Phase transition, segregation and nanopore formation in high-energy heavy-ion-irradiated metallic glass
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We report elemental segregation and the formation of a nanocomposite containing a secondary amorphous phase formed along the path of an incident ion in a metallic glass (MG) irradiated with high-energy heavy ions. Electropolishing with a solution of nitric acid preferentially attacks the damaged regions along ion trajectories leaving behind 50-500 nm diameter pores. No direct crystallization is observed as a result of damage induced by a single ion, further supporting the theory that irradiation-induced crystallization of the MG is a homogeneous process. 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
author list (cited authors)
Myers, M. T., Charnvanichborikarn, S., Wei, C. C., Luo, Z. P., Xie, G. Q., Kucheyev, S. O., Lucca, D. A., & Shao, L.
complete list of authors
Myers, MT||Charnvanichborikarn, S||Wei, CC||Luo, ZP||Xie, GQ||Kucheyev, SO||Lucca, DA||Shao, L