Impact of alloy composition on one-dimensional glide of small dislocation loops in concentrated solid solution alloys
Abstract
One-dimensional glide of loops during ion irradiation at 773 K in a series of Ni-containing concentrated solid solution alloys has been observed directly during experiments conducted inside a transmission electron microscope. It was found that the frequency of the oscillatory motion of the loop, the loop glide velocity as well as the loop jump distance were dependent on the composition of the alloy and the size of the loop. Loop glide was most common for small loops and occurred more frequently in the less complex alloys, being highest in Ni, then NiCo, NiFe and NiCoFeCr. As a result, no measurable loop glide occurred in the NiCoCr, NiCoFeCrMn and NiCoFeCrPd alloys.
- Authors:
-
- Univ. of Wisconsin, Madison, WI (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Energy Frontier Research Centers (EFRC) (United States). Energy Dissipation to Defect Evolution (EDDE)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1366401
- Alternate Identifier(s):
- OSTI ID: 1550158
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing
- Additional Journal Information:
- Journal Volume: 700; Journal Issue: C; Journal ID: ISSN 0921-5093
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; loop glide; concentrated solid solution alloys; ion irradiation; transmission electron microscopy
Citation Formats
Shi, Shi, Bei, Hongbin, and Robertson, Ian M. Impact of alloy composition on one-dimensional glide of small dislocation loops in concentrated solid solution alloys. United States: N. p., 2017.
Web. doi:10.1016/j.msea.2017.05.049.
Shi, Shi, Bei, Hongbin, & Robertson, Ian M. Impact of alloy composition on one-dimensional glide of small dislocation loops in concentrated solid solution alloys. United States. https://doi.org/10.1016/j.msea.2017.05.049
Shi, Shi, Bei, Hongbin, and Robertson, Ian M. Thu .
"Impact of alloy composition on one-dimensional glide of small dislocation loops in concentrated solid solution alloys". United States. https://doi.org/10.1016/j.msea.2017.05.049. https://www.osti.gov/servlets/purl/1366401.
@article{osti_1366401,
title = {Impact of alloy composition on one-dimensional glide of small dislocation loops in concentrated solid solution alloys},
author = {Shi, Shi and Bei, Hongbin and Robertson, Ian M.},
abstractNote = {One-dimensional glide of loops during ion irradiation at 773 K in a series of Ni-containing concentrated solid solution alloys has been observed directly during experiments conducted inside a transmission electron microscope. It was found that the frequency of the oscillatory motion of the loop, the loop glide velocity as well as the loop jump distance were dependent on the composition of the alloy and the size of the loop. Loop glide was most common for small loops and occurred more frequently in the less complex alloys, being highest in Ni, then NiCo, NiFe and NiCoFeCr. As a result, no measurable loop glide occurred in the NiCoCr, NiCoFeCrMn and NiCoFeCrPd alloys.},
doi = {10.1016/j.msea.2017.05.049},
journal = {Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing},
number = C,
volume = 700,
place = {United States},
year = {Thu Jun 08 00:00:00 EDT 2017},
month = {Thu Jun 08 00:00:00 EDT 2017}
}
Web of Science
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