Design finalization and material qualification towards procurement of the ITER vacuum vessel

Ioki, K.; Barabash, V.; Bachmann, C.; Chappuis, P.; Choi, Changhwan; Cordier, J.J.; Giraud, B.; Gribov, Y.; Heitzenroeder, P.; Her, N.I.; Johnson, G.; Jones, L.; Jun, Chang; Kim, B.C.; Kuzmin, E.; Loesser, D.; Martín, A.; Merola, M.; Pathak, H.A.; Readman, P. W.; Sugihara, M.; Terasawa, A.; Utin, Y.; Wang, Suhao; Wu, Shan; Yu, Jie

doi:10.1016/j.jnucmat.2010.12.288

Cited by 13 publications

(6 citation statements)

References 2 publications

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“…As per the material fabrication requirements and guidelines for the qualified materials, thick copper (Cu) coatings (∼3 mm) are recommended to protect the PFC materials [3,4]. In spite of all the recent advancements, the development of thick copper coatings (∼3 mm) on SS substrate materials is still a challenging task and various options have been investigated for the past few decades in this direction [2,3]. Singh et al [7] have tried laser-cladding to develop these copper coatings.…”

Section: Introductionmentioning

confidence: 99%

Microstructural investigations on bonding mechanisms of cold-sprayed copper with SS316L steel

Singh

Buddu

2019

Surface Engineering

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The purpose of the study was to understand the adhesion mechanism between cold-sprayed copper and SS316L steel substrate. Coatings of 3-mm thickness were deposited by coldspraying on steel substrates prepared with different roughness values. To understand the bonding mechanism of the coating with substrates, scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS) analyses were done on interfacial surfaces; exposed after the adhesion testing. Additionally, cross-sectional as-well-as top surface deformation behaviour of single copper particles deposited on steel substrates was investigated by using SEM/EDS, to elucidate the mechanism behind bonding. The results of the study validated that the adhesion is governed by both metallurgical bonding, as-well-as, mechanical interlocking, owing to the jetting formation. The mirror-polished surface resulted in a better adhesion strength as compared to the as-received and semi-polished surfaces, which was further validated by ultrasonic testing. Also, smaller-sized particles were found to be favourable for good adhesion strength.

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Section: Introductionmentioning

confidence: 99%

Microstructural investigations on bonding mechanisms of cold-sprayed copper with SS316L steel

Singh

Buddu

2019

Surface Engineering

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“…The UPs are designed as an integral part of the ITER VV providing access to the inside of the VV for installation and maintenance of the in-vessel components, plasma heating systems, diagnostics, blanket and first wall manifolds, and water flows for VV cooling and baking [9][10][11]. The UPs are double-wall welded structures made of austenitic stainless steel type 316L(N)-IG.…”

Section: Ups Of the Iter Vvmentioning

confidence: 99%

Progress with the ITER project activity in Russia

Krasilnikov¹,

Abdyuhanov

Aleksandrov³

et al. 2015

Nucl. Fusion

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Due to the development of the ITER project, the requirements of the technical parameters of the ITER systems were more precisely and practically determined to be at higher levels. The essential increase of the ITER system characteristics happened recently. A number of prototypes were manufactured and tests were carried out. The results of the development and manufacture of 25 ITER systems, subject to the Russian Federation's obligations in the ITER project, are described.

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“…The VV construction consists of three main components: the main vessel, the port structures and the VV supporting system [1,2]. The port structures include the full-size ports at the upper, equatorial and lower levels of the machine and additional local penetrations at the lower level [3,4].…”

Section: Description Of the Vv Upper Portsmentioning

confidence: 99%

“…The upper and regular equatorial ports are occupied by the port plugs. Similar to the main vessel, the ports are also all-welded structures made of austenitic stainless steel type 316L(N)-IG [1]. The main function of the vessel and ports is to provide the primary vacuum and the safety boundary of the ITER machine.…”

Section: Introductionmentioning

confidence: 99%