通过实验室衍射对比断层扫描分析单晶镍基超级合金的三维镶嵌性

IF 5.3 2区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Alexiane Arnaud , Jun Sun , Florian Bachmann , Vladimir Esin , Henry Proudhon
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引用次数: 0

摘要

利用实验室 X 射线衍射对比层析成像(实验室 DCT)分析了第二代单晶镍基超合金 René N5 的三维微观结构。这项实验证明了基于实验室的 DCT 的精确能力,它可以解析方向偏差角度小于 1°的亚晶粒边界,角度精度可以达到 0.1°。实验室 DCT 的性能已与广泛使用的标准电子反向散射衍射 (EBSD) 分析进行了比较。通过非破坏性地获取三维微观结构,可以对镍基单晶枝晶网络进行分割,为研究晶体镶嵌性提供了新的机会。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

3D mosaicity of a single-crystal nickel-based superalloy by lab-based diffraction contrast tomography

3D mosaicity of a single-crystal nickel-based superalloy by lab-based diffraction contrast tomography
The 3D microstructure of a second-generation single-crystal nickel-based superalloy, René N5, has been analyzed using laboratory-based X-ray diffraction contrast tomography (lab-based DCT). This experiment has demonstrated the precise capabilities of lab-based DCT in resolving subgrain boundaries with a misorientation angle of less than 1°, achieving an angular accuracy as fine as 0.1°. The performance of the lab-based DCT has been compared with standard and widely used electron backscatter diffraction (EBSD) analysis. Obtaining the 3D microstructure non-destructively enabled the segmentation of the network of nickel-based single-crystal dendrites, opening up new opportunities for studying crystal mosaicity.
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来源期刊
Scripta Materialia
Scripta Materialia 工程技术-材料科学:综合
CiteScore
11.40
自引率
5.00%
发文量
581
审稿时长
34 days
期刊介绍: Scripta Materialia is a LETTERS journal of Acta Materialia, providing a forum for the rapid publication of short communications on the relationship between the structure and the properties of inorganic materials. The emphasis is on originality rather than incremental research. Short reports on the development of materials with novel or substantially improved properties are also welcomed. Emphasis is on either the functional or mechanical behavior of metals, ceramics and semiconductors at all length scales.
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