Journal Article

FZJ-2021-02723

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Indentation testing on 3 MeV proton irradiated tungsten

Rayaprolu, R. (Corresponding author)FZJ* ; Möller, S.FZJ* ; Abernethy, R. ; Rasinski, M.FZJ* ; Haley, J. C. ; Linsmeier, C.FZJ*

2020
Elsevier Amsterdam [u.a.]

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Please use a persistent id in citations: http://hdl.handle.net/2128/28007  doi:10.1016/j.nme.2020.100776

Abstract: Tungsten samples have been irradiated with 3 MeV protons with dose rates of to dpa/s to doses of 0.01–0.67 dpa at 360 K in a pilot experiment. Micro- and macro-indentation were used to measure irradiation hardening in the samples. An initial irradiation hardening of 1.23 ± 0.09 GPa and 1.88 ± 0.83 GPa was measured by micro and macro indentation. The irradiation hardening was observed to saturate at 0.03 dpa damage. Dislocation loops were identified using TEM suggesting an increasing loop size with dose.

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Contributing Institute(s):

1. Plasmaphysik (IEK-4)
2. Werkstoffsynthese und Herstellungsverfahren (IEK-1)

Research Program(s):

1. 134 - Plasma-Wand-Wechselwirkung (POF4-134) (POF4-134)

Appears in the scientific report 2021

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