Corrosion mechanisms in molten salt thermal energy storage …
2019年10月1日 · Understanding the corrosion mechanisms of molten salts is critical for design, cost, safety, and long-term performance of TES systems. This paper provides an overview of molten salt corrosion mechanisms and analyses the implications for CSP TES systems.
Alloying effects in high temperature molten salt corrosion
2022年4月1日 · Extensive research has been conducted examining corrosion performance of alloys in molten salts at high homologous temperature, where lattice diffusion kinetics are greatly accelerated. Thus, dealloying has been studied in terms of one-dimensional diffusion from the bulk to the surface and eventual dissolution to the molten salt media ...
Comparative review of different influence factors on molten salt ...
2022年1月1日 · The molten salt corrosion is a crucial influence factor for the system safety operation. Different influence factors such as temperature, impurity, alloy composition, gas atmosphere, nanofluids and flow state on molten salt corrosion are comparatively summarized in …
Mechanistic study of moisture corrosion of FeCr alloys in molten salts ...
2024年6月1日 · Corrosion in molten salts is influenced by a list of factors, including, alloy composition particularly Cr concentration, salt chemistry (fluoride, chloride) and impurity, conditions...
Predicting and understanding corrosion in molten chloride salts
2023年9月25日 · Here, we present an evaluation of corrosion in molten chloride salts using Ellingham diagrams and chloride-oxide stability diagrams, which enable prediction of alloy performance in molten chloride salts and allow corrosion results to be interpreted at a fundamental level.
• Goal #1 – Identify molten salt / material combinations that have long service life and meet performance needs • Goal #2 – Characterize corrosion rates, corrosion
Stress-assisted corrosion behaviour of Hastelloy N in FLiNaK molten …
2022年11月10日 · Oak Ridge National Laboratory (USA) and the Institute of Metal Research, Chinese Academy of Sciences (China) have developed alloy materials that are resistant to molten salt corrosion, such as...
One dimensional wormhole corrosion in metals - Nature
2023年2月22日 · Here we experimentally show and mechanistically explain the origin of a form of highly localized penetrating corrosion in a Ni-20Cr alloy attacked by molten fluoride salt, using a combination...
2024年5月27日 · Corrosion of alloys in molten salts is commonly understood from thermodynamics: the higher the content of noble elements in the alloy, the more corrosion resistant the alloy is expected to be. Here, we present an example in the CrFeMnNi compositionally com-plex space that defies this conventional intuition.
In-Situ Analysis of Corrosion Products in Molten Salt: X-ray …
2023年6月29日 · Understanding and controlling the chemical processes between molten salts and alloys is vital for the safe operation of molten-salt nuclear reactors. Corrosion processes in molten salts are highly dependent on the redox potential of the solution that changes with the presence of fission and corrosion processes, and as such, reactor designers ...