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Recent Advances on Interface Design and Preparation of Advanced Tungsten Materials for Plasma Facing Materials
Journal of Fusion Energy ( IF 1.1 ) Pub Date : 2021-01-22 , DOI: 10.1007/s10894-020-00271-4
Xuebang Wu , Xiangyan Li , Yange Zhang , Yichun Xu , Wei Liu , Zhuoming Xie , Rui Liu , Guang-Nan Luo , Xiang Liu , C. S. Liu

Tungsten (W) has been considered as one of most promising candidates as plasma-facing materials in fusion reactors. However, the application of pure W is restricted due to its brittleness at room temperature and high ductile-to-brittle temperature. Much attention was paid to develop advanced W materials with a simultaneous strength and toughness enhancement over decades by introducing toughening elements, controlling the grain boundaries (GBs), specific phase boundary (PB) interface design and regulating the interface density. This paper reviews the recent advances of simulation and experiments on GB and PB interface design strategies for advanced W materials, including the GB strengthening by solute segregation, PB interface controlling by second phase nanoparticles, and fabrication of advanced W materials such as oxides or carbides dispersion strengthening W. Furthermore, the future research directions are indicated about the GB and PB interface design to improve the mechanical properties and irradiation performance for W materials.



中文翻译:

等离子饰面材料的先进钨材料界面设计与制备的最新进展

钨(W)被认为是聚变反应堆中面向等离子体的材料中最有希望的候选材料之一。但是,纯W的应用由于其在室温下的脆性和高的延性-脆性温度而受到限制。通过引入增韧元素,控制晶界(GBs),特定相界(PB)界面设计和调节界面密度,数十年来,开发具有增强的强度和韧性的同时增强强度和韧性的材料引起了人们的广泛关注。本文综述了有关高级W材料的GB和PB界面设计策略的仿真和实验的最新进展,包括通过溶质偏析增强GB,第二相纳米粒子控制PB界面,

更新日期:2021-01-22
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