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Development and operation of the Dual-beam ion irradiation facility for FUsion materials (DiFU) at RBI, Zagreb (CROSBI ID 727691)

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Dunatov, Toni ; Tadić, Tonči ; Fazinić, Stjepko ; Jakšić, Milko ; Siketić, Zdravko ; Vićentijević, Milan ; Cosic, Donny Domagoj ; Kolar, Zvonko ; Capor, Matija ; Gracin, Roko et al. Development and operation of the Dual-beam ion irradiation facility for FUsion materials (DiFU) at RBI, Zagreb // 32nd Symposium on Fusion Technologies Dubrovnik, Hrvatska, 18.09.2022-23.09.2022

Podaci o odgovornosti

Dunatov, Toni ; Tadić, Tonči ; Fazinić, Stjepko ; Jakšić, Milko ; Siketić, Zdravko ; Vićentijević, Milan ; Cosic, Donny Domagoj ; Kolar, Zvonko ; Capor, Matija ; Gracin, Roko ; Hardie, Chris

engleski

Development and operation of the Dual-beam ion irradiation facility for FUsion materials (DiFU) at RBI, Zagreb

It is known that ion beam irradiation can be used to emulate neutron irradiation effects in reactors if care is taken with the experimental parameters. For fusion materials applications dual ion beam facilities are particularly useful due to their ability to simultaneously reproduce the combined effects of radiation damage and helium or hydrogen formation. We present the Dual-beam ion irradiation facility for FUsion materials (DiFU) developed at Ruđer Bošković Institute, along with operational practices for experiments. It allows irradiation of fusion materials samples by one or two ion beams. The versatile design can also be used for other implantation and irradiation applications. Significant care is dedicated to control of the dose and dose rate. Ion beam handling systems enable controlling the shape of the beam spot and short range scanning is used to homogenize the dose. Fast electrostatic scanners operate in the kHz range. Ion fluxes are measured by periodic insertion of two large Faraday cups in the path of the ion beam and the beam is also monitored continuously by two sets of XY slits which restrict the beam area. Conditions during irradiation are monitored by a set of thermocouples, an IR camera, a high-sensitive video-camera, and a residual gas analyser. Gas analysis is always used along with a cold trap and plasma cleaning to control the issue of carbon contamination. The DiFU facility has been developed according to ASTM standard E521-16 with support from EUROfusion, the IAEA and the Croatian Ministry for Science and Education. Currently, ion irradiation offers a simpler and cheaper alternative to irradiation in research reactors. In the future of fusion materials research, IFMIF- DONES is expected to provide a realistic fusion neutron source, facilities such as DiFU are then envisioned to have a supporting role in fast pre- selection of materials before more detailed characterization.

fusion materials ; dual-beam ion irradiation ; radiation damage

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Podaci o prilogu

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Podaci o skupu

32nd Symposium on Fusion Technologies

predavanje

18.09.2022-23.09.2022

Dubrovnik, Hrvatska

Povezanost rada

Fizika