Zobrazeno 1 - 10
of 177
pro vyhledávání: '"Shahani, A J"'
Autor:
Chao, Paul, Aramanda, Shanmukha Kiran, Xiao, Xianghui, Bottin-Rousseau, Sabine, Akamatsu, Silvère, Shahani, Ashwin J.
Publikováno v:
Acta Materialia (2024) 120314
We investigate the irregular eutectic growth dynamics of the Al-Al3Ni alloy, in which one of the solid phases (Al3Ni) grows faceted from the liquid. Leveraging in situ optical microscopy and synchrotron transmission x-ray microscopy, we address the q
Externí odkaz:
http://arxiv.org/abs/2408.14346
Autor:
Zhou, Xinyi, Chao, Paul, Sloan, Luke, Lien, Huai-Hsun, Hunter, Allen H., Misra, Amit, Shahani, Ashwin J.
Publikováno v:
Scripta Materialia 232 (2023) 115471
Al-Si alloys processed by laser rapid solidification yield eutectic microstructures with ultrafine and interconnected fibers. Such fibrous structures have long been thought to bear resemblance to those formed in impurity-doped alloys upon conventiona
Externí odkaz:
http://arxiv.org/abs/2304.03740
Publikováno v:
Acta Materialia, 118335 (2022)
We investigate solidification of an Al-Al2Cu as a model system to understand the emergence of patterns (such as lamellar, rod and maze-like) within eutectic colonies. To uncover the morphological transitions in-situ and in 3D, we introduce here a new
Externí odkaz:
http://arxiv.org/abs/2206.11667
Autor:
Gladstein, Aaron, Aramanda, Shanmukha Kiran, Shi, Lingxia, Landini, Jason, Goettsch, Jonathan, Reese, Caleb, Sahu, Bibhu, Xiao, Xianghui, Hunter, Allen, Thornton, Katsuyo, Shahani, Ashwin J., Taub, Alan I.
Publikováno v:
In Acta Materialia 15 September 2024 277
Publikováno v:
In Acta Materialia 1 August 2024 274
Publikováno v:
In Scripta Materialia 1 November 2024 252
Autor:
Han, Insung, Wang, Kelly L., Cadotte, Andrew T., Xi, Zhucong, Parsamehr, Hadi, Xiao, Xianghui, Glotzer, Sharon C., Shahani, Ashwin J.
Quasicrystals exhibit long-range order but lack translational symmetry. When grown as single crystals, they possess distinctive and unusual properties owing to the absence of grain boundaries. Unfortunately, conventional methods such as bulk crystal
Externí odkaz:
http://arxiv.org/abs/2106.14074
Autor:
Lindemann, George R., Chao, Paul, Nikitin, Viktor, De Andrade, Vincent, De Graef, Marc, Shahani, Ashwin J.
Publikováno v:
In Acta Materialia 1 March 2024 266
Autor:
Shalloo, R. J., Dann, S. J. D., Gruse, J. -N., Underwood, C. I. D., Antoine, A. F., Arran, C., Backhouse, M., Baird, C. D., Balcazar, M. D., Bourgeois, N., Cardarelli, J. A., Hatfield, P., Kang, J., Krushelnick, K., Mangles, S. P. D., Murphy, C. D., Lu, N., Osterhoff, J., Põder, K., Rajeev, P. P., Ridgers, C. P., Rozario, S., Selwood, M. P., Shahani, A. J., Symes, D. R., Thomas, A. G. R., Thornton, C., Najmudin, Z., Streeter, M. J. V.
Laser wakefield accelerators promise to revolutionise many areas of accelerator science. However, one of the greatest challenges to their widespread adoption is the difficulty in control and optimisation of the accelerator outputs due to coupling bet
Externí odkaz:
http://arxiv.org/abs/2007.14340
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