Performance Assessment of Thick W/Cu Graded Interlayer for DEMO Divertor Target

Richou, M. and Gallay, F. and Böswirth, B. and Chu, I. and Dose, G. and Greuner, H. and Kermouche, G. and Lenci, M. and Loewenhoff, Th. and Maestracci, R. and Meillot, E. and Missirlian, M. and Pastor Caño, Jose Ignacio and Quet, A. and Roccella, S. and Tejado Garrido, Elena María and Wirtz, M. and Visca, E. and Pintsuk, G. and You, J.H. (2020). Performance Assessment of Thick W/Cu Graded Interlayer for DEMO Divertor Target. "Fusion Engineering and Design", v. 157 ; p. 111610. ISSN 0920-3796. https://doi.org/10.1016/j.fusengdes.2020.111610.

Description

Title: Performance Assessment of Thick W/Cu Graded Interlayer for DEMO Divertor Target
Author/s:
  • Richou, M.
  • Gallay, F.
  • Böswirth, B.
  • Chu, I.
  • Dose, G.
  • Greuner, H.
  • Kermouche, G.
  • Lenci, M.
  • Loewenhoff, Th.
  • Maestracci, R.
  • Meillot, E.
  • Missirlian, M.
  • Pastor Caño, Jose Ignacio
  • Quet, A.
  • Roccella, S.
  • Tejado Garrido, Elena María
  • Wirtz, M.
  • Visca, E.
  • Pintsuk, G.
  • You, J.H.
Item Type: Article
Título de Revista/Publicación: Fusion Engineering and Design
Date: August 2020
ISSN: 0920-3796
Volume: 157
Subjects:
Freetext Keywords: DEMO, Divertor, Plasma-Facing Component, Functional Graded Material, Non-Destructive Examinations
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ciencia de los Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

Full text

[img] PDF - Users in campus UPM only until August 2022 - Requires a PDF viewer, such as GSview, Xpdf or Adobe Acrobat Reader
Download (3MB)

Abstract

The development of a divertor target for DEMO is of great importance, being able to sustain the harsh environment that is imposed on this component. To fulfill the loading requirements, different concepts were developed within the EUROfusion WPDIV project. The baseline concept is based on the ITER divertor target W-monoblock design. It is made of tungsten as armour material, CuCrZr as structural material and Cu-OFHC as compliant layer. One of the proposed alternative concepts aims to minimize the stress at interfaces by replacing the thick copper interlayer by W/Cu functionally graded material (FGM). In this study, the FGM interlayer, with a thickness of 500 μm, is composed of stacked elementary layers with the following three compositions: 25 vol.%W + 75 vol.%Cu, 50 vol.%W + 50 vol.%Cu, 75 vol.%W + 25 vol.%Cu. Several FGM interlayers were studied. In total three monoblock type mock-ups were manufactured. This paper describes the steps needed to manufacture mock-ups and characterization of elementary layers (composition, porosity, Young’s modulus). HHF tests applying up to 1000 cycles at 20 MW/m² and sub-sequent post-mortem examinations were performed to qualify the concept performance.

Funding Projects

TypeCodeAcronymLeaderTitle
Horizon 2020633053EUROfusionMAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EVImplementation of Activities Described in the Roadmap to Fusion during Horizon 2020 through a Joint Programme of the Members of the EUROfusion Consortium

More information

Item ID: 65106
DC Identifier: http://oa.upm.es/65106/
OAI Identifier: oai:oa.upm.es:65106
DOI: 10.1016/j.fusengdes.2020.111610
Official URL: https://doi.org/10.1016/j.fusengdes.2020.111610
Deposited by: Memoria Investigacion
Deposited on: 04 Nov 2020 17:48
Last Modified: 04 Nov 2020 17:48
  • Logo InvestigaM (UPM)
  • Logo GEOUP4
  • Logo Open Access
  • Open Access
  • Logo Sherpa/Romeo
    Check whether the anglo-saxon journal in which you have published an article allows you to also publish it under open access.
  • Logo Dulcinea
    Check whether the spanish journal in which you have published an article allows you to also publish it under open access.
  • Logo de Recolecta
  • Logo del Observatorio I+D+i UPM
  • Logo de OpenCourseWare UPM