Martina Fellinger, Institute of Applied Physics, TU Wien

09. January 2024, 16:00 until 17:00

Martina Fellinger, Institute of Applied Physics, TU Wien

Seminar

Retention of fusion fuel in first wall materials: Influence of re-deposited tungsten on retention in Eurofer97 films

The performance and the efficiency of nuclear fusion reactors are strongly influenced by retention of fusion fuel within the surrounding walls. Retention in these so-called plasma facing components (PFC) therefore needs to be investigated and quantified. Two promising material candidates for PFCs are W and a low activation steel alloy, Eurofer97. We investigated the influence of re-deposited W on Eurofer97 layers on the retention of D inside the material. Comparable temperature desorption spectroscopy (TDS) experiments were performed for cases with and without re-deposited W. Quantification was achieved by using Ion Beam Analysis (IBA) techniques. Results show that re-deposited W functions as an outgassing barrier for D retained in the Eurofer97 layer below.

Calendar entry

Event location

SEM.R. DB gelb 05 B
1040 Wien
Wiedner Hauptstraße 8-10/E134

Organiser

IAP
Manuela Marik
marik@iap.tuwien.ac.at

Public

Yes

Entrance fee

Registration required

July

2024

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