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Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus

In this work, damage results of four 12 mm × 12 mm × 5 mm PLANSEE double forged tungsten target samples exposed in INTI PF device at different distances from anode operating in the fast focus mode at 12 kV, 2.5 Torr deuterium are presented. SEM and EDX images and analysis show the extent of damage o...

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Main Authors: Damideh, Vahid*, Lee, S.*, Saw, S. H., Jalil, Ali, Rawat, R. S., Lee, P.
Format: Article
Published: Elsevier 2017
Subjects:
QC Physics
Online Access:http://eprints.intimal.edu.my/883/
https://doi.org/10.1016/j.vacuum.2017.07.002
https://doi.org/10.1016/j.vacuum.2017.07.002
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spelling my-inti-eprints.8832017-09-08T03:44:03Z http://eprints.intimal.edu.my/883/ Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus Damideh, Vahid* Lee, S.* Saw, S. H. Jalil, Ali Rawat, R. S. Lee, P. QC Physics In this work, damage results of four 12 mm × 12 mm × 5 mm PLANSEE double forged tungsten target samples exposed in INTI PF device at different distances from anode operating in the fast focus mode at 12 kV, 2.5 Torr deuterium are presented. SEM and EDX images and analysis show the extent of damage on the exposed tungsten surface. Micro-cracks up to 300 nm and 500 nm to 5 μm holes together with signs of melting are found on the tungsten exposed surfaces depending on their distances from the anode top. Current waveforms fitting using Lee Model Code show yields of 3 × 106 neutrons and 8.5 × 1014 ions per shot with average ion energy of 56 keV per ion at pinch exit, generating heat flux of 1.8 × 1014 Wm−2 and damage factor (also called heat flux factor) of 1.6 × 1010 Wm−2s0.5 on a target at pinch exit. Elsevier 2017 Article PeerReviewed Damideh, Vahid* and Lee, S.* and Saw, S. H. and Jalil, Ali and Rawat, R. S. and Lee, P. (2017) Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus. Vacuum, 144. pp. 14-20. ISSN 0042-207X https://doi.org/10.1016/j.vacuum.2017.07.002 https://doi.org/10.1016/j.vacuum.2017.07.002
institution INTI International University
building INTI Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider INTI International University
content_source INTI Institutional Repository
url_provider http://eprints.intimal.edu.my
topic QC Physics
spellingShingle QC Physics
Damideh, Vahid*
Lee, S.*
Saw, S. H.
Jalil, Ali
Rawat, R. S.
Lee, P.
Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus
description In this work, damage results of four 12 mm × 12 mm × 5 mm PLANSEE double forged tungsten target samples exposed in INTI PF device at different distances from anode operating in the fast focus mode at 12 kV, 2.5 Torr deuterium are presented. SEM and EDX images and analysis show the extent of damage on the exposed tungsten surface. Micro-cracks up to 300 nm and 500 nm to 5 μm holes together with signs of melting are found on the tungsten exposed surfaces depending on their distances from the anode top. Current waveforms fitting using Lee Model Code show yields of 3 × 106 neutrons and 8.5 × 1014 ions per shot with average ion energy of 56 keV per ion at pinch exit, generating heat flux of 1.8 × 1014 Wm−2 and damage factor (also called heat flux factor) of 1.6 × 1010 Wm−2s0.5 on a target at pinch exit.
format Article
author Damideh, Vahid*
Lee, S.*
Saw, S. H.
Jalil, Ali
Rawat, R. S.
Lee, P.
author_facet Damideh, Vahid*
Lee, S.*
Saw, S. H.
Jalil, Ali
Rawat, R. S.
Lee, P.
author_sort Damideh, Vahid*
title Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus
title_short Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus
title_full Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus
title_fullStr Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus
title_full_unstemmed Damage Study of Irradiated Tungsten using fast focus mode of a 2.2 kJ plasma focus
title_sort damage study of irradiated tungsten using fast focus mode of a 2.2 kj plasma focus
publisher Elsevier
publishDate 2017
url http://eprints.intimal.edu.my/883/
https://doi.org/10.1016/j.vacuum.2017.07.002
https://doi.org/10.1016/j.vacuum.2017.07.002
_version_ 1644541330534170624
score 13.211869

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