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Title: Ballistic effects on the copper precipitation and re-dissolution kinetics in an ion irradiated and thermally annealed Fe–Cu alloy

Authors:
; ; ; ;
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1324367
Grant/Contract Number:
FG02- 04GR54750; Office of Nuclear Energy, Nuclear Energy Enabling Technologies, Reactor Materials program
Resource Type:
Journal Article: Publisher's Accepted Manuscript
Journal Name:
Journal of Chemical Physics
Additional Journal Information:
Journal Volume: 145; Journal Issue: 10; Related Information: CHORUS Timestamp: 2016-12-25 21:12:31; Journal ID: ISSN 0021-9606
Publisher:
American Institute of Physics
Country of Publication:
United States
Language:
English

Citation Formats

Xu, Donghua, Certain, Alicia, Lee Voigt, Hyon-Jee, Allen, Todd, and Wirth, Brian D. Ballistic effects on the copper precipitation and re-dissolution kinetics in an ion irradiated and thermally annealed Fe–Cu alloy. United States: N. p., 2016. Web. doi:10.1063/1.4962345.
Xu, Donghua, Certain, Alicia, Lee Voigt, Hyon-Jee, Allen, Todd, & Wirth, Brian D. Ballistic effects on the copper precipitation and re-dissolution kinetics in an ion irradiated and thermally annealed Fe–Cu alloy. United States. doi:10.1063/1.4962345.
Xu, Donghua, Certain, Alicia, Lee Voigt, Hyon-Jee, Allen, Todd, and Wirth, Brian D. 2016. "Ballistic effects on the copper precipitation and re-dissolution kinetics in an ion irradiated and thermally annealed Fe–Cu alloy". United States. doi:10.1063/1.4962345.
@article{osti_1324367,
title = {Ballistic effects on the copper precipitation and re-dissolution kinetics in an ion irradiated and thermally annealed Fe–Cu alloy},
author = {Xu, Donghua and Certain, Alicia and Lee Voigt, Hyon-Jee and Allen, Todd and Wirth, Brian D.},
abstractNote = {},
doi = {10.1063/1.4962345},
journal = {Journal of Chemical Physics},
number = 10,
volume = 145,
place = {United States},
year = 2016,
month = 9
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1063/1.4962345

Citation Metrics:
Cited by: 1work
Citation information provided by
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  • A radiometric method employing a Co/sup 58/ tracer and double neutron irradiation was developed to determine the partial rates of dissolution of the components of copper-nickel alloys. The applicability of the ..gamma..-isotope of Co/sup 58/ as a foreign tracer for nickel is demonstrated in the anodic dissolution and corrosion of alloy Cu30Ni by comparative measurements with isotopes Ni/sup 65/ and Co/sup 58/. The isotopes Co/sup 58/ and Cu/sup 64/ were used to obtain partial anodic polarization curves of the dissolution of nickel and copper from alloy Cu30Ni in 1 N H/sub 2/SO/sub 4/ under galvanometric conditions. The curves are linear,more » have a Tafel slope of about 0.04 V, and lie in the region of dissolution of pure copper. Under steady-state conditions, alloy Cu30Ni dissolves uniformly (z/sub Ni/ = 1). Meanwhile, dissolution is determined by the behavior of the copper component. Under nonsteady conditions (E = 0.05 V), nickel is dissolved selectively from the alloy.« less
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  • Precipitation processes under neutron irradiation are of great interest, of course, because of their importance in nuclear industry but, also, from a theoretical point of view. In this scope, prediction and modelling of the property changes of pressure vessel steels under irradiation require a more in depth knowledge of the microstructural evolution; structural and compositional features of formed precipitates being key parameters. One of the main advantages of the new generation of atom probe that was recently developed, namely the Tomographic Atom Probe (TAP), is that a three-dimensional observation of the spatial distribution of solutes (Cu) can be achieved onmore » a near atomic scale. In this work, the very first three-dimensional (3D) images of neutron irradiated FeCu alloys provided by this new apparatus are presented and discussed. These 3D-reconstructions give for the first time, a direct observation of irradiation induced precipitated particles in these model alloys on a subnanometer scale.« less
  • The formation of ‘cleared’ channels in neutron irradiated metals and alloys have been frequently reported for more than 40 years. So far, however, no unambiguous and conclusive evidence showing as to how and where these channels are initiated has emerged. In the following we present experimental results illustrating initiation and propagation of channels during post-irradiation deformation of neutron irradiated copper and a copper alloy. The observations strongly suggest that the channels are initiated at boundaries, large inclusions and even at previously formed cleared channels. Some of the channels have been observed to penetrate through both the twin boundaries and grainmore » boundaries. It is argued that the high stress level reached during post-irradiation tensile tests activate dislocation sources at the sites of stress concentrations at boundaries and interfaces. The propagation of these newly generated dislocations in the matrix causes the formation of cleared channels. Implications of these results are discussed with specific reference to the origin and consequences of plastic flow localization.« less