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相关实验视频

Updated: Jul 27, 2025

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

工具用于自动对合金的 EBSD 数据集进行宏观区特征识别.

B Fernández Silva¹, M Jackson¹, K Fox²

¹Department of Material Science and Engineering, University of Sheffield, Sheffield S1 3JD, United Kingdom.

Journal of applied crystallography

|June 7, 2023

概括

一个新的MATLAB工具使用精细的晶体学定向分析自动识别造件中的宏观区域. 这有助于更好地描述微纹理异质性,影响燃气轮机发动机组件的疲劳性能.

关键词:

标志性特征的描述.晶体误导定向的标准是什么电子背散散射的折射差异是电子的背散散射.宏观地区 (MacroZones) 是一个宏观区域.质地质地质地合金是一种合金.

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Surrogate Model Development for Digital Experiments in Welding

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Last Updated: Jul 27, 2025

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

$Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction$

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Published on: April 1, 2017

Surrogate Model Development for Digital Experiments in Welding

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Published on: March 28, 2025

科学领域:

材料科学材料科学材料科学
金工业是一种金工业.
晶体学晶体学是指结晶学.

背景情况:

由于热力机械加工,微纹理异质,称为宏区域,在造件中普遍存在.
这些宏观区域的特点是具有相似晶体方向的颗粒,降低了对裂传播的抵抗力.
在燃气轮机发动机组件中,宏观区域与降低冷停疲劳性能之间存在联系.

研究的目的:

开发和应用一种计算工具,用于从电子反射散射衍射 (EBSD) 数据中自动识别宏区域.
实施一种更保守的方法,考虑c轴倾斜和旋转.
为了增强在造品中微纹理异质性的表征.

主要方法:

开发一种基于MATLAB的计算工具,用于宏观区域识别.
使用EBSD数据集进行纹理分析.
应用基于误导角度和密度分数的标准来检测宏观区域.

主要成果:

在造品中成功地自动识别了宏观区域.
使用极形图形图表验证聚类效率.
证明该工具对等轴和双模微结构的适用性.

结论:

开发的计算工具为宏观区域识别提供了一种有效的方法.
保守的方法改善了宏观区域边界的定义和迷失方向的传播.
该工具有助于理解和减轻宏观区域对疲劳性能的影响.