The path towards plasma facing components: A review of state-of-the-art in W-based refractory high-entropy alloys

IF 12.2 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Current Opinion in Solid State & Materials Science Pub Date : 2024-10-14 DOI:10.1016/j.cossms.2024.101201

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Abstract

Developing advanced materials for plasma-facing components (PFCs) in fusion reactors is a crucial aspect for achieving sustained energy production. Tungsten (W) − based refractory high-entropy alloys (RHEAs) have emerged as promising candidates due to their superior radiation tolerance and high-temperature strength. This review paper will focus on recent advancements in W-based RHEA research, with particular emphasis on: predictive modelling with machine learning (ML) to expedite the identification of optimal RHEA compositions; additive manufacturing (AM) techniques, highlighting their advantages for rapid prototyping and high-throughput multi-compositional sample production; mechanical properties relevant to PFC applications, including hardness, high-temperature strength, and ductility; and the radiation tolerance of W-based RHEAs under irradiated conditions. Finally, the key challenges and opportunities for future research, particularly the holistic analysis of candidate compositions as well as the role of radiation activation and oxidation are identified. This review aims to provide a comprehensive overview of W-based RHEAs for fusion applications and their potential to guide the development and validation of advanced refractory high entropy alloys.

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通向等离子组件之路：W 基高熵难熔合金的最新发展综述

开发用于聚变反应堆等离子体面组件（PFC）的先进材料，是实现持续能源生产的关键环节。钨（W）基高熵难熔合金（RHEAs）因其卓越的耐辐射性和高温强度而成为有前途的候选材料。本综述论文将重点介绍钨基 RHEA 研究的最新进展，特别强调：利用机器学习 (ML) 建立预测模型，以加快确定最佳 RHEA 成分；快速成型制造 (AM) 技术，强调其在快速成型和高通量多成分样品生产方面的优势；与 PFC 应用相关的机械性能，包括硬度、高温强度和延展性；以及辐照条件下钨基 RHEA 的耐辐射性。最后，确定了未来研究的主要挑战和机遇，特别是候选成分的整体分析以及辐射活化和氧化的作用。本综述旨在全面概述用于聚变应用的 W 基 RHEAs 及其在指导先进难熔高熵合金的开发和验证方面的潜力。

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来源期刊

Current Opinion in Solid State & Materials Science 工程技术-材料科学：综合

CiteScore

21.10

自引率

3.60%

发文量

审稿时长

47 days

期刊介绍： Title: Current Opinion in Solid State & Materials Science Journal Overview: Aims to provide a snapshot of the latest research and advances in materials science Publishes six issues per year, each containing reviews covering exciting and developing areas of materials science Each issue comprises 2-3 sections of reviews commissioned by international researchers who are experts in their fields Provides materials scientists with the opportunity to stay informed about current developments in their own and related areas of research Promotes cross-fertilization of ideas across an increasingly interdisciplinary field