Cracks avoidance with a modified solid tungsten divertor in ASDEX Upgrade

the ASDEX Upgrade Team

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


To clarify the suitability of solid tungsten as plasma facing material, a new divertor, DIV-III, entered in operation in ASDEX Upgrade (AUG) in 2014. Since the first experimental campaign, AUG divertor tiles faced crack issues. Trying to identify the reasoning, a new set of tiles was installed in 2016: many precautions were taken to reduce the stresses possibly causing the cracks. The AUG campaign 2017 started in March and the first results were collected during the short summer opening in 2017. This paper reports on the modification of the tile setup, based on Finite Element Modelling, and on the progress achieved in the first operation phase.

Original languageEnglish
Pages (from-to)1052-1057
Number of pages6
JournalFusion Engineering and Design
StatePublished - Nov 2018


  • ASDEX upgrade
  • Tungsten crack
  • Tungsten divertor
  • Tungsten heavy alloy


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