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Multimodal Characterization of AA 2099 Aluminum Alloy Using 4D-STEM and EDX

A comprehensive study demonstrating how combined 4D-STEM and EDX techniques provide detailed insights into the microstructural evolution of high-strength Al–Li alloys.

Understanding the impact of microstructure on mechanical properties is essential for optimizing high-performance aluminum alloys in aerospace and transportation applications. This new application note demonstrates how the Tescan TENSOR analytical STEM microscope enables multimodal characterization in a single workflow. By combining high-resolution imaging, compositional mapping, and structural analysis, you can gain a complete picture of phase distribution and composition. See how beam precession enhanced 4D-STEM simplifies phase identification and delivers actionable insight into alloy strengthening mechanisms.

Key takeaways:

  • User-friendly analytical STEM workflows for advanced materials characterization 

  • High-quality 4D-STEM data with integrated beam precession and direct detection 

  • Accurate identification of precipitate phases such as θ′ Al₂Cu, δ′ Al₃Li, and T1 Al₂CuLi 

  • Automated microscope alignment and data processing within the Explore™ software

Download the Application Note

Get the full dataset and workflow insights into multimodal STEM characterization of AA 2099 alloy.

App note Tescan tensor

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