Abstract Pushing the performance limits of engineering systems aiming to enhance their efficiency and reduce emissions for a sustainable future requires new materials. Current alloy design strategies consider alloys as static systems, but their microstructure and composition continuously evolves in operando. This viewpoint is concerned with a new alloy design dynamic parameter that arises from information pertaining to the interactions of solutes with crystal defects obtained at the near-atomic scale. Recent technological breakthroughs in high-resolution characterization have enabled structural and compositional imaging at near-atomic scale providing new insights into such interactions. The role of these interactions on the continuously evolving microstructure and composition that governs failure in high temperature alloys, such Ni-, Co-based alloys and Ti-alloys is discussed. The development of a solute-defect database that accounts for these interactions, aiming to more accurately predict the mechanical performance of current and new alloys is necessary for more dynamic alloy design strategies.

中文翻译：

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溶质与晶体缺陷的相互作用：先进合金的新动态设计参数

摘要 推动旨在提高效率和减少排放以实现可持续未来的工程系统的性能极限需要新材料。当前的合金设计策略将合金视为静态系统，但它们的微观结构和成分在操作中不断发展。这一观点涉及一种新的合金设计动态参数，该参数源自有关在近原子尺度上获得的溶质与晶体缺陷相互作用的信息。最近在高分辨率表征方面的技术突破使近原子尺度的结构和成分成像成为可能，为这种相互作用提供了新的见解。这些相互作用对控制高温合金失效的持续演变的微观结构和成分的作用，如 Ni-、讨论了钴基合金和钛合金。开发用于解释这些相互作用的溶质缺陷数据库，旨在更准确地预测当前和新合金的机械性能，对于更动态的合金设计策略是必要的。