Thermal desorption spectroscopy of W–Ta alloys, exposed to high-flux deuterium plasma
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Abstract
Paper presents the first results of the measurements of deuterium retention in W-Ta alloys, exposed to high ion flux plasma (regime relevant for fusion reactor divertor). Two grades were investigating, containing 1 and 5 mass percent of tantalum. Retention measurements were performed using the technique of thermal desorption spectroscopy (TDS). Simulations using diffusion code TMAP7 were perfomed, trapping energy of the predominant trapping sites in the investigated alloys was estimated.
Details
| Original language | English |
|---|---|
| Pages (from-to) | 014041-014041 |
| Journal | Physica Scripta |
| Volume | 2011 |
| Issue number | T145 |
| DOIs | |
| Publication status | Published - Dec 2011 |
| Event | PFMC 2011/ FEMaS 2011- 13th International Workshop on Plasma Facing Materials and Components for Fusion Applications and 1st International Conference on Fusion Energy Materials Science - IPP Max-Planck-Instituut, Rosenheim, Germany Duration: 9 May 2011 → 13 May 2011 |
Keywords
- Deuterium, retention, tungsten-tantalum alloy
ID: 359646