Neutron diffraction stress determination in W-laminates for structural divertor applications
Neutron diffraction measurements have been carried out to develop a non-destructive experimental tool for characterizing the crystallographic structure and the internal stress field in W foil laminates for structural divertor applications in future fusion reactors. The model sample selected for this study had been prepared by brazing, at 1085 °C, 13 W foils with 12 Cu foils. A complete strain distribution measurement through the brazed multilayered specimen and determination of the corresponding stresses has been obtained, assuming zero stress in the through-thickness direction. The average st... Mehr ...
| Verfasser: | |
|---|---|
| Dokumenttyp: | Artikel |
| Erscheinungsdatum: | 2015 |
| Schlagwörter: | H2020 / Netherlands Organisation for Scientific Research (NWO) / EC / European Commission / Energy Research / COFUND (European Joint Programme) / Nuclear Energy and Engineering / Materials Science (miscellaneous) / Nuclear and High Energy Physics |
| Sprache: | Englisch |
| Permalink: | https://search.fid-benelux.de/Record/base-29181459 |
| Datenquelle: | BASE; Originalkatalog |
| Powered By: | BASE |
| Link(s) : | https://www.openaccessrepository.it/record/86761 |
Neutron diffraction measurements have been carried out to develop a non-destructive experimental tool for characterizing the crystallographic structure and the internal stress field in W foil laminates for structural divertor applications in future fusion reactors. The model sample selected for this study had been prepared by brazing, at 1085 °C, 13 W foils with 12 Cu foils. A complete strain distribution measurement through the brazed multilayered specimen and determination of the corresponding stresses has been obtained, assuming zero stress in the through-thickness direction. The average stress determined from the technique across the specimen (over both 'phases' of W and Cu) is close to zero at -17 ± 32 MPa, in accordance with the expectations. © 2015 The Authors.