@article{04221546952f43b3888d27ab694b62a5,
title = "Experimental evidence that shear bands in metallic glasses nucleate like cracks",
abstract = "Highly time-resolved mechanical measurements, modeling, and simulations show that large shear bands in bulk metallic glasses nucleate in a manner similar to cracks. When small slips reach a nucleation size, the dynamics changes and the shear band rapidly grows to span the entire sample. Smaller nucleation sizes imply lower ductility. Ductility can be increased by increasing the nucleation size relative to the maximum (“cutoff”) shear band size at the upper edge of the power law scaling range of their size distribution. This can be achieved in three ways: (1) by increasing the nucleation size beyond this cutoff size of the shear bands, (2) by keeping all shear bands smaller than the nucleation size, or (3) by choosing a sample size smaller than the nucleation size. The discussed methods can also be used to rapidly order metallic glasses according to ductility.",
author = "Long, {Alan A.} and Wright, {Wendelin J.} and Xiaojun Gu and Anna Thackray and Mayisha Nakib and Uhl, {Jonathan T.} and Dahmen, {Karin A.}",
note = "Funding Information: We thank Will McFaul, Mo Sheikh, Nic Argibay, Mike Chandross, Andrew Kustas, and Shuyi Zhang for helpful conversations. We gratefully acknowledge support from NSF CBET 1336634 (KD), NSF DMR 1042734 (WJW), and the Heinemann Family Professorship at Bucknell University (WJW). WJW and KAD also thank the Kavli Institute for Theoretical Physics for hospitality and support under NSF PHY17-48958. Funding Information: We thank Will McFaul, Mo Sheikh, Nic Argibay, Mike Chandross, Andrew Kustas, and Shuyi Zhang for helpful conversations. We gratefully acknowledge support from NSF CBET 1336634 (KD), NSF DMR 1042734 (WJW), and the Heinemann Family Professorship at Bucknell University (WJW). WJW and KAD also thank the Kavli Institute for Theoretical Physics for hospitality and support under NSF PHY17-48958. Publisher Copyright: {\textcopyright} 2022, The Author(s).",
year = "2022",
month = dec,
doi = "10.1038/s41598-022-22548-8",
language = "English (US)",
volume = "12",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",
number = "1",
}