Data-driven approach for synchrotron X-ray Laue microdiffraction scan analysis

Area of Science:

• Materials Science
• Crystallography
• Data Science

Background:

• Synchrotron Laue X-ray microdiffraction is crucial for materials characterization.
• Conventional analysis relies on slow, pattern-by-pattern crystal indexing.
• Limitations exist in analyzing complex polycrystalline and multiphase materials.

Purpose of the Study:

• To develop a novel, data-driven approach for analyzing X-ray microdiffraction scans.
• To implement a machine learning pipeline for faster and more efficient data interpretation.
• To provide an alternative to conventional crystal indexing methods.

Main Methods:

• Formulating a machine learning algorithm for analyzing 2D X-ray diffraction patterns.
• Developing a computational pipeline for synchrotron beamline implementation.
• Utilizing examples of polycrystalline BaTiO3, transforming alloys, and twinned martensite for validation.

Main Results:

• Demonstrated a novel machine learning-based method for X-ray diffraction data analysis.
• Successfully implemented the computational pipeline at a synchrotron beamline.
• Showcased the method's applicability to diverse material systems.

Conclusions:

• The proposed machine learning approach offers a faster alternative to traditional X-ray diffraction analysis.
• This work opens new avenues for machine learning applications in diffraction data interpretation.
• Further research into feature extraction, clustering, and labeling algorithms is motivated.