The Michigan Engineer News Center

Aerospace Engineering Ph.D. student Iman Javaheri wins Structural Materials Division Best Poster Award

Iman Javaheri, Aerospace Engineering Ph.D. student, presents award-winning poster at TMS Annual Meeting and Exhibition | Short Read
Enlarge"Markov Random Field Approach for Three-Dimensional Microstructure Reconstruction"
IMAGE:  Iman Javaheri's award-winning poster, "Markov Random Field Approach for Three-Dimensional Microstructure Reconstruction"

Congratulations to Aerospace Engineering Ph.D. student Iman Javaheri, whose presentation entitled, “Markov Random Field Approach for Three-Dimensional Microstructure Reconstruction,” received the Structural Materials Division Best Poster Award at the 2018 Minerals, Metals & Materials (TMS) Annual Meeting and Exhibition.

The award-winning poster focuses on Javaheri’s research on microstructural mapping in numerical testing of advanced aerospace alloys. Although microstructural features of aerospace alloys such as Al-Li and Ti-Al play a critical role in those materials’ successful design and use, they are often neglected by routine engineering analysis. Javaheri has chosen to address this issue in his research, which “aims to significantly reduce the time and budget needed to acquire well-characterized 3D microstructural information of materials at engineering component-scales.”

Iman Javaheri received his Bachelor’s degree with highest distinction in Mechanical Engineering from the University of Utah in May 2017. At the University of Michigan, he has just concluded his first year of Ph.D. studies in the Multi-Scale Structural Simulations Laboratory (MSSL). Under the advisement of Aerospace Engineering Professor Veera Sundararaghavan, Javaheri researches the development of computational tools to synthetically generate large-scale, three-dimensional microstructures based on experimental imaging.

In addition to the Structural Materials Division Best Poster Award, Javaheri is also the recipient of a National Science Foundation Graduate Research Fellowship (NSF GRFP) and of the UM Rackham Merit Fellowship.

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The electrons absorb laser light and set up “momentum combs” (the hills) spanning the energy valleys within the material (the red line). When the electrons have an energy allowed by the quantum mechanical structure of the material—and also touch the edge of the valley—they emit light. This is why some teeth of the combs are bright and some are dark. By measuring the emitted light and precisely locating its source, the research mapped out the energy valleys in a 2D crystal of tungsten diselenide. Credit: Markus Borsch, Quantum Science Theory Lab, University of Michigan.

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