Temperature Calibration of Sample Rods for Neutron Diffraction Apparatus in the Range of 6-473K

IF 2.7 3区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Measurement Science and Technology Pub Date : 2024-07-02 DOI:10.1088/1361-6501/ad5de0

Kai Zhang, lei Yu Su, yi Jia Zhou, dong Dong Wang, kuang Huai Ding, biao Hua Zhang

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引用次数: 0

Abstract

Internal stresses play a crucial part in determining a material's properties, which emphasizes the significance of accurate stress measurement and analysis. Neutron diffraction technology is a very promising approach to studying the complex microstructural properties of many materials, especially with the growing demand for cryogenic studies. This new device has a robust load capacity of 50 kN and works smoothly in a wide temperature range of 6 K to 473 K. Furthermore, the diffraction angle is 47 degrees broader. Regardless of the samples, we observed that a thermal balance point existed close to 180 K. Importantly, thermal resistance (TR) was eliminated by the use of an analytical method, which has an extraordinarily small error of 2%. Using this exact calibration methodology ensures that the sample temperature is accurate during the experiments. This work presents a crucial apparatus for investigating the complexity of internal stresses in materials and offers an effective method for estimating and managing sample temperatures while doing research.

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6-473K 范围内中子衍射仪器样品棒的温度校准

内应力在决定材料性能方面起着至关重要的作用，这就强调了精确应力测量和分析的重要性。中子衍射技术是研究许多材料复杂微观结构特性的一种非常有前途的方法，尤其是随着低温研究需求的不断增长。这一新设备具有 50 kN 的强大负载能力，可在 6 K 至 473 K 的宽温度范围内平稳工作。重要的是，通过使用误差极小的 2% 分析方法，消除了热阻 (TR)。使用这种精确的校准方法确保了实验过程中样品温度的准确性。这项工作为研究材料内应力的复杂性提供了一种重要的仪器，并为在研究过程中估算和管理样品温度提供了一种有效的方法。

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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来源期刊

Measurement Science and Technology 工程技术-工程：综合

CiteScore

4.30

自引率

16.70%

发文量

656

审稿时长

4.9 months

期刊介绍： Measurement Science and Technology publishes articles on new measurement techniques and associated instrumentation. Papers that describe experiments must represent an advance in measurement science or measurement technique rather than the application of established experimental technique. Bearing in mind the multidisciplinary nature of the journal, authors must provide an introduction to their work that makes clear the novelty, significance, broader relevance of their work in a measurement context and relevance to the readership of Measurement Science and Technology. All submitted articles should contain consideration of the uncertainty, precision and/or accuracy of the measurements presented. Subject coverage includes the theory, practice and application of measurement in physics, chemistry, engineering and the environmental and life sciences from inception to commercial exploitation. Publications in the journal should emphasize the novelty of reported methods, characterize them and demonstrate their performance using examples or applications.