MaterialsMap：一种基于CALPHAD的工具，通过可行性图设计所需异种材料的成分路径，并以Ag-Al-Cu的电阻点焊连接为例进行演示
MaterialsMap: A CALPHAD-Based Tool to Design Composition Pathways through feasibility map for Desired Dissimilar Materials, demonstrated with RSW Joining of Ag-Al-Cu
AI总结：
本文介绍基于CALPHAD的开源软件MaterialsMap，通过结合平衡热力学与Scheil-Gulliver模拟设计异种材料液相组装的成分路径，并以Ag-Al-Cu电阻点焊实验验证其有效性。
摘要：
异种金属的组装可通过多种方法实现，例如铸造、焊接和增材制造（AM）。然而，在液相组装过程中，由于凝固过程中的溶质偏析而形成的有害相会降低加工部件的机械性能和其他性能。在本工作中，基于CALPHAD（相图计算）方法开发了一款名为MaterialsMap的开源软件。MaterialsMap的主要目标是基于沿路径形成的有益相和有害相，促进设计用于液相组装异种合金的最佳成分路径。在MaterialsMap中，使用平衡热力学计算来预测在缓慢冷却速率下形成的平衡相，而采用Scheil-Gulliver模拟来预测在快速冷却过程中形成的非平衡相。通过结合这两种模拟，MaterialsMap为理解各种制造过程中的相形成提供了全面的指导，帮助用户在材料选择和生产过程中做出明智的决策。作为该方法的一个演示，使用MaterialsMap设计了从纯Al经Ag到纯Cu的成分路径。该设计通过电阻点焊（RSW）进行了实验验证。
英文摘要：
Assembly of dissimilar metals can be achieved by different methods, for example, casting, welding, and additive manufacturing (AM). However, undesired phases formed in liquid-phase assembling processes due to solute segregation during solidification diminish mechanical and other properties of the processed parts. In the present work, an open-source software named MaterialsMap, has been developed based on the CALculation of Phase Diagrams (CALPHAD) approach. The primary objective of MaterialsMap is to facilitate the design of an optimal composition pathway for assembling dissimilar alloys with liquid-phases based on the formation of desired and undesired phases along the pathway. In MaterialsMap, equilibrium thermodynamic calculations are used to predict equilibrium phases formed at slow cooling rate, while Scheil-Gulliver simulations are employed to predict non-equilibrium phases formed during rapid cooling. By combining these two simulations, MaterialsMap offers a thorough guide for understanding phase formation in various manufacturing processes, assisting users in making informed decisions during material selection and production. As a demonstration of this approach, a compositional pathway was designed from pure Al to pure Cu through Ag using MaterialsMap. The design was experimentally verified using resistance spot welding (RSW).
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