Validation of Bragg edge experiments by Monte Carlo simulations for quantitative texture analysis

Validation of Bragg edge experiments by Monte Carlo simulations for quantitative texture analysis
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通过蒙特卡罗模拟验证布拉格边缘实验以进行定量纹理分析

DOI:
10.1107/s0021889811025970
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发表时间:
2011
影响因子:
6.1
通讯作者:
R. Wimpory
R. Wimpory
中科院分区:
材料科学3区
文献类型:
--
作者:
M. Boin;A. Hilger;N. Kardjilov;S. Y. Zhang;E. Oliver;J. James;C. Randau;R. Wimpory

文献摘要

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在中子传输实验中分辨波长的能力为研究晶体结构和性质开辟了广泛的应用领域。本文将布拉格边缘透射法应用于圆柱形铝试件织构的研究。这种方法的可行性是这项工作的主要重点;因此,用中子衍射法进行了常规的极图测量,为评价传输结果提供了参考数据。此外,还开发了蒙特卡罗模拟来模拟实验条件,并允许研究仪器的影响。对结果进行了比较,并从定量的角度进行了讨论 纹理分析。
The ability to resolve the wavelength in neutron transmission experiments has opened up a wide range of applications investigating crystallographic structures and properties. The investigations presented in this paper apply the Bragg edge transmission technique to the study of texture in a cylindrical aluminium specimen. The feasibility of this method is the main focus of this work; hence, conventional pole-figure measurements have been conducted with neutron diffraction to provide reference data for the evaluation of the transmission results. Furthermore, a Monte Carlo simulation has been developed to emulate the experimental conditions and allow investigations of instrument effects. The results have been compared and are discussed with respect to quantitative texture analysis.