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Transient grating spectroscopy of thermal diffusivity degradation in deuterium implanted tungsten

Abstract:

Using transient grating spectroscopy, we measure thermal diffusivity and surface acoustic wave speed in tungsten exposed to different fluences of deuterium plasma. Scanning electron microscopy (SEM) shows the formation of surface blisters that have similar morphology for all fluences considered. A significant reduction in thermal diffusivity and surface acoustic wave speed occurs as a result of plasma exposure. A saturation of the thermal diffusivity reduction with fluence is seen. Deuterium ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.scriptamat.2019.08.014

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
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Name:
European Commission
Grant:
714697
Publisher:
Elsevier
Journal:
Scripta Materialia More from this journal
Volume:
174
Pages:
6-10
Publication date:
2019-08-26
Acceptance date:
2019-08-10
DOI:
ISSN:
1359-6462
Language:
English
Keywords:
Pubs id:
pubs:1042635
UUID:
uuid:faec36fd-69f8-4071-b19c-560e90ffee99
Local pid:
pubs:1042635
Source identifiers:
1042635
Deposit date:
2019-08-12

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