非等原子 AlNbMoZrB 高熵合金的辐照损伤行为

IF 4.8 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Progress in Natural Science: Materials International Pub Date : 2024-01-22 DOI:10.1016/j.pnsc.2023.12.019

Sheng Wang, Caixia Jiang, Hucheng Pan, Hongyu Shang, Tong Fu, Dongsheng Xie, Changqing Teng, Wei Zhang, Yu Wu, Lu Wu

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引用次数: 0

摘要

本研究开发了非等原子 AlNb2MoZr0.75B0.05高熵合金（HEA），并在 Kr + 离子下进行了辐照。表征结果表明，AlNb2MoZr0.75B0.05 样品具有较大的晶格畸变和良好的微观结构稳定性，这有助于实现高强度和高抗辐照性能。对辐照后的 AlNb2MoZr0.75B0.05 样品进行的相分析表明，枝晶区保持了 BCC 结构，而枝晶间区的 Zr5Al3 型相发生了非晶化，并详细描述了 AlNbMoZrB HEA 中裂变气体 Kr 的行为。此外，在辐照的含 B HEA 样品中还检测到 1/2<111> 和 <100>位错环。相关结果可为设计其他具有综合功能和结构特性的高性能 HEA 提供启示。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Irradiation damage behavior of the non-equal atomic AlNbMoZrB high-entropy alloy

In this work, the non-equal atomic AlNb₂MoZr_0.75B_0.05 high entropy alloy (HEA) was developed and irradiated under Kr ⁺ ions. Characterization results show that the AlNb₂MoZr_0.75B_0.05 sample exhibits a large lattice distortion and good microstructure stability, which can contribute to both high strength and high irradiation resistance. The phase analysis for as-irradiated AlNb₂MoZr_0.75B_0.05 sample shows that dendrites region maintains the BCC structure, while the Zr₅Al₃-typed phases in interdendrite region are amorphized, and the behavior of fission gases Kr in AlNbMoZrB HEA is described in detail. Besides, both 1/2<111> and <100> dislocation loops are detected in irradiated B-containing HEA sample. The relevant results can shed light on designing other high-performance HEAs with integrated functional and structural properties.

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来源期刊

Progress in Natural Science: Materials International 综合性期刊-综合性期刊

CiteScore

8.60

自引率

2.10%

发文量

2812

审稿时长

49 days

期刊介绍： Progress in Natural Science: Materials International provides scientists and engineers throughout the world with a central vehicle for the exchange and dissemination of basic theoretical studies and applied research of advanced materials. The emphasis is placed on original research, both analytical and experimental, which is of permanent interest to engineers and scientists, covering all aspects of new materials and technologies, such as, energy and environmental materials; advanced structural materials; advanced transportation materials, functional and electronic materials; nano-scale and amorphous materials; health and biological materials; materials modeling and simulation; materials characterization; and so on. The latest research achievements and innovative papers in basic theoretical studies and applied research of material science will be carefully selected and promptly reported. Thus, the aim of this Journal is to serve the global materials science and technology community with the latest research findings. As a service to readers, an international bibliography of recent publications in advanced materials is published bimonthly.