INNUMAT: Innovative Structural Materials for Fission and Fusion

INNUMAT的目标是开发用于核应用的创新结构材料，并将其推向裂变铅冷却和熔盐快堆以及聚变演示的资格。高熵合金（HEAs）是一种具有巨大发展潜力和非常有前途的性能的新型材料，以及已被确定为第四代和小型模块化反应堆的潜在结构材料的氧化铝形成奥氏体（AFA）钢，也是先进材料解决方案的主要焦点，特别是用于铅冷快堆的堆焊层和涂层15- 15 Ti，其中包括MYRRHA和ALFRED，以及用于熔融DEMO的涂层EUROFER和高级氧化物弥散强化（ODS）钢。这些结构材料中的一些在核领域之外也具有潜在的适用性，例如在聚光太阳能和/或H2限制中。因此，该项目是跨领域的，因为目标应用以及它所追求的加速材料发现、筛选和鉴定方法，适用于不同的技术准备水平。TRL、应用条件和所考虑材料的要求的差异导致了不同的目标，从而导致了不同的研究轨迹，甚至是不同的努力。共同的目标是快速提高TRL，以满足当前结构材料无法满足的耐腐蚀性、高温强度、热稳定性和耐辐照性要求。因此，将应用计算和实验高通量材料筛选方法，并将建立加速鉴定路线图，为更高效、安全的可持续核能系统铺平道路，为开发具有减少/零二氧化碳排放的经济能源系统的总体使命做出重大贡献。

INNUMAT aims to develop innovative structural materials for nuclear applications and put them on track towards qualification for fission lead-cooled and molten salt fast reactors as well as fusion DEMO. High entropy alloys (HEAs), a new class of materials with a vast development potential and very promising properties, as well as alumina forming austenitic (AFA) steels, already identified as prospective structural materials for Gen IV and Small Modular Reactors, are in the main focus in which advanced material solutions are considered as well, in particular weld overlay and coated 15-15Ti for lead-cooled fast reactors, among others MYRRHA and ALFRED, and coated EUROFER and advanced oxide dispersion strengthened (ODS) steel for fusion DEMO. Some of these structural materials are of potential applicability also outside the nuclear field, e.g. in concentrated solar power and/or in H2 confinement. The project is thus cross-cutting because of the target applications as well as because of the accelerated methodologies for materials discovery, screening and qualification that it pursues, applied at different technology readiness levels (TRLs). The differences in TRL, application conditions and requirements of the considered materials result in different objectives and hence different research tracks through the project with even different efforts. Common goal is to rapidly increase the TRL for the desired nuclear applications towards requirements of corrosion resistance, high temperature strength, thermal stability and irradiation tolerance, which are not met by current structural materials. Therefore, computational and experimental high throughput material screening methods will be applied and roadmaps for accelerated qualification will be established paving a fast way to more efficient safe sustainable nuclear energy systems with considerable contribution to the overall mission of developing economic energy systems with reduced/zero CO2 emissions.