标性能的合金成分快速精准的预测。
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图 1 高熵合金组合合成和处理的RAP方法[7]
图 2 增材制造系统示意图[11]
图 3 单个单元素靶材共溅射的Cr–Mn–Fe–Co–Ni示例性薄膜库[7]:(a)Cr–Mn–Fe–Co–Ni各元素浓度薄膜库;(b)五个共聚焦的溅射源
图 4 扩散偶示意图[7]
图 5 蜂窝阵列结构示意图[14]
图 6 机器学习方法在材料科学中的应用[19]
图 7 镍钛基记忆合金的设计流程图[21]
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