Influence of recrystallization on thermal shock resistance of various tungsten grades

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Abstract

Thermal shock resistance of various tungsten grades (different manufacturing technologies and heat treatments) was examined under plasma disruption conditions, especially in the cracking regime, i.e. below the melting threshold. The tests have been simulated with the electron beam test facility JUDITH. The comparison of the thermal shock resistance showed that sintered tungsten appeared to be better than the deformed tungsten material and clear degradation after recrystallization was found. Damage processes linked to the mechanical properties of W are discussed.

Details

Original languageEnglish
Pages (from-to)1099-1103
JournalJournal of Nuclear Materials
Volume363-365
DOIs
Publication statusPublished - May 2007
EventPlasma Surface Interaction (PSI) conference - Hefei, China
Duration: 22 May 200626 May 2006

Keywords

  • tungsten, disruption, thermal shock, divertor, erosion, fusion

ID: 191687