Voorhees Research Group
E-mail: shahani @ u.northwestern.edu
Office: Cook 4028
B.S. Materials Science and Engineering
Ashwin Shahani studies the interfacial evolution of materials. In particular, he uses reconstructions from four-dimensional phase-contrast X-ray tomography experiments to watch the isothermal coarsening of aluminum silicon alloy in time. Computationally, he is working on developing algorithms for the automated processing of these four-dimensional data sets. He hopes to gain insight in the coarsening mechanisms in highly faceted, complex, and interconnected systems (e.g., Al-Si alloy).
Recently, Ashwin has shifted focus to the study of irregular (i.e., faceted-non-faceted) eutectic solidification in the Al-Si system. This topic is of technological importance because the eutectic reaction is the last major phase transformation during solidification, and it is therefore expected to have significant effect on final microstructure, casting defects, and mechanical properties. This investigation is made possible through the National Science Foundation Graduate Research Fellowship Program (NSF GRFP), Multidisciplinary University Research Initiative (MURI), and collaborations with Prof. Charles Bouman, Purdue University, and Xianghui Xiao, Argonne National Laboratory.
Also, Ashwin is on the board of the McCormick Graduate Leadership Council (MGLC), where he organized a science pentathlon for middle schoolers in District 65, in the spring quarters of 2013 and 2014. This event was awarded “Best Educational Outreach” from the Northwestern Graduate Leadership Council in the summer of 2013.