含氢镀镍锆合金的相组成和气体演化的原位温度依赖评价

IF 3.2 2区工程技术 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Nuclear Materials Pub Date : 2025-07-22 DOI:10.1016/j.jnucmat.2025.156051

Jose Marcial, Michaella S. Harris, Dushyant Barpaga, Jian Liu, Jarrod V. Crum, Walter G. Luscher, Andrew Casella, David Senor, Joshua A. Silverstein

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引用次数: 0

摘要

一些作者研究了亚稳γ -氢化锆的转变动力学。在这项工作中，我们评估了γ - zrh在氢与锆原子比接近1的载氢镀镍锆-4样品中的转化动力学。通过高温x射线衍射（XRD）对样品进行原位分析，并使用配备质谱仪（TGA-DSC-MS）的热重分析仪器测量了转化动力学与氢气出气程度的相关性。通过配质谱仪（HS-XRD- ms），验证了原位高温热段XRD （HS-XRD）与TGA-MS的相关性。最后，利用电子背散射衍射（EBSD）扫描电子显微镜了解热循环前的内在微观结构，并通过HS-XRD验证观察到的晶相组合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

In-situ temperature-dependent evaluation of phase makeup and gas evolution of hydrogen-loaded Ni-plated Zircaloy-4

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In-situ temperature-dependent evaluation of phase makeup and gas evolution of hydrogen-loaded Ni-plated Zircaloy-4

The transformation kinetics of metastable gamma-zirconium hydride has been investigated by several authors. In this work, we evaluate the transformation kinetics of gamma-ZrH within hydrogen loaded, nickel-plated Zircaloy-4 samples containing a hydrogen to zirconium atom ratio near 1. Samples were analyzed in-situ via high temperature X-ray diffraction (XRD) and the transformation kinetics were correlated to the degree of hydrogen out-gassing measured using a thermogravimetric analysis instrument outfitted with a mass spectrometer (TGA-DSC-MS). The correlation of in-situ high temperature hot-stage XRD (HS-XRD) and TGA-MS was verified by outfitting the HS-XRD with a mass spectrometer (HS-XRD-MS). Lastly, scanning electron microscopy equipped with electron backscatter diffraction (EBSD) was utilized to understand the inherent microstructures prior to thermal cycling as well as to verify the crystalline phase assemblage observed via HS-XRD.

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来源期刊

Journal of Nuclear Materials 工程技术-材料科学：综合

CiteScore

5.70

自引率

25.80%

发文量

601

审稿时长

63 days

期刊介绍： The Journal of Nuclear Materials publishes high quality papers in materials research for nuclear applications, primarily fission reactors, fusion reactors, and similar environments including radiation areas of charged particle accelerators. Both original research and critical review papers covering experimental, theoretical, and computational aspects of either fundamental or applied nature are welcome. The breadth of the field is such that a wide range of processes and properties in the field of materials science and engineering is of interest to the readership, spanning atom-scale processes, microstructures, thermodynamics, mechanical properties, physical properties, and corrosion, for example. Topics covered by JNM Fission reactor materials, including fuels, cladding, core structures, pressure vessels, coolant interactions with materials, moderator and control components, fission product behavior. Materials aspects of the entire fuel cycle. Materials aspects of the actinides and their compounds. Performance of nuclear waste materials; materials aspects of the immobilization of wastes. Fusion reactor materials, including first walls, blankets, insulators and magnets. Neutron and charged particle radiation effects in materials, including defects, transmutations, microstructures, phase changes and macroscopic properties. Interaction of plasmas, ion beams, electron beams and electromagnetic radiation with materials relevant to nuclear systems.