Gazing at crystal balls: Electron backscatter diffraction pattern analysis and cross correlation on the sphere
Gazing at crystal balls: Electron backscatter diffraction pattern analysis and cross correlation on the sphere
复制标题
DOI：
10.1016/j.ultramic.2019.112836
复制
发表时间：
2019-12-01
期刊：
影响因子：
2.2
通讯作者：
Britton, Thomas Benjamin
中科院分区：
文献类型：
--
作者：
Hielscher, Ralf;Bartel, Felix;Britton, Thomas Benjamin
我们用两种新算法对电子背散射衍射(EBSD)图样进行了球面分析：(1)用球面Radon变换进行能带局部化和能带轮廓分析；(2)用球面互相关确定取向。这些新方法是正式引入的，它们的准确性是使用动态模拟模式来确定的。我们用从铁素体铁中获得的实验数据集来演示它们的有效性。我们的结果表明，对球体上EBSD图案的分析提供了一种从这些丰富的结晶学数据来源中揭示信息的优雅方法。
We present spherical analysis of electron backscatter diffraction (EBSD) patterns with two new algorithms: (1) band localisation and band profile analysis using the spherical Radon transform; (2) orientation determination using spherical cross correlation. These new approaches are formally introduced and their accuracies are determined using dynamically simulated patterns. We demonstrate their utility with an experimental dataset obtained from ferritic iron. Our results indicate that the analysis of EBSD patterns on the sphere provides an elegant method of revealing information from these rich sources of crystallographic data.