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Effects of sequential tungsten and helium ion implantation on nano-indentation hardness of tungsten

Abstract:

To simulate neutron and helium damage in a fusion reactor first wall sequential self-ion implantation up to 13 dpa followed by helium-ion implantation up to 3000 appm was performed to produce damaged layers of ∼2 μm depth in pure tungsten. The hardness of these layers was measured using nanoindentation and was studied using transmission electron microscopy. Substantial hardness increases were seen in helium implanted regions, with smaller hardness increases in regions which had already been s...

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Publication status:
Published
Peer review status:
Peer reviewed

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Files:
Publisher copy:
10.1063/1.4811825

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
Publisher:
AIP Publishing
Journal:
Applied Physics Letters More from this journal
Volume:
102
Issue:
25
Pages:
251901-251901
Publication date:
2013-06-24
Acceptance date:
2013-06-07
DOI:
ISSN:
0003-6951
Keywords:
Pubs id:
pubs:415392
UUID:
uuid:23ab7cb5-013f-4095-bee6-d14b5dca7ee4
Local pid:
pubs:415392
Source identifiers:
415392
Deposit date:
2013-11-16

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