High temperature stresses in brazed Glidcop/W model structures of interest for ITER divertor technology

C. Braham, R. Coppola, C. Nardi, M. Valli

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3 Citations (Scopus)

Abstract

This contribution presents the results of an experimental study on high temperature stress evolution in brazed Glidcop/W model structures. The investigated sample (23 mm × 23 mm × 8 mm in volume) had been obtained by brazing a W alloy and a Glidcop (Cu alloy) platelet at 650 °C using TiCuAg alloy as a filler. Neutron diffraction was utilized to determine the strains, then the stresses in the bulk of the sample, between room temperature and 300 °C; unstrained Glidcop and W reference samples were measured as well in the same temperature range. The measurements were carried out at the D1A diffractometer of the High Flux Reactor at the Institut Laue Langevin, Grenoble. It is found that the residual stresses present at room temperature in the as-brazed sample vanish almost completely at 300 °C that provides relevant engineering information such as the zero strain temperature. © 2005 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)391 - 394
Number of pages4
JournalFusion Engineering and Design
Volume75-79
Issue numberSUPPL.
DOIs
Publication statusPublished - Nov 2005
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

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