par D'Ans, Pierre 
;Courbon, E.;Frère, M.;Descy, G.;Segato, Tiriana ;Degrez, Marc
Référence Corrosion science, 138, page (275-283)
Publication Publié, 2018-07
;Courbon, E.;Frère, M.;Descy, G.;Segato, Tiriana ;Degrez, Marc Référence Corrosion science, 138, page (275-283)
Publication Publié, 2018-07
Article révisé par les pairs
| Résumé : | Thermochemical heat storage exploits thermal solar energy to produce sustainable residential heating, obtained by exothermal reaction between bromides and water vapour. A protocol to test the corrosion of surrounding materials is discussed in the case of SrBr2 contacting copper or steel. Corrosion depth >1 mm y−1 is found for steel in conditions where the salt remains mostly solid, due to a reaction between SrBr2 and atmospheric CO2 that produces HBr. Temperature and the dissolution of the salt (deliquescence) also play a key role. Potentiodynamic tests, the limitations of which are discussed, corroborate the salt degradation in the case of steel. |
