Chemical variation induced nanoscale spatial heterogeneity in metallic glasses
Abstract
Metallic glasses possess amorphous structures with inherent heterogeneity at the nanoscale. A combined experimental and modeling investigation to elucidate the chemical effect on such nanoscale heterogeneity in a Cu-Zr-Al metallic glass system is conducted. By using the dynamic atomic force microscopy, we reveal a reduction of the nanoscale spatial heterogeneity in the local viscoelastic response after introducing Al into the Cu50Zr50 metallic glass. The change of such nanoscale heterogeneity can be contributed to the variation of local atomic structures. The addition of Al increases the population of the icosahedral short-range ordered clusters, thus reducing the structural heterogeneity at the nanoscale.
- Authors:
-
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
- Institute of Physics, Chinese Academy of Sciences, Beijing People’s Republic of China
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); Univ. of California, Oakland, CA (United States); Univ. of Alabama, Tuscaloosa, AL (United States); Univ. of Alabama, Birmingham, AL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1483320
- Alternate Identifier(s):
- OSTI ID: 1543917; OSTI ID: 1595009
- Grant/Contract Number:
- SC0016164; AC02-05CH11231
- Resource Type:
- Published Article
- Journal Name:
- Materials Research Letters
- Additional Journal Information:
- Journal Name: Materials Research Letters Journal Volume: 6 Journal Issue: 12; Journal ID: ISSN 2166-3831
- Publisher:
- Informa UK Limited
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Materials Science; metallic glass; spatial heterogeneity; chemical variation; dynamic force microscopy; nanoscale
Citation Formats
Wang, Neng, Ding, Jun, Luo, Peng, Liu, Yanhui, Li, Lin, and Yan, Feng. Chemical variation induced nanoscale spatial heterogeneity in metallic glasses. United Kingdom: N. p., 2018.
Web. doi:10.1080/21663831.2018.1532465.
Wang, Neng, Ding, Jun, Luo, Peng, Liu, Yanhui, Li, Lin, & Yan, Feng. Chemical variation induced nanoscale spatial heterogeneity in metallic glasses. United Kingdom. https://doi.org/10.1080/21663831.2018.1532465
Wang, Neng, Ding, Jun, Luo, Peng, Liu, Yanhui, Li, Lin, and Yan, Feng. Mon .
"Chemical variation induced nanoscale spatial heterogeneity in metallic glasses". United Kingdom. https://doi.org/10.1080/21663831.2018.1532465.
@article{osti_1483320,
title = {Chemical variation induced nanoscale spatial heterogeneity in metallic glasses},
author = {Wang, Neng and Ding, Jun and Luo, Peng and Liu, Yanhui and Li, Lin and Yan, Feng},
abstractNote = {Metallic glasses possess amorphous structures with inherent heterogeneity at the nanoscale. A combined experimental and modeling investigation to elucidate the chemical effect on such nanoscale heterogeneity in a Cu-Zr-Al metallic glass system is conducted. By using the dynamic atomic force microscopy, we reveal a reduction of the nanoscale spatial heterogeneity in the local viscoelastic response after introducing Al into the Cu50Zr50 metallic glass. The change of such nanoscale heterogeneity can be contributed to the variation of local atomic structures. The addition of Al increases the population of the icosahedral short-range ordered clusters, thus reducing the structural heterogeneity at the nanoscale.},
doi = {10.1080/21663831.2018.1532465},
journal = {Materials Research Letters},
number = 12,
volume = 6,
place = {United Kingdom},
year = {Mon Oct 15 00:00:00 EDT 2018},
month = {Mon Oct 15 00:00:00 EDT 2018}
}
https://doi.org/10.1080/21663831.2018.1532465
Web of Science
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Works referencing / citing this record:
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